TDK Dualeta iQA Series User's Manual
Contents
1. 0 25 30 35 40 45 50 55 60 65 70 75 Input Voltage V B 2ps 20 0 T 2 ps 28 00 AUTO e lo1 lo2 0A s lol lo2 3 75A lo1 lo2 7 5A Typical Output Ripple at nominal Input voltage and full Typical Input Current vs Input Voltage Characteristics balanced load currents at Ta 25 degrees 2002 2005 TDK Innoveta Inc ER iQAFullDatasheet080505 2 doc 8 3 2006 ee TDK Advance Data Sheet Dualeta iQA Series Dual Quarter Brick Electrical Characteristics continued iQA48015A050M 5V 3 3V 15A Output Output Vo1 V 25 30 35 40 45 50 55 60 65 70 75 Input Voltage V e lo1 lo2 0A lo1 lo2 3 75A a lo1 lo2 7 5A Output Vo2 V 25 30 35 40 45 50 55 60 65 70 75 Input Voltage V lo1 lo2 0A s lo1 lo2 3 75A a lo1 2 7 5A Typical Vo1 Output Voltage vs Input Voltage Characteristics Typical Vo2 Output Voltage vs Input Voltage Characteristics Trim up independent trim Vout V 5 25 Trim from 5 nominal Vo Rup kQ 194 Rup1 is connected between Trim1 and Vout1 Vout2 V 4 0 Trim from nominal Vo Rup2 KQ Rup2 is connected between Trim2 and Vout2 3 01Vonom 102. Isolation Voltage Input to Output Input to Baseplate Output to Baseplate Basic insulation Basic insulation Operational insulation Storage Temperature Operating Temperature Range Tc Maximum baseplate temperature Engineering estimate Input Characteristics Unless otherwise specified specifications apply over all Rated Input Voltage Resistive Load and Temperature conditions Characteristic Min Typ Max Unit Notes amp Conditions Operating Input Voltage 48 75 Vdc Maximum Input Current A Vin 0 to Vin max Turn on Voltage 34 Vdc Turn off Voltage 32 Vdc Hysteresis 2 Vdc Vo 0 to 0 1 Vo nom On Off on Startup Delay Time from application of input voltage 12 mS lo lo max Tc 25 C Vo 0 to 0 1 Vo nom Vin Vi nom lo lo max Tc 25 C lo lo max Tc 25 C Vo 0 1 to 0 9 Vo nom Startup Delay Time from on off 10 mS Output Voltage Rise Time mS Inrush Transient A s See input output ripple measurement figure BW 5 MHz Input Ripple Rejection 120Hz Engineering Estimate Input Reflected Ripple Caution The power modules are not internally fused An external input line normal blow fuse with a maximum value of 10A is required see the Safety Considerations section of the data sheet 2002 2005 TDK Innoveta Inc SS iQAFullDatasheet080505 2 doc 8 3 2006 ee i TDK Advance Data Sheet Dualeta iQA
3. Improper handling or cleaning processes can adversely affect the appearance testability and reliability of the power modules Contact Innoveta technical support for guidance regarding proper handling cleaning and soldering of TDK Innoveta s power modules TDK Innoveta s product development process incorporates advanced quality planning tools such as FMEA and Cpk analysis to ensure designs are robust and reliable All products are assembled at ISO certified assembly plants Warranty TDK Innoveta s comprehensive line of power solutions includes efficient high density DC DC converters TDK Innoveta offers a three year limited warranty Complete warranty information is listed on our web site or is available upon request from TDK Innoveta 2002 2005 TDK Innoveta Inc iQAFullDatasheet080505 2 doc 8 3 2006 amp 877 498 0099 Advance Data Sheet Dualeta iQA Series Dual Quarter Brick Safety Considerations For safety agency approval of the system in which the DC DC power module is installed the power module must be installed in compliance with the creepage and clearance requirements of the safety agency The isolation is basic insulation For applications requiring basic insulation care must be taken to maintain minimum creepage and clearance distances when routing traces near the power module As part of the production process the power modules are hi pot tested from primary and secondary at a test voltage of 1500Vdc
4. Series Dual Quarter Brick Electrical Data iQA48015A033M 3 3V 2 5V 15A Output Characteristic Output Voltage Initial Setpoint Vout1 Vout2 Notes amp Conditions Vin Vin nom lo lo max Tc 25 C Output Voltage Tolerance Vout1 Vout2 Over all rated input voltage load and temperature conditions to end of life Efficiency Vin Vin nom lo1 7 5A lo2 7 5A Tc 25 C Line Regulation Vin Vin min to Vin max Load Regulation lo lo min to lo max Temperature Regulation Tc Tc min to Tc max Output Current Sum of output currents loi lo2 Output Current Limiting Threshold Vo1 0 9 Vo nom Tc lt Tc max Short Circuit Current Vo 0 25V Tc 25 C average output current in current limit hiccup mode Output Ripple and Noise Voltage Vout1 Vout2 Vout1 Vout2 Measured with 47uF Tantalum and 1uF ceramic external capacitance see input output ripple measurement figure BW 20MHz Output Voltage Adjustment Range Tracking trim option Vout nom Vout nom Dynamic Response Recovery Time Transient Voltage mS mV di dt 0 1A uS Vin Vin nom load step from 50 to 75 of lo max either output Output Voltage Overshoot during startup Vout1 Vout2 lo lo max Tc 25 C Switching Frequency Output Over Voltage Protection Tracking trim option Vo1 Vo2 4 0 V V External Load Capacitance 5000 amp uF Isolation
5. To preserve maximum flexibility the power modules are not internally fused An external input line normal blow fuse with a maximum value of 15A is required by safety agencies A lower value fuse can be selected based upon the maximum dc input current and maximum inrush energy of the power module When the supply to the DC DC converter is less than 60Vdc the power module meets all of the requirements for SELV If the input voltage is a hazardous voltage that exceeds 60Vdc the output can be considered SELV only if the following conditions are met 1 The input source is isolated from the ac mains by reinforced insulation 2 The input terminal pins are not accessible 3 One pole of the input and one pole of the output are grounded or both are kept floating 4 Single fault testing is performed on the end system to ensure that under a single fault hazardous voltages do not appear at the module output iT DIK 3320 Matrix Drive Suite 100 Richardson Texas 75082 No license is granted by implication or otherwise under any patent or patent rights of TDK Innoveta TDK Innoveta Information furnished by TDK Innoveta is believed to be accurate and reliable However TDK Innoveta assumes no responsibility for its use nor for any infringement of patents or other rights of third parties which may result from its use components are not designed to be used in applications such as life support systems wherein failure or malfunction Phone 877 4
6. protect the module during output overload and short circuit conditions During overload conditions the power modules may protect themselves by entering a hiccup current limit mode The modules will operate normally once the output current returns to the specified operating range There is a typical delay of 100mS from the time an overload condition appears at the module output until the hiccup mode will occur Output Over Voltage Protection The power modules have a control circuit independent of the primary control loop that reduces the risk of over voltage appearing at the output of the power module during a fault condition If there is a fault in the primary regulation loop the over voltage protection circuitry will cause the power module to enter a hiccup over voltage mode once it detects that the output voltage has reached the level indicated in the Electrical Data section for the power module of interest When the condition causing the over voltage is corrected the module will operate normally Thermal Protection When the power module exceeds the maximum operating temperature the module may turn off to safeguard the power unit against thermal damage The module will auto restart as the unit is cooled below the over temperature threshold 2002 2005 TDK Innoveta Inc iQAFullDatasheet080505 2 doc 8 3 2006 amp 877 498 0099 TDK Advance Data Sheet Dualeta iQA Series Dual Quarter Brick Remote On Off T
7. rated power of the module As the output voltage is trimmed the output over voltage set point is not adjusted Trimming the output voltage too high may cause the output over voltage protection circuit to be triggered Optional Tracking Trim Rdown Vo2 nom lt 2V Rdown Vo2 nom gt 2V Circuit to decrease output voltage With a resistor between the trim and Vo2 terminals the output voltage is adjusted down For models where the nominal set point of Vo2 is lt 2V the resistor is instead tied from trim to Vo1 Refer to the resistor selection tables in the Electrical Characteristics section for trim adjustment The current limit set point does not increase as the module is trimmed down so the available output power is reduced Vol Vo2 Circuit to increase output voltage With a resistor between the Trim and RTN terminals the output voltage is adjusted up Refer to the resistor selection tables in the Electrical Characteristics section for trim adjustment The maximum power available from the power module is fixed As the output voltage is trimmed up the maximum output current must be decreased to maintain the maximum rated power of the module As the output voltage is trimmed the output over voltage set point is not adjusted Trimming the output voltage too high may cause the output over voltage protection circuit to be triggered EMC Considerations Innoveta power modules are designed for us
8. 0 Vo 301 4 01 Vo Rup A 1000 1 225 Vo Vo Trim down independent trim Vout V Trim from nominal Vo Rdown1 kQ Rdown1 is connected between Trim1 and RTN Vout2 V Trim from nominal Vo Rdown2 kQ Rdown2 is connected between Trim2 and RTN 301 4 01 Vo Rdown 1000 Vo Trim up resistor values for output voltage adjustment standard wide trim version Trim down resistor values for output voltage adjustment standard wide trim version Trim up tracking trim option Trim from nominal Rup kQ Rup is connected between Trim and Trim down tracking trim option Trim from 2 nominal Rdown kQ 30 Rdown is connected between Trim and Vout2 Trim resistor values for output voltage adjustment tracking trim option 2002 2005 TDK Innoveta Inc iQAFullDatasheet080505 2 doc 8 3 2006 amp 877 498 0099 Thermal Performance iQA48015A050M 5V 3 3V 15A Output N l01 A l02 0A lo lo1 l02 A lo1 lo2 20 30 40 50 60 70 80 90 100 20 30 40 50 60 70 80 Ambient Temperature C Ambient Temperature C NC 60lfm 100 LFM_ 200 LFM e NC 60lfm 100
9. 006 Two trim configurations are offered on the iQA series The standard Dual Independent Trim offers wide range independent adjustment of either output using two trim pins The optional Single Tracking Trim adjusts both outputs together by 10 according to industry standard resistor tables Only a single trim pin is provided Dual independent Trim Vol Vo2 Trim2 Trim1 Rdown2 Circuit to decrease output voltage With a resistor between the trim and RTN terminals the output voltage is adjusted down To adjust the output voltage down a percentage of Vout Vo from Vo nom the trim resistor should be chosen according to the following equation 301 4 01 Vo 1000 Vo Rdown The current limit set point does not increase as the module is trimmed down so the available output power is reduced Circuit to increase output voltage 28 877 498 0099 TDK Advance Data Sheet Dualeta iQA Series Dual Quarter Brick With a resistor between the trim and Vo terminals the output voltage is adjusted up To adjust the output voltage up a percentage of Vout Vo from Vo nom the trim resistor should be chosen according to the following equation 1 225 Vo Vo 3 01 Vonom 100 Vo 301 4 01 Vo Sine ee ee St A OO ton The maximum power available from the power module is fixed As the output voltage is trimmed up the maximum output current must be decreased to maintain the maximum
10. 2 3 75A a b1 102 7 5A e lo1 lo2 0A s lol lo2 3 75A a lo1 lo2 7 5A Typical Vo1 Output Voltage vs Input Voltage Typical Vo2 Output Voltage vs Input Voltage Characteristics Characteristics Trim up tracking trim option Trim from nominal Rup kQ Rup is connected between Trim and Trim down tracking trim option Trim from 2 nominal Rdown kQ 25 Rdown is connected between Trim and Vout2 Trim resistor values for output voltage adjustment tracking trim option 2002 2005 TDK Innoveta Inc ER iQAFullDatasheet080505 2 doc 8 3 2006 ee i TDK Advance Data Sheet Dualeta iQA Series Dual Quarter Brick Electrical Data iQA48015A050M 5V 3 3V 15A Output Characteristic Output Voltage Initial Setpoint Vout1 Vout2 Min Unit Vdc Vdc Notes amp Conditions Vin Vin nom lo lo max Tc 25 C Output Voltage Tolerance Vout1 Vout2 Vdc Vdc Over all rated input voltage load and temperature conditions to end of life Efficiency Vin Vin nom lo1 7 5A lo2 7 5A Tc 25 C Line Regulation mV Vin Vin min to Vin max Load Regulation mV lo lo min to lo max Temperature Regulation mV Tc Tc min to Tc max Output Current A Sum of output currents lo1 lo2 Output Current Limiting Threshold Vo1 0 9 Vo no
11. 2 13 14 15 16 17 18 19 20 Output Current lo1 A lo2 0A Output Current lo2 A lo1 0A e Vin 36V E Vin 48V t Vin 75V e Vin 36V E Vin 48V k Vin 75V Typical Output 1 Current Limit Characteristics vs Input Typical Output 2 Current Limit Characteristics vs Input Voltage at Ta 25 degrees Voltage at Ta 25 degrees 1 8 1 6 1 4 1 2 1 0 8 0 6 0 4 0 2 0 Input Current A 25 30 35 40 45 50 55 60 65 70 75 Input Voltage V e lo1 lo2 0A lot lo2 3 75A a lo1 102 7 5A 1 2ps 200m 2 ps 20 0mv AUTO Typical Output Ripple at nominal Input voltage and full Typical Input Current vs Input Voltage Characteristics balanced load currents at Ta 25 degrees 2002 2005 TDK Innoveta Inc PN iQAFullDatasheet080505 2 doc 8 3 2006 E EIU EUS i TDK Advance Data Sheet Dualeta iQA Series Dual Quarter Brick Electrical Characteristics continued iQA48015A033M 3 3V 2 5V 15A Output Output Vo1 V Output Vo2 V 0 25 30 35 40 45 50 55 60 65 70 75 25 30 35 40 45 50 55 60 65 70 75 Input Voltage V Input Voltage V e lo1 b2 0A lol b
12. 20 30 40 50 60 70 80 90 Output Current Full Load l01 l02 Oo 10 Vin 36V s Vin 48V a Vin 75V Power Dissipation W O 10 20 30 40 50 60 70 80 90 Output Current Full Load lo1 lo2 Vin 36V Vin 48V Vin 75V Typical Efficiency vs Input Voltage at Ta 25 C Typical Power Dissipation vs Input Voltage at Ta 25 C m E a 5 01 PTT 5 b gt o D iv o gt m Ss 2 Ez Ej 012 3 4 5 6 7 8 9 10 11 12 13 14 15 Output Current lo1 A lo2 0A be w a a 3 31 EET re 3 3 01 Output Voltage Vo2 V 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Output Current lo2 A lo1 0A Typical Output 1 Voltage vs Load Current at Ta 25 C Typical Output 2 Voltage vs Load Current at Ta 25 C 1 28 ms 2 00 V f 20 ms 2 00 V 3 20 ms 5 0 V NORMAL 1 20 ms 2 00 V 2 20 ms 2 00 V j 20 ms 20 0 V NORMAL Typical startup characteristic from On Off application at full load CH3 On Off CH1 Vo1 CH2 Vo2 2002 2005 TDK Innoveta Inc iQAFullDatasheet080505 2 doc 8 3 2006 Typical startup characteristic from input
13. 98 0099 Toll Free could result in injury or death All sales are subject to TDK Innoveta s Terms and Conditions of Sale which are available 469 91 6 4747 upon request Specifications are subject to change without notice Fax 877 498 0143 Toll Free Gupport tdkinnoveta com TDK is a trademark or registered trademark of TDK Corporation tip www tdkinnoveta com 7007 a WD Si TOE Om aren 28 877 498 0099 iQAFullDatasheet080505_2 doc 8 3 2006 Revision 2 0
14. Capacitance pF Isolation Resistance 10 MQ Engineering Estimate amp Contact Innoveta for applications that require additional capacitance or very low ESR capacitor banks 2002 2005 TDK Innoveta Inc iQAFullDatasheet080505 2 doc 8 3 2006 amp 877 498 0099 iT DK Advance Data Sheet Dualeta iQA Series Dual Quarter Brick Electrical Characteristics iQA48015A033M 3 3V 2 5V 15A Output N 88 86 84 82 80 78 76 74 72 70 oO co a Efficiency N Power Dissipation W D 20 40 60 80 20 40 60 80 Output Current full load l01 l02 Output Current full load lo1 lo2 e Vin 36V s Vin 48V a Vin 75V e Vin 36V s Vin 48V a Vin 75V Typical Efficiency vs Input Voltage at Ta 25 C Typical Power Dissipation vs Input Voltage at Ta 25 C 3 305 7 7 2 505 2 5 2 495 manana AR t 2 49 s d gt v D 8 o gt a Z e Output Voltage Vo2 V 0123 4 5 6 7 8 9 10 11 12 13 14 15 012 3 45 6 7 8 9 1011 12 13 14 15 Output Current lo1 A lo2 0A Output Current lo2 A lo1 0A Typical Output 1 Voltage vs Load Current at T
15. LFM 200 LFM 300 LFM 400LFM e 600 LFM 300LFM e 400LFM e 600LFM Maximum balanced load lo1 lo2 output current vs Maximum lo1 output current lo2 0 vs ambient ambient temperature at nominal input voltage for airflow temperature at nominal input voltage for airflow rates rates natural convection 60Ifm to 600Ifm with airflow from natural convection 60lfm to 400Ifm with air flow from pin 3 pin 3 to pin 1 to pin 1 16 14 N k ak lo2 A l01 0A O N A Q OC 20 30 40 50 60 70 80 90 Ambient Temperature C NC 60ifm 100 LFM t 200 LFM 300 LFM e 400LFM _ 600 LFM Maximum lo2 output current lo1 0 vs ambient temperature at nominal input voltage for airflow rates natural convection 60lfm to 400Ifm with air flow from pin 3 to pin 1 The thermal curves provided and the example given above are based upon measurements made in Innoveta s experimental test setup that is described in the Thermal Management section Due to the large number of variables in system design Innoveta recommends that the user verify the module s thermal performance in the end application 2002 2005 TDK Innoveta Inc iQAFullDatasheet080505 2 doc 8 3 2006 amp 877 498 0099 TDK Advance Data Sheet Dualeta iQA Series Dual Quarter Brick Ther
16. a 25 C Typical Output 2 Voltage vs Load Current at Ta 25 C 1 20 ms 1 00 V 2 20 ms 1 00 V 20 ms 5 0 v NORMAL 20 ms 1 00 V 2 20 ms 1 00 V 3 20 ms 20 0 V NORMAL Typical startup characteristic from On Off application at full load Typical startup characteristic from input voltage application at full CH3 On Off CH1 Vo1 CH2 Vo2 load CH3 Vin CH1 Vo1 CH2 Vo2 2002 2005 TDK Innoveta Inc PN iQAFullDatasheet080505 2 doc 8 3 2006 E ETU EUS Advance Data Sheet Dualeta iQA Series Dual Quarter Brick Electrical Characteristics continued iIQA48015A033M 3 3V 2 5V 15A Output aan i ms 100mv 4 1 ms 5 0A a 108mV 2 1 ms 100m v 4 1 ms 5 0 A Typical Vo1 load transient response lo1 step from 3 75A Typical Vo2 load transient response lo2 step from 3 75A to 7 5A with 0 1A uS lo2 7 5A CH1 Vo1 CH2 Vo2 to 7 5A with 0 1A uS lo1 7 5A CH1 Vo1 CH2 Vo2 CH4 lo1 CH4 l02 3 4 7 7 2 6 N a a ca w a N P a N o o gt gt o v D D 33 25 o o gt gt 5 gt Qa Qa 2 2 Ej 3 N 3 2 10 11 12 13 14 15 16 17 18 19 20 10 11 1
17. e in a wide variety of systems and applications For assistance with designing for EMC compliance please contact Innoveta technical support Input Impedance The source impedance of the power feeding the DC DC converter module will interact with the DC DC converter To minimize the interaction a 10 100uF input electrolytic capacitor should be present if the source inductance is greater than 4uH 2002 2005 TDK Innoveta Inc iQAFullDatasheet080505 2 doc 8 3 2006 amp 877 498 0099 i TDK Advance Data Sheet Dualeta iQA Series Dual Quarter Brick Input Output Ripple and Noise Measurements Battery 33uF Vinput Voutput esr lt 0 7 100KHz Ground Plane The input reflected ripple is measured with a current probe and oscilloscope The ripple current is the current through the 12uH inductor The output ripple measurement is made approximately 9 cm 3 5 in from the power module using an oscilloscope and BNC socket The capacitor Cext is located about 5 cm 2 in from the power module its value varies from code to code and is found on the electrical data page for the power module of interest under the ripple amp noise voltage specification in the Notes amp Conditions column Reliability The power modules are designed using TDK Innoveta s stringent design guidelines for component derating product qualification and design reviews Early failures are screened out by both burn in and an automated final test
18. he power modules have an internal remote On Off circuit The user must supply an open collector or compatible switch between the Vin pin and the On Off pin The maximum voltage generated by the power module at the on off terminal is 15V The maximum allowable leakage current of the switch is 50uA The switch must be capable of maintaining a low signal Von off lt 1 2V while sinking 1mA The standard on off logic is positive logic The power module will turn on if the On Off is left open and will be off if the On Off is connected to Vin If the positive logic circuit is not being used the On Off should be left open An optional negative logic is available The power module will turn on if the On Off terminal is connected to Vin and it will be off if the On Off is left open If the negative logic feature is not being used On Off should be shorted to Vin On Off Circuit for positive or negative logic Output Voltage Adjustment The output voltages of the power module may be adjusted by using an external resistor connected between the Trim terminal and either the Vo or RTN terminal If the output voltage adjustment feature is not used the Trim pin s should be left open Care should be taken to avoid injecting noise into the power module s trim pin A small 0 01uF capacitor between the power module s trim pin and RTN pin may help avoid this 2002 2005 TDK Innoveta Inc iQAFullDatasheet080505 2 doc 8 3 2
19. i TDK Data Sheet Dualeta iQA Series Dual Quarter Brick Dualeta iQA Series DC DC Power Modules 48V Input 15A Output Dual Output Quarter Brick The Dualeta Family is a 75W family of highly versatile independently regulated dual output quarter brick power modules with output voltage tracking Its output current loading scheme is fully flexible 0 to 15A can be drawn from either output with no minimum load requirements An ultra wide range independent output trim allows the realization of dual output voltage combinations between 1 5 and 5 5V The superior versatility of the Dualeta family substantially reduces the quantity of distinct part numbers in the end user part portfolio lowering cost of ownership Features Standard Dual Quarter Brick format Monotonic tracking start up A single module which can support Starts with pre biased outputs all your dual voltage requirements High reliability open frame surface between 1 5V and 5 5V mount construction Two output trim options Baseplate for improved thermal o Standard Dual Trim wide range management independent adjustment of either UL 60950 US and Canada VDE 0805 output using two trim pins CB scheme IEC950 Optional Single Tracking Trim Patented Technology adjust both outputs together by 10 according to industry standard Options Peel Or fablas e Optional Single Tracking Trim using Independently regulated tight industry standard resistor tables tolerance
20. improved thermal performance more power can be delivered at a given environmental condition Standard heatsink kits are available from Innoveta Technologies for vertical module mounting in two different orientations longitudinal perpendicular to the direction of the pins and transverse parallel to the direction of the pins as shown in the heatsink Offering section The heatsink kit contains four M3 x 0 5 steel mounting screws and a precut thermal interface pad for improved thermal resistance between the power module and the heatsink The screws should be installed using a torque limiting driver set between 0 35 0 55 Nm 3 5 in Ibs During heatsink assembly the base plate to heatsink interface must be carefully managed A thermal pad may be required to reduce mechanical assembly related stresses and improve the thermal connection Please contact Innoveta Engineering for recommendations on this subject The system designer must use an accurate estimate or actual measure of the internal airflow rate and temperature when doing the heatsink thermal analysis For each application a review of the heatsink fin orientation should be completed to verify proper fin alignment with airflow direction to maximize the heatsink effectiveness For Innoveta standard heatsinks contact Innoveta Technologies for latest performance data Operating Information Over Current Protection The power modules have current limit protection to
21. in similar environments and utilize vertically mounted PCBs or circuit cards in cabinet racks The power module as shown in the figure is mounted on a printed circuit board PCB and is vertically oriented within the wind tunnel The cross section of the airflow passage is rectangular The spacing between the top of the module or heatsink where applicable and a parallel facing PCB is kept at a constant 0 5 in The power module orientation with respect to the airflow direction can have a significant impact on the module s thermal performance Thermal Derating For proper application of the power module in a given thermal environment output current derating curves are provided as a design guideline in the Adjacent PCB Module y Centerline AAAA 7680 AIRFLOW A R F L o w 4 Air Velocity and Ambient Temperature Measurement Location Air Passage Centerline Wind Tunnel Test Setup Dimensions are in millimeters and inches Thermal Performance section The module temperature should be measured in the final system configuration to ensure proper thermal management of the power module In all conditions the power module should be operated below the maximum operating temperature shown on the de rating curve For improved design margins and enhanced system reliability the power module may be operated at temperatures below the maximum rated operating temperature Heat transfer by c
22. m Tc lt Tc max Short Circuit Current Vo 0 25V Tc 25 C average output current in current limit hiccup mode Output Ripple and Noise Voltage Vout1 Vout2 Vout1 Vout2 Measured with 47uF Tantalum and 1uF ceramic external capacitance see input output ripple measurement figure BW 20MHz Output Voltage Adjustment Range Dual independent trim standard Tracking trim option Vdc Vout nom Vout2 lt Vo1 0 3V Either output Vout nom Dynamic Response Recovery Time Transient Voltage mS mV di dt 0 1A uS Vin Vin nom load step from 50 to 75 of lo max either output Output Voltage Overshoot during startup Vout1 Vout2 lo lo max Tc 25 C Switching Frequency Output Over Voltage Protection Dual independent trim standard Vo1 Vo2 Tracking trim option Vo1 Vo2 6 7 7 5 5 2 External Load Capacitance 5000 amp Isolation Capacitance Isolation Resistance 10 Engineering Estimate amp Contact TDK Innoveta for applications that require additional capacitance or very low ESR capacitor banks 2002 2005 TDK Innoveta Inc iQAFullDatasheet080505 2 doc 8 3 2006 amp 877 498 0099 TDK Advance Data Sheet Dualeta iQA Series Dual Quarter Brick Electrical Characteristics QA48015A050M 5V 3 3V 15A Output Efficiency 4
23. mal Management An important part of the overall system design process is thermal management thermal design must be considered at all levels to ensure good reliability and lifetime of the final system Superior thermal design and ability to operate in severe application environments are key elements of a robust reliable power module A finite amount of heat must be dissipated from the power module to the surrounding environment This heat is transferred by the three modes of heat transfer convection conduction and radiation While all three modes of heat transfer are present in every application convection is the dominant mode of heat transfer in most applications However to ensure adequate cooling and proper operation all three modes should be considered in a final system configuration The open frame design of the power module provides an air path to individual components This air path improves heat conduction and convection to the surrounding environment which reduces areas of heat concentration and resulting hot spots Test Setup The thermal performance data of the power module is based upon measurements obtained from a wind tunnel test with the setup shown below This thermal test setup replicates the typical thermal environments encountered in most modern electronic systems with distributed power architectures The electronic equipment in optical networking telecom wireless and advanced computer systems operate
24. ne 877 498 0099 Toll Free 469 916 4747 877 498 0143 Toll Free support tdkinnoveta com ttp www tdkinnoveta com Fax 2001 2005 TDK Innoveta Inc iQAFullDatasheet080505 2 doc 8 3 2006 amp 877 498 0099 i TDK Advance Data Sheet Dualeta iQA Series Dual Quarter Brick Mechanical Specification Dimensions are in mm in Unless otherwise specified tolerances are x x 0 5 0 02 x xx and x xxx 0 25 0 010 38 10 1 500 1 12 7 0 50 i 1 02 0 040 D 8 PINS ai 4 930 80 3 81 0 150 Shee 30 48 1 200 oe A I PIN 1 M3 x 05 3 81 THREADED INSERTS 0 150 4 PLACES Recommended Hole Pattern top view 13 24 0 6001 8 89 0 35301 si 318 1 775 0 125 3 81 0 150 30 80 2 000 Pin Assignment FUNCTION FUNCTION Vin Output RTN On Off Vo1 Trim Optional Single tracking trim pin Vin Voi Vo2 Vo2 Trim Optional Omit for single trim pin option 2001 2005 TDK Innoveta Inc iQAFullDatasheet080505 2 doc 8 3 2006 amp 877 498 0099 i TDK Advance Data Sheet Dualeta iQA Series Dual Quarter Brick Absolute Maximum Ratings Stress in excess of Absolute Maximum Ratings may cause permanent damage to the device Characteristic i Notes amp Conditions Continuous Input Voltage Transient Input Voltage 100mS max
25. onvection can be enhanced by increasing the airflow rate that the power module experiences The maximum output current of the power module is a function of ambient temperature Tams and airflow rate as shown in the 2002 2005 TDK Innoveta Inc iQAFullDatasheet080505 2 doc 8 3 2006 amp 877 498 0099 i TDK Advance Data Sheet Dualeta iQA Series Dual Quarter Brick thermal performance figures in the Thermal Performance section The curves in the figures are shown for natural convection through 3 m s 600 ft min The data for the natural convection condition has been collected at 0 3 m s 60 ft min of airflow which is the typical airflow generated by other heat dissipating components in many of the systems that these types of modules are used in In the final system configurations the airflow rate for the natural convection condition can vary due to temperature gradients from other heat dissipating components Heatsink Usage For applications with demanding environmental requirements such as higher ambient temperatures or higher power dissipation the thermal performance of the power module can be improved by attaching a heatsink or cold plate The iQA platform is designed with a base plate with four M3 X 0 5 through threaded mounting fillings for attaching a heatsink or cold plate The addition of a heatsink can reduce the airflow requirement ensure consistent operation and extend reliability of the system With
26. outpiits e Remote on off negative logic Flexible loading 0 15A from either 7 ins 2 7 110 output 15A total load e Short Thru hole pins 2 79 mm 0 110 High efficiency up to 89 Industry leading output power 75W Basic insulation 1500 Vdc Full auto recovery protection o Input under and over voltage Output over voltage Current limit Short circuit Thermal limit 2001 2006 Innoveta Technologies Inc a iQAFullDatasheet080505 2 doc 8 3 2006 877 498 0099 i TDK Advance Data Sheet Dualeta iQA Series Dual Quarter Brick Ordering information Product Identifier Package Size Input Voltage Platform i A Output Current Power Output Units of Outputs Main Feature Set Output Voltage 050 M TDK Innoveta Dualeta 050 5 0V 033 3 3V Multiple Product Offering Input Voltage iQA48015A050M 000 36V to 75V Feature Set I On Off Logic Pin Length Negative ual inde lent pins Positive Single tracking pin Negative Single tracking pin Positive Dual independent pins Negative Dual independent pins Positive Single tracking pin Negative Single tracking pin Output Voltage 5 0 3 3V Maximum Output Power Output Current Efficiency iQA48015A033M 000 36V to 75V 3 3 2 5V iT DIK 3320 Matrix Drive Suite 100 Richardson Texas 75082 Pho
27. voltage application at full load CH3 Vin CH1 Vo1 CH2 Vo2 877 498 0099 iT DK Advance Data Sheet Dualeta iQA Series Dual Quarter Brick Electrical Characteristics continued iIQA48015A050M 5V 3 3V 15A Output 4 2 1 ms 100m 1 1 ms 100mV Yl ms 5 0 A 2 1 ms 100m 1 1 ms 100mv Yl ms 5 0 A Typical Vo1 load transient response lo1 step from 3 75A Typical Vo2 load transient response lo2 step from 3 75A to 7 5A with 0 1A uS lo2 7 5A CH1 Vo1 CH2 Vo2 to 7 5A with 0 1A uS lo1 7 5A CH1 Vo1 CH2 Vo2 CH4 lo1 CH4 l02 5 1 3 4 o w a o N a Output Voltage Vo1 V a Output Voltage Vo2 V wo wo o N 4 9 11 12 13 14 15 16 17 18 Output Current lo2 A lo1 0A 10 11 12 13 14 15 16 17 18 Output Current lo1 A lo2 0A Vin 36V Vin 48V Vin 75V Vin 36V s Vin 48V a Vin 75V Typical Output 1 Current Limit Characteristics vs Input Typical Output 2 Current Limit Characteristics vs Input Voltage at Ta 25 degrees Voltage at Ta 25 degrees 2 5 N oa Input Current A o a
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