User manual 578796
Contents
1. CHEMIE BIOLOGIE PHYSIK 10 14 W2010 Wei 1 Description The plug in element is used with circuits built on the plug in boards DIN A4 or DIN A3 This is a boost chopper buck converter DC DC converter such as what hybrid vehicles use for example to keep the battery charging voltage constant independently of the generator voltage Safety notes Only operate the device with an appropriate power sup ply Make sure all connections are correct Pay attention to the maximum output current 2 Technical Data e Input voltage Uin 3 18 V e Maximum current Ima 750 mA e Output voltage Usut 12 V e Input current 1 3 A at lou 750 mA and Ui 9 V e Switching frequency 750 kHz LID LD DIDACTIC Instruction Manual 578 796 Step Up down Converter STE 6 50 100 1 Output voltage 2 Timing measuring point 3 Positive supply voltage 4 Voltage feedback measuring point 5 Enable input 6 Negative supply voltage 3 Startup Link the ground connection 6 to the negative supply voltage and the voltage input 3 to the positive supply voltage Set the supply voltage to 9 V and switch it on Link the EN 5 socket on the top of the unit to the positive supply voltage 3 to enable operation You can now connect a load to the output 1 Be careful not to exceed the maximum current of 750 mA At measuring point LR 4 you can measure the voltage which serves as a feedback v2. ariable for regulation At measuring point 2 you can tap the connected voltage signal which can look like the following wave for example LD DIDACTIC GMBH Leyboldstrasse 1 D 50354 Huerth Germany Phone 49 0 2233 604 0 Fax 49 0 2233 604 222 e mail info Ild didactic de by LD Didactic GmbH Printed in the Federal Republic of Germany Technical alterations reserved
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