IR2184 problems in buck

Thread Starter

zami123

Joined Jan 11, 2012
4
Hi everyone...I am buliding a buck convertor using IR2184. Igbt i am using is MG300H1UL1.
But i am not geting any output. I am generating PWM at 4 Khz from microcontroller and that is coming on IN pin.And i have grounded the SD pin.can someone please tell me where i am wrong..All other pins are connected according to datasheet.

http://www.datasheetcatalog.org/data...irf/ir2184.pdf
 

shortbus

Joined Sep 30, 2009
7,340
A schematic of the circuit is needed for help. Are you using the high or low side? A connection to ground (0V) is needed to charge the boost capacitor when high side is off to make the driver work. Unless you are using a "charge pump".
 
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