Aan Posted January 7, 2007 Report Share Posted January 7, 2007 Hi, i need opamps which it's output can sink minimum of 0.2A.Thanks. Quote Link to comment Share on other sites More sharing options...
audioguru Posted January 7, 2007 Report Share Posted January 7, 2007 National Semi has a power opamp. It is rare and is expensive.Why not use a common and inexpensive audio power amplifier IC?Why not use an ordinary opamp that is driving a transistor? Quote Link to comment Share on other sites More sharing options...
hotwaterwizard Posted January 8, 2007 Report Share Posted January 8, 2007 Like this? Quote Link to comment Share on other sites More sharing options...
Aan Posted January 8, 2007 Author Report Share Posted January 8, 2007 I need opamp which it's output can sink 0.5 A or more, the opamp is for constant current power supply design to supply current 30A or more. Quote Link to comment Share on other sites More sharing options...
hotwaterwizard Posted January 9, 2007 Report Share Posted January 9, 2007 Why use Opamp?http://www.qsl.net/vu2upx/Projects/40apsu.htm Quote Link to comment Share on other sites More sharing options...
Aan Posted January 13, 2007 Author Report Share Posted January 13, 2007 More simple maybe.. ;D what do you think ? Quote Link to comment Share on other sites More sharing options...
ante Posted January 13, 2007 Report Share Posted January 13, 2007 The LMH6672 can provide 200mA. Quote Link to comment Share on other sites More sharing options...
Aan Posted January 24, 2007 Author Report Share Posted January 24, 2007 Thanks all. I'd try to build the supply, i'll let you know if i need help. Quote Link to comment Share on other sites More sharing options...
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