lm4702 with complementry mosfet output
Just trying out using mosfets with the lm 4702
why do you put the n channel down to minus and the p channel to plus?
you can try this -- sans some of the necessary bells and whistles -- you will have to determine the values of resistors for the bias generator, etc -- based on a thought by Borbley:
Re: lm4702 with complementry mosfet output
LM4702 is hivolt hifi audio amplifier driver.
It has got 2 outputs:
- one inverting
- one non-inverting
It was originally made to control a complementary Bipolar Follower stage
and has got a VBE-multiplier function
You may have noticed this National Application note Topic ( a bit later )
Super class A or......
National has done an investigation/circuit and using LM4702 to drive
IRF240/9240, 2SK1058/2SK162 etc.
See my attachment for the circuit idea, schematic
Litterature/links for further reading and thinking are here:
LM4702 - Stereo High Fidelity 200 Volt Driver
AN-1645: Application Note 1645 LM4702 Driving a MOSFET Output Stage
AN-1490: Application Note 1490 LM4702 Power Amplifier
Past Classical LM4702 topics and projects in Chip Amps forum:
Something with LM4702 and Power FET ( FastEddy December 2006 )
Lineup :) regars
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