Is there a simple PWM chip where I can put a voltage in and get a pulse width modulated signal out without needing too many other periferals (something like the UC3901, but PWM instead of AM)?
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The LM3524D - Regulating Pulse Width Modulator ~might~ meet your needs ...
http://www.ti.com/product/lm3524d
I think thats a bit closer than anything I considered. Still a bunch of pins I don't need though.
Thanks