where is a good source to buy pwm chips in the U.S.? every where i look they either don't have the right chips or have a high dollar min. order. I am looking for an Anpeck APW7120 5/12v 8pin synchronous buck pwm controller, or any thing compatible. its a sop-8 chip. its a
300khz chip. pinout
1=boot
2=ugate
3=gnd
4=lgate
5=vcc
6=fb
7=ocset
8=phase
any help would be greatly appreciated.