Re: Delta proprietary chips? What are they?

i did some additional investigation on the delta ic DNA1001

one missing wire from the drawing of the previous comment there a missing wire from pin 8 of dna1001 to IC2 pin 4 ( opto) need to be added tio the schematic

pin assignement ( what i found )
#1 could be slope compensation or current sense
#2 gnd
#3 output mosfet drive
#4 ?
#5 5V ref output
#6 osc (need a capacitor to gnd and a resistor to 5V ref to set the frequency)
#7 gnd
#8 voltage feedback...