APU3137 View Datasheet(PDF) - Advanced Power Electronics Corp

Part Name

Description

Manufacturer

APU3137

8-PIN SYNCHRONOUS PWM CONTROLLER

Advanced Power Electronics Corp 

APU3137

BLOCK DIAGRAM

Vcc 2

3V

20uA

SS/SD 8

POR

25K

0.8V

25K

Fb 1

Comp 7

Bias

3V

Generator

0.8V

4.25V

POR

Vc

3.5V

64uA Max

Oscillator

Ct

Error Amp

Error Comp

FbLo Comp

0.4V

S

Q

R

Reset Dom

2.8V

POR

SS

Figure 2 - Simplified block diagram of the APU3137.

6 Vc

5 HDrv

Vcc

3 LDrv

4 Gnd

4/17

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