AP2001

MONOLITHIC DUAL CHANNEL PWM CONTROLLER

AP2001 Rev. 1

3 of 8

NOVEMBER 2006

www.diodes.com

Block Diagram

Bandgap

Reference

DTC2

REF

OUT1

OUT2

PWM Amplifier 2

PWM Amplifier 1

EA1 +

EA1 -

Oscillator

RT

SCP

CT

DTC1

Error Amplifier 1

FB1

EA2+

EA2 -

Error Amplifier 2

FB2

R

S

VREF

UVLO

R

MAX.500KHz

GND

170K

1.18V

+

-

+

-

+

+

+

+

-

Absolute Maximum Ratings

Symbol

Parameter

Rating

Unit

Supply Voltage

40

V

Amplifier Input Voltage

20

V

Collector Output Voltage

40

V

Io

Collector Output Current

21

mA

Operating Temperature Range

-20 to +85

Storage Temperature Range

-65 to +150

Lead Temperature 1.6 mm (1/16 inch) from Case for 5 Seconds

245