TDA4863-2(2004) 查看數據表（PDF） - Infineon Technologies

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TDA4863-2
(Rev.:2004)

Power Factor Controller IC for High Power Factor and Low THD

Infineon Technologies 

1.5

Block Diagram

TDA4863-2

Overview

VCC

GND

DETIN

20V

10V

12.5V

+

UVLO

-

5V

-

Reference

Voltage

Vref

Clamp

Current

0.5V

+

+

0.2V

-

Enable

+

2.2V

2.5V

+

Voltage

Amp

-

-

Inhibit

+

Multiplier

5.4V

OVR

1.0V

1.5V

Detector

-

Inhibit

time delay

tdVA=2us

LEB

multout

1V

tdsd=70ns

+

+

Current

Comp

-

5p

40k

VSENSE

VAOUT

MULTIN ISENSE

tres=150us

Restart

Timer

RS

Flip-Flop

Gate

Drive

-

1V

+

uvlo

active

shut down

3.5V

-

Vref

+

GTDRV

Figure 3 Internal Bolck Diagram

Data Sheet

8

V1.2, 2004-02

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