TDA4863-2 Ver la hoja de datos (PDF) - Infineon Technologies

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Fabricante

TDA4863-2

Power-Factor Controller (PFC) 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

-

tres=150us

Restart

Timer

RS

Flip-Flop

Gate

Drive

-

1V

+

uvlo

active

shut down

3.5V

-

Vref

+

VSENSE

VAOUT

MULTIN ISENSE

GTDRV

Figure 3 Internal Bolck Diagram

Version 2.1

8

22 Feb 2005

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