IK3466D Просмотр технического описания (PDF) - IK Semicon Co., Ltd

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IK3466D

IC for AC/DC Converter with built–in Power DMOS Transistor with Operating Frequency 132 ± 8 kHz

IK Semicon Co., Ltd 

IK3466

BYPASS

01

240uA G1 50uA G2

Line under voltage

Autorestart

counter

Error

1 A3

VD1

6,3V

Reset

Enable

VT1

1,0V+UT

EN/UV

02

VT2 1,0V

VT3

VT4

A1

&

Jitter

Clock

DCMAX

Oscilator

A2

1

Regulator

5,8 V

DRAIN

03

A7

+

-

5,8V

4,8V

Current limit

unit

A9

-

+

Thermal

shutdown

A4

T1

&

SQ

A5

1

R Q A6

&

VT5

A8

&

Leading

edge

blanking

05

04 SOURCE

A1 – A6, A8 – logic elements;

A7 –dual-threshold comparator;

A9 – current limit comparator;

G1, G2 – DC current source;

T1 – trigger;

VD1 – Zener diode;

VT1 – VT4 - MOS transistors

VT5 – high voltage output n-channel DMOS transistor

Fig. 1 – Electric block diagram

2012, April Ver. 00

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