Datasheet > TDA4605_03

TDA4605_03

更新时间： 2024-11-28 04:00:19

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		晶体开关晶体管
页数	文件大小	规格书
7页	119K
描述
CONTROL CIRCUIT FOR SWITCH MODE POWER SUPPLIES USING MOS TRANSISTORS

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TDA4605_03 数据手册

TDA4605

CONTROL CIRCUIT FOR SWITCH MODE

POWER SUPPLIES USING MOS TRANSISTORS

■ Fold-Back Characteristic provides Overload

Protection for External Diodes

■ Burst Operation under Short-Circuit and no

Load Conditions

■ Loop Error Protection

■ Switch-off in case of too low Line Voltage

(Under Voltage Switch-off)

■ Line Voltage Compensation of Overload Point

■ Soft-Start for smooth Start-up

■ Chip Over-Temperature Protection (Thermal

DIP28

(Plastic Package)

Shutdown)

■ On-Chip Parasitic Transformer Oscillation

Suppression Circuitry

■ Decrease of Regulated Voltage for low Power

ORDER CODE: TDA4605

Consumption

DESCRIPTION

The IC TDA4605 controls the MOS Power Tran-

sistor and performs all necessary regulation and

monitoring functions in free running flyback con-

verters. Since good load regulation over a wide

load range is attained, this IC is particularly suita-

ble for Consumer as well as Industrial Power Sup-

plies.

SO8

(Plastic Micropackage)

Alternative source of the TDA4605 is also availa-

ble from SIEMENS Semiconductors Consumer

Electronics A.G.

ORDER CODE: TDA4605D

Figure 1. Pin Connections

REGULATION INPUT

PRIMARY CURRENT SIMULATION

PRIMARY VOLTAGE MONITORING

GROUND

ZERO CROSSING DETECTOR INPUT

SOFT-START

SUPPLY VOLTAGE

OUTPUT

September 2003

1/7

12 3 4 5 6 7

中文翻译

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