Datasheet > TEA2261_03

TEA2261_03

更新时间： 2024-09-27 04:00:07

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		开关控制器
页数	文件大小	规格书
11页	118K
描述
SWITCH MODE POWER SUPPLY CONTROLLER

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TEA2261_03 数据手册

TEA2261/0

SWITCH MODE POWER SUPPLY CONTROLLER

■ Positive and Negative Current up to 1.2A and -

■ Low Start-Up Current

■ Direct Drive of the Power Transistor

■ Two Levels Transistor Current Limitation

■ Double Pulse Suppression

■ Soft-Starting

■ Under and Overvoltage Lock-out

■ Automatic Stand-By Mode Recognition

■ Large Power Range Capability in Stand-By

(Burst Mode)

■ Internal PWM Signal Generator

DESCRIPTION

The TEA2260/61 is a monolithic integrated circuit

for the use in primary part of an off-line switching

mode power supply.

All functions required for SMPS control under nor-

mal operating, transient or abnormal conditions

are provided.

BATWING DIP16

(Plastic Package)

ORDER CODES:

TEA2261/0

The capability of working according to the “mas-

ter-slave” concept, or according to the “primary

regulation” mode makes the TEA2260/61 very

flexible and easy to use. This is particularly true for

TV receivers where the IC provides an attractive

and low cost solution (no need of stand-by auxilia-

ry power supply). See application note AN376/

0490 for detailed information.

Figure 1. Pin Connections

TRANSFORMER DEMAGNETIZATION SENSING INPUT

SECONDARY PULSES INPUT

V_CCPOWER SUPPLY

V+

POSITIVE OUTPUT STAGE SUPPLY

POWER TRANSISTOR CURRENT LIMITATION INPUT I_MAX

OUT POWER OUTPUT

GND GROUND

GROUND GND

GND GROUND

ERROR AMPLIFIER INPUT (INVERTING)

ERROR AMPLIFIER OUTPUT

OSCILLATOT RESISTOR

OSCILLATOR CAPACITOR

SOFT-START CAPACITOR

OVERLOAD INTEGRATION CAPACITOR

October 2003

1/11

12 3 4 5 6 7...11

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