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TEA2261 Datasheet

  • TEA2261

  • SWITCH MODE POWER SUPPLY CONTROLLER

  • 9頁

  • STMICROELECTRONICS   STMICROELECTRONICS

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TEA2260
TEA2261
SWITCH MODE POWER SUPPLY CONTROLLER
.
.
.
.
.
.
.
.
.
.
POSITIVE AND NEGATIVE CURRENT UP TO
1.2A and 鈥?2A
LOW START-UP CURRENT
DIRECT DRIVE OF THE POWER TRANSIS-
TOR
TWO LEVELS TRANSISTOR CURRENT LIMI-
TATION
DOUBLE PULSE SUPPRESSION
SOFT-STARTING
UNDER AND OVERVOLTAGE LOCK-OUT
AUTOMATIC STAND-BY MODE RECOGNI-
TION
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.
The capability of working according to the "master-
slave" concept, or according to the "primary regu-
lation" 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 auxiliary
power supply). See application note AN376/0490
for detailed information.
PIN CONNECTIONS
TRANSFORMER DEMAGNETIZATION SENSING INPUT
SECONDARY PULSES INPUT
POWER TRANSISTOR CURRENT LIMITATION INPUT
IS
IN
I
MAX
1
2
3
4
5
6
7
8
BATWING DIP 16
(Plastic Package)
ORDER CODES :
TEA2260 - TEA2261
16
15
14
13
12
11
10
9
V
CC
V+
OUT
POWER SUPPLY
POSITIVE OUTPUT STAGE SUPPLY
POWER OUTPUT
GROUND GND
GROUND GND
ERROR AMPLIFIER INPUT (INVERTING)
ERROR AMPLIFIER OUTPUT
OVERLOAD INTEGRATION CAPACITOR
E
S
C2
GND GROUND
GND GROUND
R0
C0
C1
OSCILLATOT RESISTOR
2261-01.EPS
OSCILLATOR CAPACITOR
SOFT-START CAPACITOR
June 1992
1/9

TEA2261 產(chǎn)品屬性

  • 25

  • 集成電路 (IC)

  • PMIC - AC-DC 轉(zhuǎn)換器，離線開關(guān)

  • -

  • 隔離

  • 10kHz ~ 100kHz

  • 7.4 V ~ 20 V

  • -

  • 140W

  • -20°C ~ 150°C

  • 16-DIP（0.300"，7.62mm）

  • 16-DIP

  • 管件

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