Datasheet > TK73200M

TK73200M

更新时间： 2024-11-04 22:49:51

品牌	Logo	应用领域
TOKO		稳压器
页数	文件大小	规格书
12页	96K
描述
ADJUSTABLE LOW DROPOUT REGULATOR

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中文翻译

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数据手册

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TK73200M 数据手册

TK73200

ADJUSTABLE LOW DROPOUT REGULATOR

FEATURES

APPLICATIONS

■ Up to 5 A Output Current Capability with External

PNP Transistor

■ Battery Powered Systems

■ Cellular/Cordless Telephones

■ Radio Control Systems

■ Internal Short Circuit Protection

■ Excellent Load Regulation

■ Wireless Communications Systems

■ Portable Instrumentations

■ CMOS/TTL-Compatible On/Off Switch

■ Internal Reverse Bias Current Protection Switch

■ Internal Thermal Shutdown

■ Portable Computers

■ Personal Digital Assistants

■ Local Area Network (LAN) Receivers

■ Power Recovery for Microprocessors

■ Wide Adjustable Output Voltage Range

(2.0 V to 12.0 V)

■ Continuous and Pulsed Current Modes

DESCRIPTION

The TK73200 is a controller IC for an adjustable low

dropout voltage regulator. The TK73200 and the external

PNP power transistor provide adjustable output voltages

from 2 to 12 V and output current from 100 mA to 5 A. By

utilizing an external PNP power transistor, low dropout

voltage at high current can be readily achieved. The

internal electronic switch can be controlled by TTL or

CMOS logic levels. The device is in the “on” state when the

control pin is pulled to a high logic level. A pin for a bypass

capacitor, which connects to the internal circuitry, is

provided to lower the overall output noise level.

TK73200

CONTROL

BASE

NOISE

BYPASS

ADJ

GND

PULSE

The current limit characteristics can be configured as

continuous (constant current) or pulsed (cycling). An

internal thermal shutdown circuit limits the junction

temperatures to below 150 °C.

BLOCK DIAGRAM

ADJ

BASE

PULSE

ORDERING INFORMATION

TK73200M L

ON/OFF

CIRCUIT

THERMAL

SENSOR

Tape/Reel Code

Temp. Code

CONTROL

Package Code

PACKAGE CODE

M: SOT23L-8

TAPE/REEL CODE

L: Tape Left

BANDGAP

REFERENCE

TEMP. RANGE

C: -30 to 80 °C

GND

NOISE BYPASS

June 1999 TOKO, Inc.

Page 1

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中文翻译

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