Datasheet > CM431

CM431

更新时间： 2024-09-27 04:12:23

品牌	Logo	应用领域
虹冠电子 - CHAMP		稳压器
页数	文件大小	规格书
12页	215K
描述
LOW VOLTAGE ADJUSTABLE SHUNT REGULATOR

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CM431 数据手册

CM431

LOW VOLTAGE ADJUSTABLE SHUNT REGULATOR

GENERAL DESCRIPTION

FEATURES

The CM431 is a three-terminal adjustable shunt voltage regulator

with specified thermal stability and pin-to-pin compatible with the

earlier 431 series. The output voltage can be adjusted to any

value between V_REFand 36V by using two external resistors. The

CM431 offers low output impedance for improved load regulation

with a typical output impedance of 200mΩ. Because of the

active output circuitry, the CM431 can replace the zener diodes in

applications such as switching power supplies, OVP crowbar

circuits, references for A/D, D/A converters with improved turn-on

characteristics.

Initial voltage reference accuracy of 1.0%.

Sink current capability from 1mA to 100mA

Typical output dynamic impedance less than 200mΩ;

Adjustable output voltage from V_REFto 36V

Available in SOT-23, SOT-89, TO-92, & SOP-8

Low output noise

Typical equivalent full range temperature coefficient of

30ppm/^OC

APPLICATIONS

Voltage Reference

Precision shunt regulator

High current shunt regulator

PWM down converter with reference

Voltage monitor

PIN CONFIGURATION

TO-92

SOT-23-3

Front View

Top View

CM431XCM233

REF

CM431XCM2R3

CATHODE

REF

Pin 1

Pin 2

Pin 3

CATHODE

ANODE

Suffix “X”: Grade “A”, “B”, “C”, or “D”

SOT-23-5

Top View

SOT-89

SOP-8

Top View

REF

CATHODE

ANODE

2006/10/11 Rev.1.4

Champion Microelectronic Corporation

Page 1

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