Datasheet > CM431AACN

CM431AACN

更新时间： 2024-11-09 06:48:07

品牌	Logo	应用领域
虹冠电子 - CHAMP		稳压器
页数	文件大小	规格书
14页	323K
描述
LOW VOLTAGE ADJUSTABLE SHUNT REGULATOR

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CM431AACN 数据手册

CM431A

LOW VOLTAGE ADJUSTABLE SHUNT REGULATOR

GENERAL DESCRIPTION

FEATURES

The CM431A 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 18V by using two external resistors.

The CM431A offers low output impedance for improved load

regulation with a typical output impedance of 200mΩ. Because

of the active output circuitry, the CM431A 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 18V

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

CM431AXCM233 CM431AXCM2R3

Pin 1

Pin 2

Pin 3

REF

CATHODE

REF

CATHODE

ANODE

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

SOT-23-5

Top View

SOT-89

SOP-8

Top View

REF

CATHODE

ANODE

2006/10/11 Rev1.2

Champion Microelectronic Corporation

Page 1

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