Datasheet > LM431SA_12

LM431SA_12

更新时间： 2024-01-18 08:42:28

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		稳压器
页数	文件大小	规格书
12页	420K
描述
Programmable Shunt Regulator

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LM431SA_12 数据手册

June 2012

LM431SA/LM431SB/LM431SC

Programmable Shunt Regulator

Features

Description

The LM431SA/LM431SB/LM431SC are three terminal

output adjustable regulators with thermal stability over

operating temperature range. The output voltage can be

set any value between V_REF(approximately 2.5 volts)

and 36 volts with two external resistors. These devices

have a typical dynamic output impedance of 0.2Ω. Active

output circuit provides a sharp turn-on characteristic,

making these devices excellent replacement for Zener

Diodes in many applications.

• Programmable Output Voltage to 36 Volts

• Low Dynamic Output Impedance 0.2Ω Typical

• Sink Current Capability of 1.0 to 100mA

• Equivalent Full-Range Temperature Coefficient of

50ppm/°C Typical

• Temperature Compensated for Operation Over Full

Rated Operating Temperature Range

• Low Output Noise Voltage

• Fast Turn-on Response

SOT-23F

SOT-89

1. Cathode 2. Ref 3. Anode

1. Ref 2. Anode 3. Cathode

SOT-23

M32 - 1. Ref 2. Cathode 3. Anode

M3 - 1. Cathode 2. Ref 3. Anode

Internal Block Diagram

LM431SA/LM431SB/LM431SC Rev. 1.2.0

www.fairchildsemi.com

12 3 4 5 6 7...12

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