Datasheet > APL431ADI-PB

APL431ADI-PB

更新时间： 2024-11-18 22:05:19

品牌	Logo	应用领域
茂达 - ANPEC		稳压器
页数	文件大小	规格书
16页	501K
描述
Adjustable Precision Shunt Regulator

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APL431ADI-PB 数据手册

APL431

Adjustable Precision Shunt Regulator

Features

General Description

The APL431 is a 3-terminal adjustable voltage refer-

ence with specified thermal stability over applicable

commercial temperature ranges. Output voltage may

be set to any value between V_ref(2.5 V) and 20 V with

two external resistors (see Figure 2). When used

with an photocoupler, the APL431 is an ideal voltage

reference in isolated feedback circuits for 2.5V to 12V

switching-mode power supplies. This device has a

typical output impedance of 0.1Ω. Active output cir-

cuitry provides a very sharp turn-on characteristic,

making the APL431 excellent replacements for ze-

ner diodes in many applications, including on-board

regulation and adjustable power supplies.

•

Precise Reference Voltage to 2.500V

Guaranteed 0.5%, 1% or 2% Reference

Voltage Tolerance

•

Sink Current Capability, 1mA to 100mA

Quick Turn-on

Adjustable Output Voltage, V_O= V_refto 20V

Low Operational Cathode Current, 250µA

Typical

•

0.1Ω Typical Output Impedance

SOT-23, SOT-23-5, SOT-89, SO-8, TO-92

and TO-92S Packages

ANODE

Applications

REF

CATHODE

REF ANODE CATHODE

SOT-23 (Top View)

SOT-23-5 (Top View)

•

Linear Regulators

Adjustable Power Supply

Switching Power Supply

CATHODE

ANODE

REF

ANODE

Symbol

REF

ANODE CATHODE

REF

Anode

Cathode

SOT-89 (Top View)

SO-8 (Top View)

Functional Diagram

CATHODE

ANODE

CATHODE

Cathode

ANODE

REF

V^ref

TO-92 (Top View)

TO-92S (Top View)

Anode

ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and advise

customers to obtain the latest version of relevant information to verify before placing orders.

www.anpec.com.tw

Rev. C.1 - Jun., 2003

12 3 4 5 6 7...16

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