Datasheet > ZXRE252ABSA-7

ZXRE252ABSA-7

更新时间： 2025-01-16 07:17:07

品牌	Logo	应用领域
美台 - DIODES		稳压器
页数	文件大小	规格书
14页	399K
描述
VERY LOW CATHODE CURRENT ADJUSTABLE PRECISION SHUNT REGULATOR

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中文翻译

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ZXRE252ABSA-7 数据手册

ZXRE250/ZXRE252

VERY LOW CATHODE CURRENT ADJUSTABLE

PRECISION SHUNT REGULATOR

Description

Pin Assignments

The ZXRE250 and ZXRE252 are three terminal adjustable

shunt regulators offering excellent temperature stability and

output current handling capability up to 100mA. The output

voltage may be set to any chosen voltage between 2.5 and

36 volts by selection of two external divider resistors.

ZXRE250

(Top View)

REF

ANODE

ZXRE250 has the same electrical specifications as the

industry standard ‘431 except that it features a very low

minimum cathode current for regulation. The typical value of

40µA makes the parts ideal for very low power applications.

CATHODE

SOT23

The devices can be used as a replacement for zener diodes

in many applications requiring an improvement in zener

performance. The ZXRE250/2 is available in 2 grades with

initial tolerances of 1% and 0.5% for the A and B grades

respectively.

(Top View)

ANODE

Leave floating or

connect to pin 5

Features

CATHODE

4 REF

•

Minimum cathode current for regulation: 40μA (typ)

Temperature range -40 to 125ºC

Reference Voltage Tolerance at 25°C

SOT25

ZXRE252

ZXRE250A: 2.495V ± 1.0%.

ZXRE250B: 2.495V ± 0.5%

(Top View)

•

Low Output Noise

0.2Ω Typical Output Impedance

CATHODE

REF

Sink Current Capability: 0.065mA to 100mA

Adjustable Output Voltage: V_REFto 36V

SOT23 and SOT25: Available in “Green” Molding

Compound (No Br, Sb) and Lead Free Finish/ RoHS

Compliant (Note 1)

ANODE

SOT23

Applications

•

Opto-Coupler Linearisers

Shunt Regulators

Improved Zener

Variable Reference

Notes: 1. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied. Please visit our website at

http://www.diodes.com/products/lead_free.html.

1 of 14

www.diodes.com

May 2011

ZXRE250/ZXRE252

Document number: DS35228 Rev. 3 - 2

12 3 4 5 6 7...14

中文翻译

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