Datasheet > RS431ANG

RS431ANG

更新时间： 2022-05-07 08:10:48

品牌	Logo	应用领域
ORISTER		稳压器
页数	文件大小	规格书
10页	867K
描述
Adjustable Precision Shunt Regulator

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RS431

Adjustable Precision Shunt Regulator

General Description

The RS431 series are three‐terminal adjustable regulators with guaranteed thermal stability over applicable

temperature ranges. The output voltage may be set to 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

circuitry provides a very sharp turn‐on characteristic, making these devices excellent replacement for zener

diodes in many applications.

Features

● Programmable Precise Output Voltage from 2.5V to 36V

● High Stability under Capacitive Load

● Low Temperature Deviation: 4.5mV Typical

● Low Dynamic Output Resistance: 0.2Ω Typical

● Sink Current Capacity from 1mA to 100mA

● Low Output Noise

● Wide Operating Range of ‐40 to 125^oC

● Low Equivalent Full‐range Temperature Coefficient with 20PPM/^oC Typical

Application Circuits

Fig 1. V_K=V_REF

Fig 2. V_K>V_REF

Fig 3. Off‐State Current

I_I

V_K

R₁

I_REF

I_K

I_OFF

V_REF

R₂

V^REF

Note: V_K=V_REF(1+R₁/R₂)+I_REFxR₁

This integrated circuit can be damaged by ESD. Orister Corporation recommends that all integrated circuits be handled with

appropriate precautions. Failure to observe proper handling and installation procedures can cause damage.

ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more

susceptible to damage because very small parametric changes could cause the device not to meet its published specifications.

DS‐RS431‐09 September, 2009

www.Orister.com

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