润石一级代理 RS431/RS432***可编程基准稳压芯片/三端可调并联调节器

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RS431

The RS431 and RS432 device are three-terminal adjustable shunt regulators, with a guaranteed thermal stability over applicable temperature ranges.ORDERING NUMBER：RS431AYSF3，RS431BYSF3

Description

The RS431 and RS432 device are three-terminal adjustable shunt regulators, with a guaranteed thermal stability over applicable temperature ranges. The output voltage can be set to any value between Vref (approximately 2.5V) and 36V with two external resistors. These devices have provides a very sharp turn-on characteristic, making these devices excellent replacement for Zener diodes in many applications.

Both the RS431 and RS432 devices are offered in two grades, with initial tolerances (at 25°C) of 0.5% and 1%, for A and B grade.

Features

Reference Voltage Tolerance at 25°C

0.5% (A Grade)

1% (B Grade)

Programmable output voltage to 36V

Low dynamic output impedance 0.2Ω

Sink current capability of 0.5 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

Operation from -40°C to 85°C

Lead-Free Packages: SOT23

RS431和RS432装置是三端可调并联调节器，在适用温度范围内具有***的热稳定性。使用两个外部电阻器，可以将输出电压设置为VREF（约2.5V）和36V之间的任何值。这些器件具有非常敏锐的导通特性，在许多应用中成为齐纳二极管的***替代品。
RS431和RS432设备分为两个等级，A和B级的初始公差（25°C时）分别为0.5%和1%。
特征
25°C时的参考电压公差0.5%（A级）1%（B级）
可编程输出电压为36V
低动态输出阻抗0.2Ω
0.5mA至100mA的吸收电流能力
典型50ppm/°C的等效全量程温度系数
在整个额定工作温度范围内运行时补偿的温度
低输出噪声电压
快速开启响应
工作结温度从-40°C到150°C
无铅封装：SOT23