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431BCM

National Semiconductor
Part Number 431BCM
Manufacturer National Semiconductor
Description Adjustable Precision Zener Shunt Regulator
Published Apr 1, 2005
Detailed Description LM431 Adjustable Precision Zener Shunt Regulator December 1999 LM431 Adjustable Precision Zener Shunt Regulator Genera...
Datasheet PDF File 431BCM PDF File

431BCM
431BCM

Overview
LM431 Adjustable Precision Zener Shunt Regulator December 1999 LM431 Adjustable Precision Zener Shunt Regulator General Description The LM431 is a 3-terminal adjustable shunt regulator with guaranteed temperature stability over the entire temperature range of operation.
It is now available in a chip sized package (4-Bump micro SMD) using National’s micro SMD package technology.
The output voltage may be set at any level greater than 2.
5V (VREF) up to 36V merely by selecting two external resistors that act as a voltage divided network.
Due to the sharp turn-on characteristics this device is an excellent replacement for many zener diode applications.
Features n Average temperature coefficient 50 ppm/˚C n Temperature compensated for operation over the full temperature range n Programmable output voltage n Fast turn-on response n Low output noise n LM431 in micro SMD package Connection Diagrams TO-92: Plastic Package SOT-23: 3-Lead Small Outline DS010055-28 DS010055-1 Top View 4-Bump...


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