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RC431A

Fairchild Semiconductor
Part Number RC431A
Manufacturer Fairchild Semiconductor
Description Low-Voltage Adjustable Precision Shunt Regulator
Published Apr 16, 2005
Detailed Description www.fairchildsemi.com RC0431A (RC431A) Low-Voltage Adjustable Precision Shunt Regulator Features • • • • • • Low volta...
Datasheet PDF File RC431A PDF File

RC431A
RC431A

Overview
www.
fairchildsemi.
com RC0431A (RC431A) Low-Voltage Adjustable Precision Shunt Regulator Features • • • • • • Low voltage operation to 1.
24V 1% reference voltage tolerance Output voltage adjustable from Vref to 12V Low 80µA operational cathode current 0.
25Ω typical output impedance TO-92, SOT23-3 and SOT23-5 packages Description The RC0431A is a low-voltage 3-terminal adjustable precision voltage reference regulator.
It has an excellent thermal stability over the standard commercial temperature range.
The output voltage can be set to any value between Vref (1.
24V) and 12V using two external resistors.
The RC0431A operates from a lower voltage (1.
24V) than the traditional shunt regulator references which operate from 2.
5V.
When used with an optocoupler, the RC0431A will be an ideal voltage reference in an isolated feedback circuit for use in switched-mode power supplies and modular DC-DC converters.
The RC0431A has a low output impedance of active output circuitry offering a very shar...


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