LL431 Просмотр технического описания (PDF) - Unisonic Technologies
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LL431 Datasheet PDF : 5 Pages
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LL431
TEST CIRCUIT
LINEAR INTEGRATED CIRCUIT
For VKA=VREF
APPLICATION CIRCUIT
VIN
VoUT
R1
VREF
R2
UTC LL431
VOUT=(1+R1/R2)*VREF
Shutdown Regulator
For VKA≧ VREF
For IKA(OFF)
VIN
IN
UTC7805 OUT
COMMON
VoUT
R1
UTC LL431
VREF
R2
VOUT=(1+R1/R2)*VREF
Output Control of a Three
-Terminal Fixed Regulator
VIN
VoUT
R1
VREF
R2
UTC LL431
VOUT=(1+R1/R2)*VREF
Higher-current Shunt Regulator
Constant-current Sink
Current Limiting or Current Source
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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QW-R121-020,B
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