FEBFHR1200_SPG01A 查看數據表（PDF） - Fairchild Semiconductor

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FEBFHR1200_SPG01A

High-Performance Shunt Regulator

Fairchild Semiconductor 

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ENERGY CAPACITOR CHARGER CIRCUIT OPERATION DESCRIPTION............................................... 32

VOLTAGE REGULATOR CIRCUIT CHECKOUT ................................................................................... 32

3.3 V LOW-VOLTAGE REGULATOR CHECKOUT ............................................................................... 33

VCC OR BROWNOUT REGULATOR CIRCUIT CHECKOUT ................................................................... 33

CALCULATING THE FHR1200 REFERENCE TEMPERATURE COEFFICIENT ......................................... 34

LM431 CONFIGURED REFERENCE TEMPERATURE STABILITY ......................................................... 34

VREF; 10 µA, 25 µA IZ TEMPERATURE STABILITY: GROUNDED CONFIGURATION ............................. 35

VREF; 40 µA, 60 µA IZ TEMPERATURE STABILITY: GROUNDED CONFIGURATION ............................. 35

VBE; 10 µA, 25 µA IZ TEMPERATURE STABILITY: GROUNDED CONFIGURATION .............................. 36

VBE; 40 µA, 60 µA IZ TEMPERATURE STABILITY: GROUNDED CONFIGURATION .............................. 36

BJT HFE VARIATION OVER TEMPERATURE .................................................................................... 38

ZENER VOLTAGE VS. IZ VS. TEMPERATURE .................................................................................... 38

ZENER TEMPERATURE COEFFICIENT CHANGE OVER TEMPERATURE ............................................. 39

FHR1200 SMALL-SIGNAL RESPONSE .............................................................................................. 39

© 2014 Fairchild Semiconductor Corporation

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FEBFHR1200_SPG01A • Rev. 1.3

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