FEBFHR1200_SPG01A 查看數據表（PDF） - Fairchild Semiconductor
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FEBFHR1200_SPG01A Datasheet PDF : 40 Pages
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List of Figures
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FIGURE 33.
EVALUATION BOARD PHOTOGRAPH (ENLARGED)........................................................................... 6
EVALUATION BOARD FLOOR PLAN.................................................................................................. 7
BREAK-AWAY PART ADAPTERS ....................................................................................................... 8
ENERGY STORAGE CAPACITOR CHARGER ........................................................................................ 8
POWER SUPPLY VOLTAGE REGULATOR ........................................................................................... 9
LOW-VOLTAGE AUXILIARY REGULATOR .......................................................................................... 9
LOW-COST VCC OR BROWNOUT REGULATOR................................................................................. 10
ENERGY STORAGE CAPACITOR, REGULATED HIGH-EFFICIENCY CHARGER ..................................... 11
ENERGY STORAGE CAPACITOR CHARGER, CIRCUIT OPERATION .................................................... 12
APPLICATION CIRCUIT #4: OVERALL SCHEMATIC........................................................................... 13
APPLICATION CIRCUIT #4: ISOLATED OUTPUT, GROUNDED OUTPUT REGULATOR ........................ 13
REFERENCE TEMPERATURE STABILITY AT 200 µA & 1 MA: GROUNDED CONFIGURATION ............ 15
ISOLATED OUTPUT REGULATOR: 431 CONFIGURATION ................................................................ 16
NON-ISOLATED OUTPUT REGULATOR: GROUNDED CONFIGURATION........................................... 17
BASIC CONCEPT OF PRIMARY-SIDE REGULATOR: GROUNDED CONFIGURATION ........................... 18
PRIMARY-SIDE REGULATOR BASED ON APP #4: GROUNDED CONFIGURATION............................. 19
CONCEPT OF FLOATING REGULATOR BASED ON APP #4 CIRCUIT .................................................. 19
FLOATING REGULATOR USING APP #4 CIRCUIT: GROUNDED CONFIGURATION............................. 20
CONCEPT FOR PROGRAMMABLE POWER ZENER: APP #4 CIRCUIT ................................................ 20
CHARACTERIZATION OF FHR1200 USED AS ZENER ........................................................................ 21
FHR1200 DYNAMIC IMPEDANCE ................................................................................................... 21
CONCEPT AND ACTUAL VOLTAGE REFERENCE USING APP #4 CIRCUIT........................................... 22
HOW TO ADD THE APP #4 MODULE TO AN EXISTING POWER SUPPLY .......................................... 22
SIMPLE, LOW-COST 0 TO 6 V REGULATOR: APPLICATION CIRCUIT #5 ............................................ 23
FHR1200 THERMAL DE-RATING..................................................................................................... 24
APPLICATION #5: 3.3 V POWER SUPPLY THERMAL CALCULATION ................................................. 24
APPLICATION #6: VCC OR BROWNOUT REGULATOR DESIGN .......................................................... 25
APPLICATION #6: BROWNOUT & AUXILIARY REGULATOR: LM431 CONFIGURED .......................... 26
EVALUATION BOARD SCHEMATICS ............................................................................................... 27
CONNECTING THE EVALUATION BOARD FOR TEST ........................................................................ 30
BREAK-AWAY DETAIL FOR SOCKET ADAPTERS .............................................................................. 30
TESTING THE FHR1200 DEVICES ON THE SOCKET ADAPTERS ......................................................... 31
TEST OF THE ENERGY CAPACITOR CHARGER OPERATION.............................................................. 31
© 2014 Fairchild Semiconductor Corporation
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FEBFHR1200_SPG01A • Rev. 1.3
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