Datasheet LT1431 (Analog Devices) - 8

FabricanteAnalog Devices
DescripciónProgrammable Reference
Páginas / Página14 / 8 — Typical applicaTions. PNP Low Dropout 5V Regulator*. FET Low Dropout 5V …
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Typical applicaTions. PNP Low Dropout 5V Regulator*. FET Low Dropout 5V Regulator with Current Limit

Typical applicaTions PNP Low Dropout 5V Regulator* FET Low Dropout 5V Regulator with Current Limit

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LT1431
Typical applicaTions PNP Low Dropout 5V Regulator*
VIN 0.1µF 20Ω** 47Ω 2W MJE2955 1k 2N2219 0.015µF 150Ω 2 1 COMP COLL 3 8 V+ REF LT1431 4 R 7 TOP RMID GND-S GND-F 5 6 5V MEASURED DROPOUT VOLTAGE + 330µF 420mV AT 4A 190mV AT 2A LT1431 TA07 95mV AT 1A 60mV AT 0.5A *NO SHORT-CIRCUIT PROTECTION **MAY BE INCREASED AT LOWER WATTAGE FOR LOWER OUTPUT CURRENTS
FET Low Dropout 5V Regulator with Current Limit
12V MTP50N05EL MTM25N05L 0.002Ω* VIN ≥ 5.2V 5V, 2.5A D S + 2 3 + 47µF G – + 4 47µF 1.5k 7 LT1006 LT1006 5 1N4148 6 1 COLL 3 8 V+ REF
Measured Dropout Voltages
4 LT1431 7
I MTP50N05EL MTM25N05L
RTOP RMID
LOAD
2A 47mV 145mV GND-S GND-F 5 6 1A 22mV 73mV 0.5A 11.5mV 37mV LT1431 • TA08 *1.5" #23 SOLID COPPER WIRE ~0.002Ω → 3A LIMIT 1431fe 8 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Typical Applications Schematic Diagram Package Description Revision History Package Description Related Parts