LT1431MJ8-TRPBF 데이터 시트보기 (PDF) - Linear Technology

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LT1431MJ8-TRPBF

Programmable Reference

Linear Technology 

LT1431

Typical Applications

PNP Low Dropout 5V Regulator*

VIN

0.1µF

1k

0.015µF

150Ω

20Ω**

2W

47Ω

MJE2955

2N2219

2

1

COMP

COLL

3 V+

REF 8

4 RTOP LT1431

RMID 7

GND-S

GND-F

5

6

MEASURED DROPOUT VOLTAGE

420mV AT 4A

190mV AT 2A

95mV AT 1A

60mV AT 0.5A

*NO SHORT-CIRCUIT PROTECTION

**MAY BE INCREASED AT LOWER WATTAGE

FOR LOWER OUTPUT CURRENTS

5V

+

330µF

LT1431 TA07

FET Low Dropout 5V Regulator with Current Limit

VIN ≥ 5.2V

+

Measured Dropout Voltages

ILOAD

2A

1A

0.5A

MTP50N05EL

47mV

22mV

11.5mV

MTM25N05L

145mV

73mV

37mV

12V

MTP50N05EL

MTM25N05L

0.002Ω*

D

S

2

3

47µF

G

– +4

1.5k

7 LLTT11000066

5

1N4148

6

1

3 V+

4

RTOP

COLL

REF 8

LT1431

7

RMID

GND-S

GND-F

5

6

*1.5" #23 SOLID COPPER WIRE

~0.002Ω m 3A LIMIT

5V, 2.5A

+

47µF

LT1431 • TA08

1431fd



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