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LT1431CS8 Datasheet(PDF) 7 Page - Linear Technology

Part # LT1431CS8
Description  Programmable Reference
PDF  12 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT1431CS8 Datasheet(HTML) 7 Page - Linear Technology

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7
LT1431
TYPICAL APPLICATIO S
PNP Low Dropout 5V Regulator*
0.015
µF
150
Ω
LT1431 • TA07
COLL
REF
LT1431
GND-F
COMP
GND-S
V+
RMID
RTOP
21
56
8
7
20
Ω**
2W
47
Ω
1k
MJE2955
+
5V
330
µF
0.1
µF
2N2219
VIN
3
4
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
1.5V
LT1431 • TA08
8
7
3
4
56
1
COLL
REF
LT1431
GND-F
GND-S
V+
RMID
RTOP
1N4148
7
6
LT1006
23
–
+
4
5
0.002
Ω*
+
47
µF
MTP50N05EL
MTM25N05L
DS
G
VIN ≥ 5.2V
+
47
µF
5V, 2.5A
12V
ILOAD
2A
1A
0.5A
MTP50N05EL
47mV
22mV
11.5mV
MTM25N05L
145mV
73mV
37mV
*1.5" #23 SOLID COPPER WIRE
~0.002
Ω → 3A LIMIT
Measured Dropout Voltages
FET Low Dropout 5V Regulator with Current Limit



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