LT1431C Linear Technology, LT1431C Datasheet - Page 7

• Manufacturer Part Number: LT1431C
• Description: Programmable Reference
• Manufacturer: Linear Technology

TYPICAL APPLICATIO S
Measured Dropout Voltages
I
LOAD
0.5A
2A
1A
MTP50N05EL
11.5mV
47mV
22mV
V
V
IN
IN
MTM25N05L
5.2V
145mV
73mV
37mV
U
0.1 F
FET Low Dropout 5V Regulator with Current Limit
+
47 F
**MAY BE INCREASED AT LOWER WATTAGE
3
4
*NO SHORT-CIRCUIT PROTECTION
FOR LOWER OUTPUT CURRENTS
PNP Low Dropout 5V Regulator*
V
R
GND-S
+
*1.5" #23 SOLID COPPER WIRE
COMP
TOP
MEASURED DROPOUT VOLTAGE
~0.002
3
4
1k
2
5
V
R
150
GND-S
+
TOP
LT1431
0.015 F
5
60mV AT 0.5A
420mV AT 4A
190mV AT 2A
95mV AT 1A
LT1431
3A LIMIT
GND-F
COLL
MTP50N05EL
MTM25N05L
1
R
6
D
REF
MID
GND-F
COLL
G
1
R
6
8
7
REF
MID
S
1.5V
2N2219
8
7
1N4148
20 **
2W
12V
7
47
–
0.002 *
2
LT1006
6
MJE2955
+
LT1431 • TA07
+
5
330 F
3
5V
4
LT1431 • TA08
+
47 F
5V, 2.5A
LT1431
7