LT1185 LINER [Linear Technology], LT1185 Datasheet - Page 16

• Manufacturer Part Number: LT1185
• Description: Low Dropout Regulator
• Manufacturer: LINER [Linear Technology]

RELATED PARTS
TYPICAL APPLICATIO S
LT1185
PART NUMBER
LT1085
LT1117
LT1120A
LT1129
LT1175
LT1585
16
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone] www.linear-tech.com
DESCRIPTION
7.5A Low Dropout Regulator
800mA Low Dropout Regulator with Shutdown
Micropower Regulator with Comparator and Shutdown
200mA Micropower Low Dropout Regulator
500mA Negative Low Dropout Micropower Regulator
4.6A Low Dropout Fast Transient Response Regulator
V
+
–
IN
NOTE: C3 IMPOVES HIGH FREQUENCY RIPPLE REJECTION BY 6dB AT V
AND BY 14dB AT V
WHEN C3 IS USED
Logic Controlled 3A Low-Side Switch with Fault Protection
+
U
C2
2.2 F
TANT
Improved High Frequency Ripple Rejection
V
FB
IN
OUT
REF
REF
= 12V. C1 IS INCREASED TO 4.7 F TO ENSURE GOOD STABILTITY
5V
R
R
4k
LIM
LIM
LT1185
LT1185
V
IN
GND
GND
LT1185 • TA08
V
V
OUT
OUT
FB
LT1185 • TA09
COMMENTS
1V Dropout Voltage
Reverse Voltage and Reverse Current Protection
20 A Supply Current, 2.5V Reference Output
400mV Dropout Voltage, 50 A Supply Current
45 A Supply Current, Adjustable Current Limit
For High Performance Microprocessors
R1
2.37k
R2
LOAD
C3
0.05 F
OUT
= 5V,
1N4001
ADD FOR
INDUCTIVE LOADS
C1
4.7 F
TANT
1185fd LT/GP 0499 2K REV D • PRINTED IN USA
V
OUT
LINEAR TECHNOLOGY CORPORATION 1994
+
–