12
LT1117/LT1117-2.85
LT1117-3.3/LT1117-5
LINEAR TECHNOLOGY CORPORATION 1993
1117fc LT/TP 0500 2K REV C PRINTED IN USA
High Efficiency Regulator
2k
OUTPUT
ADJUST
240
100
μ
F
470
1N914
4N28
–
+
1N914
1k
MR1122
10k
28V INPUT
1mH
10,000
μ
F
1M
10k
10k
LT1011
LT1117 TA14
28V
OUTPUT
28V
LT1117
IN
ADJ
OUT
+
+
TYPICAL APPLICATIO
U
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
G
FAX: (408) 434-0507
G
www.linear-tech.com
RELATED PARTS
PART NUMBER
LT1120
LT1121
LT1129
LT1175
LT1374
LT1521
LT1573
LT1575
LT1735
LT1761 Series
LT1762 Series
LT1763 Series
LT1764 Series
LT1962
LT1963
UltraFast and OPT-LOOP are trademarks of Linear Technology Corporation.
DESCRIPTION
125mA Low Dropout Regulator with 20
μ
A I
Q
150mA Micropower Low Dropout Regulator
700mA Micropower Low Dropout Regulator
500mA Negative Low Dropout Micropower Regulator
4.5A, 500kHz Step-Down Converter
300mA Low Dropout Micropower Regulator with Shutdown
UltraFast
TM
Transient Response Low Dropout Regulator
UltraFast Transient Response Low Dropout Regulator
Synchronous Step-Down Converter
100mA, Low Noise, Low Dropout Micropower Regulators in SOT-23
150mA, Low Noise, LDO Micropower Regulators
500mA, Low Noise, LDO Micropower Regulators
3A, Low Noise, Fast Transient Response LDO
300mA, Low Noise, LDO Micropower Regulator
1.5A, Low Noise, Fast Transient Response LDO
COMMENTS
Includes 2.5V Reference and Comparator
30
μ
A I
Q
, SOT-223 Package
50
μ
A Quiescent Current
45
μ
A I
Q
, 0.26V Dropout Voltage, SOT-223 Package
4.5A, 0.07
Internal Switch, SO-8 Package
15
μ
A I
Q
, Reverse Battery Protection
Drives External PNP
Drives External N-Channel MOSFET
High Efficiency, OPTI-LOOP
TM
Compensation
20
μ
A Quiescent Current, 20
μ
V
RMS
Noise, SOT-23 Package
25
μ
A Quiescent Current, 20
μ
V
RMS
Noise, MSOP Package
30
μ
A Quiescent Current, 20
μ
V
RMS
Noise, SO-8 Package
40
μ
V
RMS
Noise, DD and TO-220 Packages
20
μ
V
RMS
Noise, MSOP Package
40
μ
V
RMS
Noise, SOT-223 Package