
16
LT1111
1111fd
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 q FAX: (408) 434-0507 q www.linear.com
LINEAR TECHNOLOGY CORPORATION 1994
LT/TP 0103 1K REV D PRINTED IN USA
RELATED PARTS
U
S
A
O
PPLICATI
TYPICAL
LT1111 TA20
VIN
8V TO 18V
BAT54
L1*
10
H, 3A
220
F
5V
500mA
0.22
51
2k
1N4148
40.2k
121k
OPERATE STANDBY
MTM20P08
MBRD320
* L1 = SUMIDA CDR105-100M
2N3904
LIM
I
FB
GND
LT1111
IN
V
SW1
SW2
+
High Power, Low Quiescent Current Step-Down Converter
PART NUMBER
DESCRIPTION
COMMENTS
LT1070/LT1070HV
5A ISW, 40kHz, High Efficiency
VIN = 3V to 40V/60V, VOUT = 65V/75V, IQ = 6mA, ISD = <50A, Can be Used for
Switching Regulator
Buck, Boost, Inverting Applications, TO220-5 Package
LT1071/LT1071HV
2.5A ISW, 40kHz, High Efficiency
VIN = 3V to 40V/60V, VOUT = 65V/75V, IQ = 6mA, ISD = <50A, Can be Used for
Switching Regulator
Buck, Boost, Inverting Applications, N8, S8, S16, TO220-5 Packages
LT1072/LT1072HV
1.25A ISW, 40kHz, High Efficiency
VIN = 3V to 40V/60V, VOUT = 65V/75V, IQ = 6mA, ISD = <50A, Can be Used for
Switching Regulator
Buck, Boost, Inverting Applications, N8, S8, S16, TO220-5 Packages
LT1082
1A ISW, 60kHz, High Efficiency
VIN = 3V to 75V, VOUT = 100V, IQ = 4.5mA, ISD = ≤120A, Can be Used for
Switching Regulator
Buck, Boost, Inverting Applications, DD, N8, TO220-5 Packages
LT1107
1A ISW, 63kHz, High Efficiency
VIN = 2V to 30V, VOUT = 34V, IQ = 320A, Can be Used for
Switching Regulator
Buck, Boost, Inverting Applications, N8, S8 Packages
LT1170/LT1170HV
5A ISW, 100kHz, High Efficiency
VIN = 3V to 40V/60V, VOUT = 65V/75V, IQ = 6mA, ISD = <50A, Can be Used for
Switching Regulator
Buck, Boost, Inverting Applications, DD, N8, S16, TO220-5 Packages
LT1171/LT1171HV
2.5A ISW, 100kHz, High Efficiency
VIN = 3V to 40V/60V, VOUT = 65V/75V, IQ = 6mA, ISD = <50A, Can be Used for
Switching Regulator
Buck, Boost, Inverting Applications, DD, N8, S16, TO220-5 Packages
LT1172/LT1172HV
1.25A ISW, 100kHz, High Efficiency
VIN = 3V to 40V/60V, VOUT = 65V/75V, IQ = 6mA, ISD = <100A, Can be Used for
Switching Regulator
Buck, Boost, Inverting Applications, DD, N8, S16, TO220-5 Packages
LT1307/LT1307B
600mA ISW, 600kHz, High Efficiency
VIN = 1V to 12V, VOUT = 28V, IQ = 50A/1mA, ISD = ≤1A
Step-Up Switching Regulator
Ideal for Single Cell Applications, Low Battery Detect, MS8, N8, S8 Packages
LT1317/LT1317B
660mA ISW, 600kHz, High Efficiency
VIN = 1.5V to 12V, VOUT = 28V, IQ = 100A/4.8mA, ISD = ≤30A/28A
Step-Up Switching Regulator
Low Battery Detect, MS8, S8 Packages
LT1370/LT1370HV
6A ISW, 500kHz, High Efficiency
VIN = 2.7V to 30V, VOUT = 35V/42V, IQ = 4.5mA, ISD = <12A, Can be Used for
Switching Regulator
Buck, Boost, Inverting Applications, DD, TO220-7 Packages
LT1371/LT1371HV
3A ISW, 500kHz, High Efficiency
VIN = 2.7V to 30V, VOUT = 35V/42V, IQ = 4mA, ISD = <12A, Can be Used for
Switching Regulator
Buck, Boost, Inverting Applications, DD, S20, TO220-7 Packages