16
LT1111
1111fd
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
LINEAR TECHNOLOGY CORPORATION 1994
LT/TP 0103 1K REV D • PRINTED IN USA
RELATED PARTS
U
SA
O
PP
L
IC
AT
ITY
P
I
CA
L
LT1111 • TA20
V
IN
8V TO 18V
BAT54
L1*
10µH, 3A
220µF
5V
500mA
0.22Ω
51Ω2k
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 I
SW
, 40kHz, High Efficiency V
IN
= 3V to 40V/60V, V
OUT
= 65V/75V, I
Q
= 6mA, I
SD
= <50µA, Can be Used for
Switching Regulator Buck, Boost, Inverting Applications, TO220-5 Package
LT1071/LT1071HV 2.5A I
SW
, 40kHz, High Efficiency V
IN
= 3V to 40V/60V, V
OUT
= 65V/75V, I
Q
= 6mA, I
SD
= <50µA, Can be Used for
Switching Regulator Buck, Boost, Inverting Applications, N8, S8, S16, TO220-5 Packages
LT1072/LT1072HV 1.25A I
SW
, 40kHz, High Efficiency V
IN
= 3V to 40V/60V, V
OUT
= 65V/75V, I
Q
= 6mA, I
SD
= <50µA, Can be Used for
Switching Regulator Buck, Boost, Inverting Applications, N8, S8, S16, TO220-5 Packages
LT1082 1A I
SW
, 60kHz, High Efficiency V
IN
= 3V to 75V, V
OUT
= 100V, I
Q
= 4.5mA, I
SD
= ≤120µA, Can be Used for
Switching Regulator Buck, Boost, Inverting Applications, DD, N8, TO220-5 Packages
LT1107 1A I
SW
, 63kHz, High Efficiency V
IN
= 2V to 30V, V
OUT
= 34V, I
Q
= 320µA, Can be Used for
Switching Regulator Buck, Boost, Inverting Applications, N8, S8 Packages
LT1170/LT1170HV 5A I
SW
, 100kHz, High Efficiency V
IN
= 3V to 40V/60V, V
OUT
= 65V/75V, I
Q
= 6mA, I
SD
= <50µA, Can be Used for
Switching Regulator Buck, Boost, Inverting Applications, DD, N8, S16, TO220-5 Packages
LT1171/LT1171HV 2.5A I
SW
, 100kHz, High Efficiency V
IN
= 3V to 40V/60V, V
OUT
= 65V/75V, I
Q
= 6mA, I
SD
= <50µA, Can be Used for
Switching Regulator Buck, Boost, Inverting Applications, DD, N8, S16, TO220-5 Packages
LT1172/LT1172HV 1.25A I
SW
, 100kHz, High Efficiency V
IN
= 3V to 40V/60V, V
OUT
= 65V/75V, I
Q
= 6mA, I
SD
= <100µA, Can be Used for
Switching Regulator Buck, Boost, Inverting Applications, DD, N8, S16, TO220-5 Packages
LT1307/LT1307B 600mA I
SW
, 600kHz, High Efficiency V
IN
= 1V to 12V, V
OUT
= 28V, I
Q
= 50µA/1mA, I
SD
= ≤1µA
Step-Up Switching Regulator Ideal for Single Cell Applications, Low Battery Detect, MS8, N8, S8 Packages
LT1317/LT1317B 660mA I
SW
, 600kHz, High Efficiency V
IN
= 1.5V to 12V, V
OUT
= 28V, I
Q
= 100µA/4.8mA, I
SD
= ≤30µA/28µA
Step-Up Switching Regulator Low Battery Detect, MS8, S8 Packages
LT1370/LT1370HV 6A I
SW
, 500kHz, High Efficiency V
IN
= 2.7V to 30V, V
OUT
= 35V/42V, I
Q
= 4.5mA, I
SD
= <12µA, Can be Used for
Switching Regulator Buck, Boost, Inverting Applications, DD, TO220-7 Packages
LT1371/LT1371HV 3A I
SW
, 500kHz, High Efficiency V
IN
= 2.7V to 30V, V
OUT
= 35V/42V, I
Q
= 4mA, I
SD
= <12µA, Can be Used for
Switching Regulator Buck, Boost, Inverting Applications, DD, S20, TO220-7 Packages
