Datasheet

18
LTC1174
LTC1174-3.3/LTC1174-5
1174fe
Automatic Current Selection
Buck-Boost Converter
TYPICAL APPLICATIO S
U
1174 TA13
INPUT
VOLTAGE
6V TO 12.5V
3
LTC1174-5
LB
IN
LB
OUT
I
PGM
GND
V
IN
SHUTDOWN
V
OUT
SW
2
7
6
8
1
5
4
50µH
†
V
OUT
5V
0mA TO
320mA
100µF*
20V
100µF*
16V
1N5818
100k
*
†
SANYO OS-CON CAPACITOR
COILTRONICS CTX50-4
0.1µF
100k
36.5k
TPO610L
100k
+
+
1174 TA14
INPUT VOLTAGE
4V TO 12V
3
LTC1174HV-5
LB
IN
LB
OUT
I
PGM
GND
V
IN
SHUTDOWN
V
OUT
SW
2
7
6
8
1
5
4
3.3µF**
L1A
†
100µH
1
2
L2A
†
100µH
4
3
V
OUT
5V
160mA
0.1µF
*
**
†
SANYO OS-CON
WIMA MKS2
COILTRONICS CTX100-4
100µF*
20V
L1A
L1B
23
4
1
CTX100-4
100µF*
16V
1N5818
+
+