LTC1174_06 Datasheet, PDF (18/20 Pages) Linear Technology – High Efficiency Step-Down and Inverting DC/DC Converter

LTC1174
LTC1174-3.3/LTC1174-5
TYPICAL APPLICATIO S
Automatic Current Selection
INPUT
VOLTAGE
6V TO 12.5V
+
100µF*
20V
TPO610L
0.1µF
100k
100k
2 _LBOUT
6
V_IN
8
SHUTDOWN
7 _IPGM
1
V_OUT
3
LTC1174-5
LB_IN
SW
5
GND
4
50µH^†
+
1N5818
100µF*
16V
100k
36.5k
V_OUT
5V
0mA TO
320mA
* SANYO OS-CON CAPACITOR
† _{COILTRONICS CTX50-4}
1174 TA13
Buck-Boost Converter
INPUT VOLTAGE
4V TO 12V
* SANYO OS-CON
** WIMA MKS2
† _{COILTRONICS CTX100-4}
32
L1B
CTX100-4
L1A
41
7 _IPGM
6
V_IN
8
SHUTDOWN
+
0.1µF
3 _LBIN
1
V_OUT
2
LTC1174HV-5
LB_OUT
SW
5
GND
4
4
3
3.3µF**
L2A^†
100µH
100µF*
20V
1 L1A^† 2
100µH ₊
1N5818
1174 TA14
V_OUT
5V
160mA
100µF*
16V
1174fe
18