LTC1474 LINER [Linear Technology], LTC1474 Datasheet - Page 17

• Manufacturer Part Number: LTC1474
• Description: Low Quiescent Current High Efficiency Step-Down Converters
• Manufacturer: LINER [Linear Technology]

TYPICAL APPLICATIONS
5.7V TO 18V
V
C
4V TO 18V
CC
V
V
IN
IN
+
+
††
* SUMIDA CDRH73-101
†
Figure 16. High Efficiency 3.3V Regulator with Low Battery Lockout
AVX TPSC475M035
AVX TPSC107M006
4.7 F
35V
4.7 F**
35V
OFF
** AVX TPSC475M035
* SUMIDA CDRH73-101
Figure 18. LTC1475 Regulator with 1-Button Toggle On/Off
†
4V TO 18V
U
MMBD914LT1
†
AVX TPSC107M006
Figure 17. Pushbutton On/Off 5V/250mA Regulator
0.1 F
2.2M
1M
1M
V
3.65M
IN
RUN
+
ON
ON/OFF
100k
100k
4.7 F**
35V
6
3
8
SENSE
ON
LBI/OFF
2.2M
1M
6
3
8
100k
LBI
RUN
SENSE
LTC1475-5
GND
8
V
2
LTC1474-3.3
3
IN
4
7
ON
LBO
LBI/OFF
GND
V
IN
SENSE
7
4
V
LBO
OUT
LTC1475-3.3
SW
6
V
GND
LBO
OUT
SW
1
2
5
4
1
2
5
V
IN
7
V
0.1 F
OUT
SW
0.1 F
L*
100 H
D1
MBR0530
1
L*
100 H
5
0.1 F
D1
MBR0530
** AVX TPSC475M035
* SUMIDA CDRH73-101
†
+
L*
100 H
+
AVX TPSC336M010
D1
MBR0530
LTC1474/LTC1475
100 F
6.3V
33 F
10V
+
†
††
100 F
6.3V
1474/75 F16
1474/75 F17
V
5V
250mA
V
3.3V
250mA
OUT
OUT
†
1474/75 F18
V
3.3V
250mA
OUT
17