LTC1771 LINER [Linear Technology], LTC1771 Datasheet - Page 14

• Manufacturer Part Number: LTC1771
• Description: Low Quiescent Current High Efficiency Step-Down DC/DC Controller
• Manufacturer: LINER [Linear Technology]

LTC1771
14
TYPICAL APPLICATIONS
U1: INTERNATIONAL RECTIFIER
220pF
220pF
FETKY
10k
1M
1%
TM
10k
1%
1M
0.01 F
0.01 F
IRF7422D2
1
2
3
4
1
2
3
4
U
RUN/SS
I
V
GND
TH
RUN/SS
I
V
GND
FB
TH
FB
LTC1771
LTC1771
2.5V/1A Regulator with Foldback Current Limit
1.02M
4.69M
5pF
1%
5pF
1%
SENSE
PGATE
MODE
SENSE
PGATE
MODE
V
V
IN
IN
8
7
6
5
4-NiCd Battery Charger
8
7
6
5
MODE
MODE
1000pF
1000pF
4
5
3
6
R
Si6447DQ
0.1
SENSE
UPS5817
2
7
R
+
0.1
47 H
SENSE
1
8
C
22 F
25V
IN
U1
22 H
+
+
+
C
22 F
25V
C
100 F
10V
I
IN
OUT
TH
1N4148
1771 TA06
UPS5817
C
150 F
6.3V
2
OUT
1771 TA07
V
2.5V
1A
V
2.8V
TO 12V
V
8V
TO 18V
V
4-NiCd
1A
OUT
IN
IN
OUT