LTC1627 Linear Technology, LTC1627 Datasheet - Page 14

• Manufacturer Part Number: LTC1627
• Description: Monolithic Synchronous Step-Down Switching Regulator
• Manufacturer: Linear Technology

LTC1627
14
TYPICAL APPLICATIONS
** ZETEX BAT54S
††
* SUMIDA CD54-100
†
AVX TPSC107M006R0150
AVX TPSC226M016R0375
0.1 F
C
47pF
C
SS
ITH
0.1 F
47pF
C
C
ITH
SS
1
2
3
4
U
I
RUN/SS
V
GND
TH
FB
1
2
3
4
LTC1627
I
RUN/SS
V
GND
Single Lithium-Ion to 1.8V/0.3A Regulator
TH
FB
SYNC/FCB
LTC1627
3.3V Input to 2.5V/0.5A Regulator
SYNC/FCB
V
SW
V
DR
IN
V
V
SW
8
7
6
5
DR
IN
8
7
6
5
10 H*
15 H*
80.6k
169k
1%
1%
R1
R2
***
**
* SUMIDA CD54-150
AVX TPSC107M006R0150
AVX TPSC226M016R0375
R1
80.6k
1%
R2
100k
1%
C1
0.1 F
+
+
C
100 F
6.3V
V
2.5V
0.5A
OUT
OUT
†
C
100 F
6.3V
OUT **
V
1.8V
0.3A
OUT
BAT54S**
D1
D2
+
1627 TA01
C
22 F
16V
IN ***
V
IN
C2
0.1 F
1627 TA05
4.2V
+
C
22 F
16V
IN
V
IN
††
= 3.3V