Datasheet

14
LTC1707
C
SS
0.1µF
C
OUT
†
100µF
6.3V
C
IN
**
10µF
CERAMIC
10µH*
* SUMIDA CD54-100
** TAIYO YUDEN LMK325BJ106K-T
†
AVX TPSC107M006R0150
R2
169k
1%
R1
80.6k
1%
C
ITH
47pF
1
2
3
4
8
7
6
5
V
REF
SYNC/MODE
V
IN
SW
I
TH
RUN/SS
V
FB
GND
LTC1707
V
IN
= 3.3V
V
OUT
2.5V
0.4A
1707 TA03
+
3.3V Input to 2.5V/0.4A Regulator
Double Lithium-Ion to 2.5V/0.5A Regulator
C
ITH
47pF
C
SS
0.1µF
25µH*
1
2
3
4
8
7
6
5
V
REF
SYNC/MODE
V
IN
SW
I
TH
RUN/SS
V
FB
GND
LTC1707
V
IN
≤ 8.4V
V
OUT
2.5V
0.5A
1707 TA05
+
+
C
OUT
**
100µF
6.3V
C
IN
***
22µF
16V
R2
169k
1%
R1
80.6k
1%
* SUMIDA CD54-250
** AVX TPSC107M006R0150
*** AVX TPSC226M016R0375
TYPICAL APPLICATIO S
U