LTC3412
U
W
U U
APPLICATIO S I FOR ATIO
V
IN
2.7V TO 4.2V
C
22pF X5R
R1 392k
FB
††
C
IN1
220μF
1
16
SV
PV
IN
IN
R
PG
100k
2
3
15
14
13
12
11
10
9
PGOOD
PGOOD
SW
SW
R
C
680pF X7R
ITH
7.15k
ITH
I
TH
C
C
LTC3412
100pF
L1*
1μH
PGND
PGND
SW
V
4
5
OUT
V
FB
2.5V
2.5A
R2
110k
R3
75k
R
†
T
C
OUT2
10μF
R
OSC
SYNC/MODE
309k
6
7
R
SS
4.7M
+
C
**
OUT1
100μF
×2
RUN
SW
C
SS
470pF X7R
8
SGND
PV
IN
C
IN2
22μF
GND
X5R 6.3V
3412 F04
*TOKO D62CB A920CY-1ROM
**SANYO POSCAP 4TPB100M
†
TAIYO YUDEN LMK325BJ106MN
SANYO POSCAP 2R5TPC220M
††
Figure 4. Single Lithium-Ion to 2.5V, 2.5A Regulator at 1MHz, Burst Mode Operation Using POSCAPs
3412fb
15
Linear [ Linear ]
