Datasheet

LTC3412
16
3412fb
2.5V, 2.5A Regulator Using All Ceramic Capacitors
8
SGND
C
SS
470pF X7R
7
R
SS
4.7M
RUN
6
SYNC/MODE
R
OSC
309k
5
R
T
R2
110k
4
R3
75k
V
FB
R
ITH
15k
3
C
ITH
1000pF X7R
I
TH
2
PGOODPGOOD
1
SV
IN
9
PV
IN
10
SW
11
SW
12
PGND
LTC3412
13
L1*
1μH
PGND
14
SW
15
SW
16
PV
IN
C1 22pF X5R
C
IN2
22μF
X5R 6.3V
C
IN1
22μF
X5R 6.3V
C
OUT
**
100μF
V
OUT
2.5V
2.5A
V
IN
2.7V TO 5.5V
GND
3412 F05
C
IN3
**
100μF
R1 392k
*
**
TOKO D62CB A920CY-1ROM
TDK C4532X5R0J107M
C
C
100pF
R
PG
100k
8
SGND
C
SS
470pF X7R
7
R
SS
4.7M
RUN
6
SYNC/MODE
R
OSC
309k
5
R
T
R2
110k
R3
75k
4
V
FB
R
ITH
10k
3
C
ITH
560pF X7R
I
TH
2
PGOODPGOOD
1
SV
IN
9
PV
IN
10
SW
11
SW
12
PGND
LTC3412
13
PGND
14
SW
15
SW
16
PV
IN
C
IN2
22μF**
C
IN1
**
22μF
C
OUT
**
22μF
×2
V
OUT
1.8V
2A
V
IN
3.3V
GND
R1 232k
3412 TA05
L1
1μH*
*
**
SUMIDA CR431R0
AVX 12066D226MAT
C2
47pF
C1 22pF X5R
R
PG
100k
1.8V, 2.5A Step-Down Regulator at 1MHz, Burst Mode Operation
TYPICAL APPLICATIO S
U