Datasheet

LTC3412A
16
3412afe
typicAl ApplicAtions
1.2V, 3A, 1.5MHz 1mm Height Regulator Using All Ceramic Capacitors
1.8V, 3A Step-Down Regulator at 1MHz, Burst Mode Operation
2
SGND
C
SS
1000pF X7R
1
R
SS
2.2M
RUN
16
SYNC/MODE
R
OSC
196k
15
R
T
R2
187k
14
V
FB
R
ITH
6.34k
13
C
ITH
1000pF X7R
I
TH
12
PGOODPGOOD
11
SV
IN
3
PV
IN
4
SW
5
SW
6
PGND
LTC3412A
EUF
7
L1*
0.47µH
PGND
8
SW
9
SW
10
PV
IN
C1 22pF X5R
C
IN2
10µF
X5R 6.3V
C
IN1
10µF
X5R 6.3V
C
OUT
**
22µF
X3
V
OUT
1.2V
3A
V
IN
3.3V
GND
3412 TA01
R1 95.3k
*
**
COOPER SD10-R47
TAIYO YUDEN AMK212BJ226MD-B
C
C
22pF
R
PG
100k
8
SGND
C
SS
1000pF X7R
7
R
SS
2.2M
RUN
6
SYNC/MODE
R
OSC
294k
5
R
T
R2
69.8k
R3
115k
4
V
FB
R
ITH
15k
3
C
ITH
820pF X7R
I
TH
2
PGOODPGOOD
1
SV
IN
9
PV
IN
10
SW
11
SW
12
PGND
LTC3412A
EFE
13
PGND
14
SW
15
SW
16
PV
IN
C
IN2
22µF
X5R 6.3V
C
IN1
22µF
X5R 6.3V
C
OUT
**
100µF
×3
V
OUT
1.8V
3A
V
IN
2.5V
GND
R1 232k
3412 TA02
L1
0.47µH*
*
**
VISHAY IHLP-2525CZ-01
TDK C4532X5R0J107M
C2
47pF
C1 47pF X5R
R
PG
100k
C
IN3
**
100µF