Datasheet

LTC3412A
17
3412afe
typicAl ApplicAtions
3.3V, 3A Step-Down Regulator at 2MHz, Forced Continuous Mode Operation
2.5V, 3A Step-Down Regulator Synchronized to 1.8MHz
8
SGND
C
SS
1000pF X7R
7
R
SS
2.2M
RUN
6
SYNC/MODE
R
OSC
137k
5
R
T
R2
200k
4
V
FB
R
ITH
7.5k
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
×2
V
OUT
3.3V
3A
V
IN
5V
GND
R1 634k
3412 TA03
L1*
0.47µH
*
**
VISHAY IHLP-2525CZ-01
TDK C4532X5R0J107M
C
C
47pF
C1 22pF X5R
C
IN3
**
100µF
R
PG
100k
8
SGND
C
SS
1000pF X7R
7
R
SS
2.2M
RUN
6
SYNC/MODE
1.8MHz
EXT CLOCK
R
OSC
182k
5
R
T
R2 162k
4
V
FB
R
ITH
6.49k
R
PG
100k
3
C
ITH
220pF X7R
I
TH
2
PGOODPGOOD
1
SV
IN
9
PV
IN
10
SW
11
SW
12
PGND
LTC3412A
EFE
13
L1*
0.47µH
PGND
14
SW
15
SW
16
PV
IN
C
IN2
22µF
X5R 6.3V
C
IN1
22µF
X5R 6.3V
C
OUT
**
150µF
V
OUT
1.5V
3A
V
IN
3.3V
GND
R1 392k
3412 TA04
*
**
COOPER SD20-R47
SANYO POSCAP 4TPE150MAZB
C
C
22pF
C1 22pF X5R
+