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| LTC3412A Datasheet, PDF (16/20 Pages) Linear Technology – 3A, 4MHz, Monolithic Synchronous Step-Down Regulator | |||
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LTC3412A
TYPICAL APPLICATIO S
1.2V, 3A, 1.5MHz 1mm Height Regulator Using All Ceramic Capacitors
VIN
3.3V
C1 22pF X5R
R1 95.3k
11 SVIN
PVIN 10
RPG
100k
PGOOD
CITH 1000pF X7R
RITH
6.34k
CC
22pF
12 PGOOD
SW 9
13 ITH
14 VFB
SW 8
LTC3412A
EUF PGND 7
R2
187k
15 RT
PGND 6
RSS
2.2M
ROSC
196k
16 SYNC/MODE
1
RUN
SW 5
4
SW
CSS
1000pF X7R 2 SGND
PVIN 3
CIN1
10μF
X5R 6.3V
L1*
0.47μH
VOUT
1.2V
3A
COUT**
22μF
X3
CIN2
10μF
GND
X5R 6.3V
*COOPER SD10-R47
**TAIYO YUDEN AMK212BJ226MD-B
3412 TA01
16
1.8V, 3A Step-Down Regulator at 1MHz, Burst Mode Operation
VIN
CIN3**
C1 47pF X5R
2.5V
100μF
R1 232k
1
SVIN
RPG
100k
PGOOD
CITH 820pF X7R
RITH
15k
C2
47pF
R3
R2
2 PGOOD
3 ITH
4 VFB
LTC3412A
EFE
115k
69.8k
5
RT
ROSC
RSS
294k
6 SYNC/MODE
2.2M
7 RUN
CSS
1000pF X7R 8 SGND
PVIN
SW
SW
PGND
PGND
SW
SW
PVIN
16
15
14
13
12
11
10
9
CIN2
22μF
X5R 6.3V
*VISHAY IHLP-2525CZ-01
**TDK C4532X5R0J107M
CIN1
22μF
X5R 6.3V
L1
0.47μH*
VOUT
1.8V
3A
COUT**
100μF
Ã3
3412 TA02 GND
3412afc
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