LTC3418 Datasheet, PDF (16/20 Pages) Linear Technology – 8A, 4MHz, Monolithic Synchronous Step-Down Regulator

LTC3418
TYPICAL APPLICATIO S
3.3V, 8A Step-Down Regulator Synchronized to 1.25MHz
V_IN
5V
R_SVIN
100Ω
C_IN
100µF
×2
R_SS R_PG
2.2M 100k
C_SVIN
1µF
X7R CSS
1000pF
X7R
3
PV_IN
4
PV_IN
9
PV_IN
10
PV_IN
22
PV_IN
23
PV_IN
28
PV_IN
29
PV_IN
24
SV_IN
1
SW
2
SW
11
SW
12
SW
20
SW
21
SW
30
SW
31
SW
25
V_FB
LTC3418
35
TRACK
5
PGOOD
16
V_REF
38
PGND
7
RUN/SS
37
PGND
C_ITH
R_ITH
2k
2200pF
X7R C1
47pF
26
R_OSC 69.8k ₆
8
13
I_TH
R_T
SGND
PGND
36
PGND
34
PGND
33
PGND
32
PGND
X7R
14
19
PGND
PGND
15
PGND
18
PGND
27
17
SYNC/MODE PGND
L1
0.33µH
C1
1000pF
X7R
R1
6.34k
R2
2k
C_OUT
100µF
×3
V_OUT
3.3V
8A
C_REF
V_REF
2.2µF
X7R
1.25MHz CLOCK
C_IN, C_OUT: TDK C3225X5R0J107M
L1: VISHAY DALE IHLP-2525CZ-01
3418 TA02
16
1.2V, 8A Step-Down Regulator at 2MHz, Forced Continuous Mode
V_IN
3.3V
R_SVIN
100Ω
C_IN
100µF
×4
R_SS R_PG
2.2M 100k
C_SVIN
1µF
X7R
C_SS
1000pF
X7R
3
PV_IN
4
PV_IN
9
PV_IN
10
PV_IN
22
PV_IN
23
PV_IN
28
PV_IN
29
PV_IN
24
SV_IN
1
SW
2
SW
11
SW
12
SW
20
SW
21
SW
30
SW
31
SW
25
V_FB
LTC3418
35
TRACK
27
SYNC/MODE
16
V_REF
38
PGND
5
PGOOD
37
PGND
7
RUN/SS
36
PGND
C_ITH
R_ITH
4.99k
2200pF
X7R C1
47pF
26
R_OSC 30.1k ₆
8
14
I_TH
R_T
SGND
PGND
34
PGND
33
PGND
32
PGND
19
PGND
X7R
15
18
PGND
PGND
13
PGND
17
PGND
L1
0.2µH
C1
R1
1000pF
X7R
1k
R2
2k
C_OUT
100µF
×3
V_OUT
1.2V
8A
C_REF
2.2µF
X7R
V_REF
C_IN, C_OUT: AVX 12106D107MAT
L1: COOPER FP3-R20
3418 TA03
3418f