LTC3414IFE Datasheet, PDF (14/16 Pages) Linear Technology – 4A, 4MHz, Monolithic Synchronous Step-Down Regulator

LTC3414
TYPICAL APPLICATIO S
3.3V, 4A Step-Down Regulator at 1MHz, Forced Continuous Mode
1
PGND
R_OSC
294k ₂
RT
20
PGND
19
V_FB
R_SS
2.2M
C_SS
1000pF
X7R
3
18
SYNC/MODE ITH
4
17
RUN/SS PGOOD
5
SGND
16
SV_IN
LTC3414
6
15
NC
NC
+
C_IN2***
150μF
7
PV_IN
8
SW
9
SW
14
PV_IN
13
SW
12
SW
10
PGND
11
PGND
* MURATA LQH66SNR68M03L
** TDK C4532X5ROJ107M
*** SANYO POSCAP 6TPE150M
C_C
100pF
X7R
C_ITH
470pF
X7R
R_ITH
12.1k
R2
200k
R1
634k
RPG
100k
C_IN1
22μF
X5R
2x
C1
22pF
X7R
PGOOD
V_IN
5V
L1*
0.68μH
V_OUT
3.3V
4A
C_OUT**
100μF
2x
3413 F05
2.5V, 4A Step-Down Regulator at 1.25MHz, Synchronized to an External Clock
1
PGND
R_OSC
294k ₂
RT
20
PGND
19
V_FB
1.25MHz
CLOCK
3
SYNC/MODE
18
I_TH
R_SS
2.2M
C_SS
4
17
RUN/SS PGOOD
1000pF
X7R
5
SGND
16
SV_IN
LTC3414
6
15
NC
NC
+ _CIN2***
220μF
7
PV_IN
8
SW
9
SW
14
PV_IN
13
SW
12
SW
10
PGND
11
PGND
* VISHAY DALE IHLP-2525CZ-01
** TDK C4532X5ROJ107M
*** SANYO POSCAP 4TPB220M
C_C
100pF
X7R
C_ITH
470pF
X7R
R_ITH
12.1k
R2
200k
R1
422k
RPG
100k
C_IN1**
100μF
2x
C1
22pF
X7R
PGOOD
V_IN
3.3V
L1*
0.47μH
V_OUT
2.5V
4A
C_OUT**
100μF
2x
3413 F06
14
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