ltm4612 Linear Technology Corporation, ltm4612 Datasheet - Page 19
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ltm4612
Manufacturer Part Number
ltm4612
Description
Ultralow Noise 36vin, 15vout, 5a, Dc/dc ?module
Manufacturer
Linear Technology Corporation
Datasheet
1.LTM4612.pdf
(24 pages)
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APPLICATIONS INFORMATION
124k
R5
C11
0.1μF
26V TO 36V
OSCILLATOR
V
GND
SET
20V TO 36V
LTC6908-1
2-PHASE
+
OUT1
OUT2
V
MOD
IN
V
IN
C
10μF
50V
CERAMIC
+
IN
Figure 20. 26V to 36V
806k, 1%
R
fSET
C5
100μF
50V
10μF
R4
100k
50V
C2
V
OUT
R3
100k
C4
0.01μF
C8
10μF
50V
ON/OFF
Figure 21. 2-Phase, Parallel 12V at 10A Design
R4
100k
V
OUT
V
PGOOD
RUN
COMP
INTV
DRV
f
TRACK/SS
SET
D
R2
100k
SGND
CC
C1
10μF
50V
CC
IN
, 15V at 4A Design with Reduced Frequency
LTM4612
V
IN
PGND
MARG0
MARG1
MPGM
PLLIN
V
FCB
CLOCK SYNC
OUT
V
C7
0.33μF
FB
PGOOD
RUN
COMP
INTV
DRV
f
TRACK/SS
PGOOD
RUN
COMP
INTV
DRV
f
TRACK/SS
V
V
SET
SET
D
D
R1
392k
5% MARGIN
SGND
SGND
CC
CC
C1
10μF
50V
C11
10μF
50V
CC
CC
MARGIN
CONTROL
LTM4612
LTM4612
V
V
IN
IN
4612 F20
PGND
PGND
MARG0
MARG1
MARG0
MARG1
MPGM
MPGM
PLLIN
PLLIN
V
V
FCB
FCB
OUT
5% MARGIN
OUT
V
V
R
4.12k
CLOCK SYNC
180° PHASE
FB
FB
FB
CLOCK SYNC
0° PHASE
C3
22pF
4612 F21
R1
392k
R6
392k
C
22μF
16V
OUT1
V
MARGIN
CONTROL
OUT
47pF
C6
+
= 0.6V •
C
220μF
16V
R
2.61k
OUT2
FB
100k/N + R
LTM4612
R
V
15V
4A
C3
22μF
16V
C9
22μF
16V
FB
OUT
FB
+
+
C10
220μF
16V
C4
220μF
16V
19
V
12V, 10A
OUT
4612f