Linear Technology EN55022B, Руководство пользователя

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LTM4612
22
4612fc
For more information www.linear.com/LTM4612
Figure 21. 2-Phase, Parallel 12V at 10A Design
Figure 20. 26V to 36V
IN
, 15V at 4A Design with Reduced Frequency
PGOOD
RUN
COMP
INTV
CC
DRV
CC
f
SET
TRACK/SS
FCB
MARG0
MARG1
MPGM
V
OUT
V
FB
PULL-UP SUPPLY ≤ 5V
R3
100k
C4
0.01µF
C3
22pF
C
OUT1
22µF
16V
C
OUT2
220µF
16V
C
IN
10µF
50V
CERAMIC
V
IN
26V TO 36V
CLOCK SYNC
ON/OFF
LTM4612
SGND PGND
MARGIN
CONTROL
R4
100k
R
FB
4.12k
R
fSET
806k, 1%
R1
392k
5% MARGIN
+
4612 F20
V
D
V
IN
PLLIN
C1
10µF
50V
V
OUT
15V
4A
APPLICATIONS INFORMATION
PGOOD
RUN
COMP
INTV
CC
DRV
CC
f
SET
TRACK/SS
V
OUT
V
FB
FCB
MARG0
MARG1
MPGM
PULL-UP SUPPLY ≤ 5V
R2
100k
C7
0.33µF
C6
47pF
C3
22µF
16V
4612 F21
C4
220µF
16V
C11
0.1µF
C5
100µF
50V
C2
10µF
50V
C8
10µF
50V
V
IN
20V TO 36V
LTC6908-1
2-PHASE
OSCILLATOR
CLOCK SYNC
0° PHASE
CLOCK SYNC
180° PHASE
LTM4612
SGND PGND
PGOOD
RUN
COMP
INTV
CC
DRV
CC
f
SET
TRACK/SS
LTM4612
SGND PGND
MARGIN
CONTROL
5% MARGIN
R4
100k
R
FB
2.61k
R1
392k
R5
124k
V
+
GND
SET
OUT1
OUT2
MOD
+
V
OUT
V
FB
FCB
MARG0
MARG1
MPGM
C9
22µF
16V
C10
220µF
16V
R6
392k
+
+
R
FB
=
100k/N
V
OUT
0.6V
– 1
V
D
V
IN
PLLIN
C1
10µF
50V
V
D
V
IN
PLLIN
C11
10µF
50V
V
OUT
12V, 10A