LTM4628
TYPICAL APPLICATIONS
INTV CC
C10
4.7μF
R2
10k
PGOOD1
7V TO 16V
INTERMEDIATE
BUS
R1
10k
C IN1
22μF
25V
C IN2
22μF
25V
C IN3
22μF
25V
R6
120k
MODE_PLLIN
V IN
TEMP
RUN1
CLKOUT INTV CC
EXTV CC PGOOD1
V OUT1
V OUTS1
SW1
C OUT1
100μF
6.3V
C OUT2
470μF
6.3V
1.5V AT 8A
RUN2
V FB1
D1
5.1V ZENER
TRACK1
C5
0.1μF
TRACK2
C9
0.1μF
R4
100k
TRACK1
TRACK2
f SET
PHASMD
LTM4628
V FB2
COMP1
COMP2
V OUTS2
V OUT2
SW2
C FF
100pF
1.2V
INTV CC
10k
R8
60.4k
C4
100μF
6.3V
R6
40.2k
1.2V AT 8A
C7
470μF
6.3V
PGOOD2
PGOOD2
SGND
GND
DIFFP
DIFFN
DIFFOUT
4628 F28
Figure 28. 7V IN to 16V IN , 1.5V and 1.2V Outputs
INTV CC
C10
4.7μF
R2
5k
7V TO 16V
INTERMEDIATE BUS
MODE_PLLIN
CLKOUT INTV CC
EXTV CC PGOOD1
PGOOD1
R1
10k
C3
22μF
25V
C11
22μF
25V
C2
22μF
25V
C1
22μF
25V
R6
120k
V IN
TEMP
RUN1
V OUT1
V OUTS1
SW1
C6
100μF
6.3V
+
C8
470μF
6.3V
RUN2
V FB1
D1
5.1V ZENER
TRACK1
C9
0.1μF
R4
100k
TRACK1
TRACK2
f SET
PHASMD
LTM4628
V FB2
COMP1
COMP2
V OUTS2
V OUT2
SW2
PGOOD2
R5
40.2k
PGOOD1
C4
100μF
6.3V
+
C7
470μF
6.3V
1.5V
AT 16A
SGND
GND
DIFFP
DIFFN
DIFFOUT
4628 F29
Figure 29. Two Phases, 1.5V at 16A Design
4628fe
For more information www.linear.com/LTM4628
29
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