Datasheet

LTM4603/LTM4603-1
23
4603fb
4-Phase, Four Outputs (3.3V, 2.5V, 1.8V and 1.5V) with Coincident Tracking
V
OUT
V
FB
MARG0 MARG1
V
OUT_LCL
DIFFV
OUT
V
OSNS
+
V
OSNS
–
PGOOD MPGM RUN COMP INTV
CC
DRV
CC
TRACK/SSPLLIN
LTM4603
R9 392k
R11
100k
R10
100k
R18 19.1k
C16 22µF 6.3V
C14 10µF 25V ×2
3.3V
2.5V AT 6A
R23
60.4k
C15 470µF 6.3V
MARGIN CONTROL
CLOCK SYNC 2
C18 100pF
REFER TO
TABLE 2
V
IN
f
SETPGNDSGND
5% MARGIN
+
PGOOD
3.3V
8V TO 16V
ON/OFF
V
OUT
V
FB
MARG0 MARG1
V
OUT_LCL
DIFFV
OUT
V
OSNS
+
V
OSNS
–
PGOOD MPGM RUN COMP INTV
CC
DRV
CC
TRACK/SSPLLIN
LTM4603
R14 392k
R16
100k
R15
100k
R13 40.2k
C16 22µF 6.3V
C14 10µF 25V ×2
3.3V
R25
60.4k
C15 470µF 6.3V
MARGIN CONTROL
1.5V AT 6A
CLOCK SYNC 4
C24 100pF
REFER TO
TABLE 2
V
IN
f
SETPGNDSGND
5% MARGIN
+
PGOOD
8V TO 16V
3.3V
ON/OFF
V
OUT
V
FB
MARG0 MARG1
V
OUT_LCL
DIFFV
OUT
V
OSNS
+
V
OSNS
–
PGOOD MPGM RUN COMP INTV
CC
DRV
CC
TRACK/SSPLLIN
LTM4603
R1 392k
R3
100k
R2
100k
R12 30.1k
C3 22µF 6.3V
C2 10µF 25V ×2
3.3V
R21
60.4k
R19 30.1k
C4 470µF 6.3V
MARGIN CONTROL
1.8V AT 6A
CLOCK SYNC 3
C8 100pF
REFER TO
TABLE 2
V
IN
f
SETPGNDSGND
5% MARGIN
+
PGOOD
8V TO 16V
ON/OFF
R17
59k
C26 0.1µF
LTC6902
4-PHASE
OSCILLATOR
3.3V AT 5A
V
+
DIV PH OUT1 OUT2
SET
MOD
GND
OUT4 OUT3
V
OUT
V
FB
MARG0 MARG1
V
OUT_LCL
DIFFV
OUT
V
OSNS
+
V
OSNS
–
PGOOD MPGM RUN COMP INTV
CC
DRV
CC
TRACK/SSPLLIN
LTM4603
R27 392k
R7
100k
R6
100k
R8 13.3k
C9 22µF 6.3V
C7 0.15µF
C8 10µF 25V ×2
C11 100µF 35V OPT
C10 470µF 6.3V
MARGIN CONTROL
TRACK/SS
CONTROL
CLOCK SYNC 1
C12 100pF
REFER TO
TABLE 2
V
IN
f
SETPGNDSGND
5% MARGIN
+
PGOOD
3.3V OR
APPROPRIATE
3.3V
8V TO 16V
8V TO 16V
ON/OFF
+
INTERMEDIATE
BUS
–48V
INPUT
R24 19.1k R26 40.2k
typical application