Datasheet

LTM4603/LTM4603-1
22
4603fb
Figure 19. 2-Phase, 2.5V and 1.2V at 6A with Coincident Tracking
Figure 18. Typical 4.5V to
20VIN
, 1.5V at 6A Design
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
R5
392k
*C11 OPTIONAL TO REDUCE LC RINGING.
NOT NEEDED FOR LOW INDUCTANCE PLANE CONNECTIONS
R2
100k
R1
100k
R7
60.4k
C4
22µF
6.3V
C5
470µF
6.3V
1.2V AT 6A
2.5V
CLOCK SYNC 0° PHASE
CLOCK SYNC 180° PHASE
C6 100pF
C6 100pF
MARGIN
CONTROL
MARGIN
CONTROL
C1
10µF
25V
V
IN
1.2V
f
SETPGNDSGND
LTC6908-1
4.5V TO 16V
2-PHASE
OSCILLATOR
4603 F19
+
+
V
+
GND
SET
4
5
6
1
2
3
OUT1
OUT2
MOD
C10
10µF
25V
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
R6
392k
R4
100k
R3
100k
R8
19.1k
C7
22µF
6.3V
C8
470µF
6.3V
2.5V AT 6A
C2
10µF
25V
V
IN
2.5V
f
SETPGNDSGND
4.5V TO 16V
C3
0.01µF
+
C11*
100µF
25V
C12
0.1µF
R11
118k
R9
60.4k
R10
60.4k
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
R4
100k
R2
100k
R
SET
40.2k
C
OUT1
22µF
6.3V
C5
0.01µF
C
OUT2
470µF
6.3V
MARGIN
CONTROL
4603 F18
V
OUT
1.5V
6A
CLOCK SYNC
C3 100pF
REFER TO
TABLE 2
C
IN
BULK
O P T.
TABLE 2
C
IN
10µF
25V
×2 CER
V
IN
f
SETPGNDSGND
5% MARGIN
V
IN
4.5V TO 20V
REVIEW TEMPERATURE
DERATING CURVE
+
+
PGOOD
V
OUT
ON/OFF
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