Datasheet

LTM4601/LTM4601-1
23
4601fd
For more information www.linear.com/LTM4601
Figure 19. 2-Phase Parallel, 1.5V at 24A Design
applicaTions inForMaTion
Figure 18. Typical 4.5V to 20V, 1.5V at 12A 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
LTM4601
R1
392k
R4
100k
R2
100k
R
SET
40.2k
C
OUT1
100µF
6.3V
C5
0.01µF
C
OUT2
470µF
6.3V
MARGIN
CONTROL
4601 F18
V
OUT
1.5V
12A
CLOCK SYNC
C3 100pF
REFER TO
TABLE 2 FOR
DIFFERENT
OUTPUT
VOLTAGE
C
IN
BULK
OPT
C
IN
10µF
25V
×3 CER
V
IN
V
OUT
f
SETPGNDSGND
5% MARGIN
V
IN
4.5V TO 20V
REVIEW TEMPERATURE
DERATING CURVE
+
+
PGOOD
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
LTM4601
R1
392k
392k
R4
100k
R2
100k
V
OUT
R
SET
20k
C3
22µF
6.3V
C4
470µF
6.3V
V
OUT
1.5V
24A
CLOCK SYNC
0° PHASE
CLOCK SYNC
180° PHASE
C6 220pF
MARGIN
CONTROL
TRACK/SS CONTROL
TRACK/SS CONTROL
REFER TO
TABLE 2
REFER TO
TABLE 2
C5*
100µF
25V
C1
0.1µF
C2
10µF
25V
×2
V
IN
f
SETPGNDSGND
V
OUT
V
FB
MARG0
MARG1
V
OUT_LCL
NC3
NC2
NC1
PGOOD
MPGM
RUN
COMP
INTV
CC
DRV
CC
TRACK/SSPLLIN
LTM4601-1
V
IN
f
SETPGNDSGND
5%
MARGIN
LTC6908-1
V
IN
4.5V TO 20V
4.5V TO 20V
PGOOD
2-PHASE
OSCILLATOR
100pF
C3
22µF
6.3V
4601 F19
C7
0.033µF
C8
10µF
25V
×2
*C5 OPTIONAL TO REDUCE ANY LC RINGING.
NOT NEEDED FOR LOW INDUCTANCE PLANE CONNECTION
+
C4
470µF
6.3V
+
+
V
+
GND
SET
6
5
4
1
2
3
OUT1
OUT2
MOD
V
OUT
= 0.6V
R
SET
60.4k
N
+ R
SET
N = NUMBER OF PHASES
118k
1%