Datasheet

LTM4601AHV
22
4601ahvfc
For more information www.linear.com/LTM4601AHV
Figure 21. 2-Phase Parallel, 3.3V at 20A 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
LTM4601AHV
R1
392k
392k
R4
100k
R2
100k
V
OUT
R
SET
6.65k
C3
22µF
6.3V
C4
470µF
6.3V
V
OUT
3.3V
20A
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
35V
C1
0.1µF
C2
10µF
35V
2x
V
IN
f
SETPGNDSGND
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
LTM4601AHV
V
IN
f
SETPGNDSGND
5%
MARGIN
LTC6908-1
V
IN
6V TO 28V
PGOOD
2-PHASE
OSCILLATOR
100pF
C3
22µF
6.3V
4601AHV F21
C7
0.033µF
C8
10µF
35V
2x
* 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%
applicaTions inForMaTion
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
LTM4601AHV
R1
392k
R4
100k
R2
100k
R
SET
40.2k
R
fSET
175k
C
OUT1
100µF
6.3V
C5
0.01µF
C
OUT2
470µF
6.3V
MARGIN
CONTROL
4601AHV F20
V
OUT
1.5V
10A
CLOCK SYNC
C3 100pF
REFER TO
TABLE 2 FOR
DIFFERENT
OUTPUT
VOLTAGE
C
IN
BULK
OPT
C
IN
10µF
35V
3x CER
V
IN
V
OUT
f
SET
V
IN
PGNDSGND
5% MARGIN
V
IN
22V TO 28V
REVIEW TEMPERATURE
DERATING CURVE
+
+
PGOOD
ON/OFF
Figure 20. Typical 22V to 28V, 1.5V at 10A Design, 500kHz