ltm4601hv Linear Technology Corporation, ltm4601hv Datasheet - Page 23

• Manufacturer Part Number: ltm4601hv
• Description: 12a 28vin Dc/dc ?module With Pll, Output Tracking And Margining
• Manufacturer: Linear Technology Corporation

APPLICATIO S I FOR ATIO
0.1µF
118k
1%
C1
1
2
3
V
GND
SET
OSCILLATOR
LTC6908-1
+
2-PHASE
OUT1
OUT2
MOD
U
6
5
4
6V TO 28V
U
V
IN
*C5 OPTIONAL TO REDUCE ANY LC RINGING.
NOT NEEDED FOR LOW INDUCTANCE PLANE CONNECTION
+
C8
10µF
25V
×2
W
C5*
100µF
25V
10µF
25V
Figure 21. 2-Phase Parallel, 3.3V at 20A Design
PGOOD
C2
×2
V
OUT
R2
100k
U
392k
392k
MARGIN
R1
5%
100k
R4
PGOOD
MPGM
RUN
COMP
INTV
DRV
PGOOD
MPGM
RUN
COMP
INTV
DRV
CC
CC
CC
SGND
CC
SGND
V
V
IN
IN
LTM4601HV
LTM4601HV
PLLIN
PGND
PLLIN
PGND
MARGIN CONTROL
TRACK/SS
TRACK/SS
CLOCK SYNC
0° PHASE
CLOCK SYNC
180° PHASE
f
f
V
DIFFV
SET
V
DIFFV
SET
TRACK/SS CONTROL
OUT_LCL
OUT_LCL
MARG0
MARG1
MARG0
MARG1
V
V
V
V
OSNS
OSNS
OSNS
OSNS
V
V
OUT
OUT
OUT
OUT
V
V
FB
FB
+
–
+
–
C6 220pF
C7
0.033µF
TRACK/SS CONTROL
4601HV F21
6.65k
R
SET
LTM4601HV
100pF
REFER TO
TABLE 2
C3
22µF
6.3V
N = NUMBER OF PHASES
V
470µF
OUT
C3
22µF
6.3V
6.3V
REFER TO
C4
TABLE 2
= 0.6V
+
+
60.4k
23
N
R
4601hvf
SET
V
3.3V
20A
C4
470µF
6.3V
+ R
OUT
SET