ltm4601hv Linear Technology Corporation, ltm4601hv Datasheet - Page 22

• 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
LTM4601HV
22
22V TO 28V
BULK
U
4.5V TO 16V
V
OPT
C
IN
IN
+
10µF
V
25V
U
IN
C2
×3
100k
R2
PGOOD
C
10µF
25V
×3 CER
V
IN
100k
OUT
5% MARGIN
R2
PGOOD
Figure 20. Typical 22V to 28V, 1.5V at 10A Design, 500kHz
V
100k
OUT
392k
5% MARGIN
W
R4
100k
R1
ON/OFF
R1
392k
R4
PGOOD
MPGM
RUN
COMP
INTV
DRV
PGOOD
MPGM
RUN
COMP
INTV
DRV
Figure 19. 3.3V at 10A Design
CC
CC
SGND
U
CC
V
CC
SGND
IN
V
IN
LTM4601HV
LTM4601HV
PLLIN
PGND
PLLIN
PGND
TRACK/SS
MARGIN CONTROL
TRACK/SS
CLOCK SYNC
f
V
DIFFV
SET
f
OUT_LCL
SET
V
DIFFV
MARG0
MARG1
V
V
OUT_LCL
OSNS
OSNS
MARG0
MARG1
V
V
V
OSNS
OSNS
OUT
V
OUT
V
FB
OUT
OUT
V
+
–
FB
C5
0.01µF
+
–
REVIEW TEMPERATURE
R
175k
TRACK/SS CONTROL
fSET
REVIEW TEMPERATURE
MARGIN
CONTROL
DERATING CURVE
C3 100pF
DERATING CURVE
R
130k
fSET
V
4601HV F20
IN
4601HV F19
R
40.2k
SET
R
13.3k
SET
+
TABLE 2 FOR
DIFFERENT
REFER TO
VOLTAGE
OUTPUT
C
100µF
6.3V
C3
100µF
6.3V
SANYO
POSCAP
V
3.3V
10A
OUT1
OUT
+
22µF
6.3V
C
470µF
6.3V
OUT2
V
1.5V
10A
OUT
4601hvf