Datasheet

LTM4600HV
19
4600hvfc
APPLICATIO S I FOR ATIO
WUU
U
Figure 21. Typical Application, 5V to 24V Input, 0.6V to 5V Output, 10A Max
4600HV F21
V
OUT
EXTV
CC
f
ADJ
V
OSET
FCB
COMP
PGOOD
V
OUT
(MULTIPLE PINS)
V
OUT
RUN/SS
SGND
PGND
(MULTIPLE PINS)
C
OUT1
22μF
6.3V
×3
REFER TO
TABLE 2
C
OUT2
470μF
REFER TO
TABLE 2
GND
0.6V TO 5V
REFER TO STEP DOWN
RATIO GRAPH
C4
OPT
V
IN
5V TO 24V
GND
C
IN
(CER)
10μF
2x
C
IN
(BULK)
150μF
C3
100pF
R1
66.5k
REFER TO
TABLE 1
V
IN
(MULTIPLE PINS)
LTM4600HV
SV
IN
+
+
TYPICAL APPLICATIO
U
4600 F23
R2
13.7k
1%
R1
15k
EXTV
CC
RUN/SS
COMP
FCB
V
OUT
12V TO 5V AT 8A WITH f
ADJ
= 15k
LTM4600HV MINIMUM ON-TIME = 100ns
LTM4600HV MINIMUM OFF-TIME = 400ns
C1, C3: TDK C3216X5R1E106MT
C2: TAIYO YUDEN, JMK316BJ226ML
C4: SANYO POSCAP, 6TPE330MIL
PGOOD
V
OSET
SV
IN
PGNDSGND
9V TO 16V
5V AT 8A EFFICIENCY = 94%
C1
10μF
25V
C3
10μF
25V
C4
330μF
6.3V
C2
22μF
C5
100pF
V
IN
LTM4600HV
f
ADJ
RUN/SOFT-START
OPEN DRAIN
+
V
IN
(V)
4600 F24
1357911131517
3.3V: f
ADJ
= 30.1k
5V: f
ADJ
= 15k
5V AT 8A
3.3V AT 8A
V
OUT
(V)
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
V
IN
to V
OUT
Stepdown Ratio for
12V to 5V and 5V to 3.3V
12V to 5V at 8A