LTM4602
APPLICATIONS INFORMATION
5V to 3.3V at 5A
V IN
4.5V TO 7V
R1
30.1k
C3
10 μ F
25V
C1
10 μ F
25V
V IN
f ADJ
C5
100pF
V OUT
3.3V AT 5A
EFFICIENCY = 94%
AT 5A LOAD
EXTV CC
FCB
LTM4602
V OUT
V OSET
R SET
22.1k
C2
22 μ F
+
C4
330 μ F
6.3V
RUN/SOFT-START
RUN/SS
COMP
SGND
SV IN
PGOOD
PGND
OPEN DRAIN
1%
4602 F20a
5V TO 3.3V AT 5A WITH f ADJ = 30.1k
V IN
7V TO 20V
C1, C3: TDK C3216X5R1E106MT
C2: TAIYO YUDEN, JMK316BJ226ML
C4: SANYO POSCAP, 6TPE330MIL
12V to 5V at 5A
R1
15k
+ C4
22 μ F
C3
10 μ F
25V
C1
10 μ F
25V
EXTV CC
FCB
V IN f ADJ
LTM4602
V OUT
V OSET
C5
100pF
V OUT
5V AT 5A
R SET
13.7k
EFFICIENCY = 92.5%
AT 5A LOAD
C2
330 μ F
6.3V
RUN/SOFT-START
RUN/SS
COMP
SGND
SV IN
PGOOD
PGND
OPEN DRAIN
1%
4602 F20b
7V TO 20V AT 5A WITH f ADJ = 15k
C1, C3: TDK C3216X5R1E106MT
C2: TAIYO YUDEN, JMK316BJ226ML
C4: SANYO POSCAP, 6TPE330MIL
Figure 20. V IN to V OUT Step-Down Ratio for 12V IN to 5V OUT and 5V IN to 3.3V OUT
V IN
5V TO 20V
GND
+
C IN
150 μ F
BULK
C IN
10 μ F
× 2
CER
V IN
(MULTIPLE PINS)
V OUT
C3
100pF
EXTV CC
SV IN
f ADJ
V OSET
V OUT
(MULTIPLE PINS)
LTM4602
C OUT1
REFER TO
TABLE 2
+
V OUT
6A
C OUT2
REFER TO
TABLE 2
COMP
R SET
FCB
66.5k
REFER TO
TABLE 1
C4
OPT
PGOOD
SGND
RUN/SS
0.6V TO 5V
PGND
(MULTIPLE PINS)
REFER TO STEP-DOWN
RATIO GRAPH
GND
4602 F21
Figure 21. Typical Application, 5V to 20V Input, 0.6V to 5V Output, 6A Max
4602fa
19
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