Datasheet

LTM4600HV
4
4600hvfc
LOAD CURRENT (A)
0
EFFICIENCY (%)
50
60
70
6
4600hv G02
40
30
24 8
80
90
100
10
0.6V
OUT
1.2V
OUT
1.5V
OUT
2.5V
OUT
3.3V
OUT
Effi ciency vs Load Current
w
ith 5V
IN
(FCB = 0)
TYPICAL PERFOR A CE CHARACTERISTICS
UW
LOAD CURRENT (A)
0
100
90
80
70
60
50
40
30
6
4600hv G01
24
810
EFFICIENCY (%)
0.6V
OUT
1.2V
OUT
1.5V
OUT
2.5V
OUT
Effi ciency vs Load Current
with 12V
IN
(
FCB = 0
)
Effi ciency vs Load Current
with 24V
IN
(FCB = 0)
LOAD CURRENT (A)
0
EFFICIENCY (%)
6
4600hv G03
24 8
10
80
90
100
70
60
50
40
30
1.8V
OUT
2.5V
OUT
3.3V
OUT
5V
OUT
Effi ciency vs Load Current
with Different FCB Settin
g
s
LOAD CURRENT (A)
20
50
40
30
90
80
70
60
4600hv G04
EFFICIENCY (%)
0.1
10
1
FCB = GND
FCB > 0.7V
V
IN
= 12V
V
OUT
= 1.5V
1.2V Transient Response 1.5V Transient Response
1.8V Transient Res
p
onse 2.5V Transient Res
p
onse 3.3V Transient Res
p
onse
25μs/DIV
4600hv G05
1.2V AT 5A/μs LOAD STEP
C
OUT
= 3 • 22μF 6.3V CERAMICS
470μF 4V SANYO POSCAP
C3 = 100pF
25μs/DIV
4600hv G06
1.5V AT 5A/μs LOAD STEP
C
OUT
= 3 • 22μF 6.3V CERAMICS
470μF 4V SANYO POSCAP
C3 = 100pF
25μs/DIV
4600hv G07
1.8V AT 5A/μs LOAD STEP
C
OUT
= 3 • 22μF 6.3V CERAMICS
470μF 4V SANYO POSCAP
C3 = 100pF
25μs/DIV
4600hv G08
2.5V AT 5A/μs LOAD STEP
C
OUT
= 3 • 22μF 6.3V CERAMICS
470μF 4V SANYO POSCAP
C3 = 100pF
25μs/DIV
4600hv G09
3.3V AT 5A/μs LOAD STEP
C
OUT
= 3 • 22μF 6.3V CERAMICS
470μF 4V SANYO POSCAP
C3 = 100pF
V
OUT
= 50mV/DIV
I
OUT
= 5A/DIV
(See Figure 21 for all curves)