Datasheet

LTM4602HV
4
4602hvf
Effi ciency vs Load Current
w
ith 5V
IN
(FCB = 0)
TYPICAL PERFOR A CE CHARACTERISTICS
UW
Effi ciency vs Load Current
with 12V
IN
(
FCB = 0
)
Effi ciency vs Load Current
with 24V
IN
(FCB = 0)
Effi ciency vs Load Current
with Different FCB Settin
g
s 1.2V Transient Response
1.5V Transient Response
1.8V Transient Res
p
onse 2.5V Transient Res
p
onse
(See Figure 22 for all curves)
LOAD CURRENT (A)
20
50
40
30
100
90
80
70
60
4602HV G04
EFFICIENCY (%)
0.1
5
1
FCB = GND
FCB > 0.7V
V
IN
= 12V
V
OUT
= 1.5V
V
OUT
50mV/DIV
1.2V AT 3A/µs LOAD STEP
C
OUT
= 22µF, 6.3V CERAMIC
330µF, 4V SANYO POS CAP
I
OUT
2A/DIV
20µs/DIV
4602HV G05
1.5V AT 3A/µs LOAD STEP
C
OUT
= 22µF, 6.3V CERAMIC
330µF, 4V SANYO POS CAP
20µs/DIV
4602HV G06
V
OUT
50mV/DIV
I
OUT
2A/DIV
1.8V AT 3A/µs LOAD STEP
C
OUT
= 22µF, 6.3V CERAMIC
330µF, 4V SANYO POS CAP
20µs/DIV
4602HV G07
V
OUT
50mV/DIV
I
OUT
2A/DIV
2.5V AT 3A/µs LOAD STEP
C
OUT
= 22µF, 6.3V CERAMIC
330µF, 4V SANYO POS CAP
20µs/DIV
4602HV G08
V
OUT
50mV/DIV
I
OUT
2A/DIV
LOAD CURRENT (A)
0
0
EFFICIENCY (%)
10
30
40
50
100
70
2
4
4602HV G01
20
80
90
60
6
8
0.8V
OUT
1.2V
OUT
1.5V
OUT
1.8V
OUT
2.5V
OUT
3.3V
OUT
*
*FOR 5V TO 3.3V CONVERSION,
SEE FREQUENCY ADJUSTMENT
IN APPLICATIONS INFORMATION
LOAD CURRENT (A)
0
0
EFFICIENCY (%)
10
30
40
50
100
70
2
4
4602HV G02
20
80
90
60
6
8
0.8V
OUT
1.2V
OUT
1.5V
OUT
1.8V
OUT
2.5V
OUT
3.3V
OUT
3.3V
OUT
(950kHz)
LOAD CURRENT (A)
0
0
EFFICIENCY (%)
10
30
40
50
4
90
4602HV G03
20
2
1
5
36
60
70
80
1.2V
OUT
1.5V
OUT
1.8V
OUT
2.5V
OUT
3.3V
OUT
3.3V
OUT
(1MHz)
Li
g
ht
L
oa
d
Effi
c
i
ency vs
Load Current with 12V
IN
(FCB > 0.7V, <5V)
LOAD CURRENT (A)
0
EFFICIENCY (%)
60
80
100
0.8
4602HV G15
40
20
50
70
90
30
10
0
0.20.1
0.40.3
0.6 0.7 0.9
0.5
1
1.2V
OUT
1.5V
OUT
1.8V
OUT
2.5V
OUT
3.3V
OUT