ltm4600hv Linear Technology Corporation, ltm4600hv Datasheet - Page 4

• Manufacturer Part Number: ltm4600hv
• Description: 10a, 28vin High Efficiency Dc/dc ?module
• Manufacturer: Linear Technology Corporation

LTM4600HV
TYPICAL PERFOR A CE CHARACTERISTICS
4
100
90
80
70
60
50
40
30
20
90
80
70
60
50
40
30
0.1
0
Effi ciency vs Load Current
with 5V
Effi ciency vs Load Current
with Different FCB Settings
1.8V Transient Response
1.8V AT 5A/μs LOAD STEP
C
470μF 4V SANYO POSCAP
C3 = 100pF
OUT
= 3 • 22μF 6.3V CERAMICS
2
IN
FCB > 0.7V
(FCB = 0)
LOAD CURRENT (A)
LOAD CURRENT (A)
FCB = GND
4
25μs/DIV
1
6
W
V
V
IN
OUT
8
0.6V
1.2V
1.5V
2.5V
= 12V
= 1.5V
4600hv G04
4600hv G01
4600hv G07
OUT
OUT
OUT
OUT
U
10
10
100
60
40
30
90
80
70
50
0
1.2V AT 5A/μs LOAD STEP
C
470μF 4V SANYO POSCAP
C3 = 100pF
2.5V Transient Response
2.5V AT 5A/μs LOAD STEP
C
470μF 4V SANYO POSCAP
C3 = 100pF
Effi ciency vs Load Current
with 12V
1.2V Transient Response
V
I
OUT
OUT
OUT
OUT
= 3 • 22μF 6.3V CERAMICS
= 3 • 22μF 6.3V CERAMICS
= 5A/DIV
= 50mV/DIV
2
IN
LOAD CURRENT (A)
(FCB = 0)
4
25μs/DIV
25μs/DIV
6
8
0.6V
1.2V
1.5V
2.5V
3.3V
(See Figure 21 for all curves)
4600hv G02
4600hv G05
4600hv G08
OUT
OUT
OUT
OUT
OUT
10
100
70
60
90
80
50
40
30
0
Effi ciency vs Load Current
with 24V
1.5V Transient Response
1.5V AT 5A/μs LOAD STEP
C
470μF 4V SANYO POSCAP
C3 = 100pF
3.3V Transient Response
3.3V AT 5A/μs LOAD STEP
C
470μF 4V SANYO POSCAP
C3 = 100pF
OUT
OUT
= 3 • 22μF 6.3V CERAMICS
= 3 • 22μF 6.3V CERAMICS
2
IN
LOAD CURRENT (A)
(FCB = 0)
4
25μs/DIV
25μs/DIV
6
8
1.8V
2.5V
3.3V
5V
OUT
4600hv G03
4600hv G06
4600hv G09
4600hvfc
OUT
OUT
OUT
10