LTM4600 LINER [Linear Technology], LTM4600 Datasheet - Page 4

• Manufacturer Part Number: LTM4600
• Description: 10A High Effi ciency DC/DC ?Module
• Manufacturer: LINER [Linear Technology]

LTM4600
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 POS CAP
C3 = 100pF
OUT
= 3 • 22µF 6.3V CERAMICS
2
IN
FCB > 0.7V
(FCB = 0)
LOAD CURRENT (A)
LOAD CURRENT (A)
4
FCB = GND
25µs/DIV
1
6
8
W
V
V
IN
OUT
0.6V
1.2V
1.5V
2.5V
= 12V
10
= 1.5V
4600 G04
4600 G01
4600 G07
OUT
OUT
OUT
OUT
U
12
10
100
60
40
20
90
80
70
50
30
0
1.2V AT 5A/µs LOAD STEP
C
470µF 4V SANYO POS CAP
C3 = 100pF
2.5V Transient Response
2.5V AT 5A/µs LOAD STEP
C
470µF 4V SANYO POS CAP
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
10
(See Figure 17 for all curves)
4600 G02
4600 G05
4600 G08
OUT
OUT
OUT
OUT
OUT
12
100
70
60
90
80
50
40
30
0
Effi ciency vs Load Current
with 18V
1.5V Transient Response
1.5V AT 5A/µs LOAD STEP
C
470µF 4V SANYO POS CAP
C3 = 100pF
3.3V Transient Response
3.3V AT 5A/µs LOAD STEP
C
470µF 4V SANYO POS CAP
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
1.5V
1.8V
2.5V
3.3V
10
4600 G03
4600 G06
4600 G09
OUT
OUT
OUT
OUT
4600fa
12