LTM4600(RevA) データシートの表示（PDF） - Linear Technology
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LTM4600 Datasheet PDF : 24 Pages
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LTM4600
TYPICAL PERFOR A CE CHARACTERISTICS (See Figure 17 for all curves)
Efficiency vs Load Current
with 5VIN (FCB = 0)
100
90
80
70
60
50
40
30
02
4
6
0.6VOUT
1.2VOUT
1.5VOUT
2.5VOUT
8 10 12
LOAD CURRENT (A)
4600 G01
Efficiency vs Load Current
with Different FCB Settings
90
80
FCB > 0.7V
70
60
FCB = GND
50
40
30
20
0.1
VIN = 12V
VOUT = 1.5V
1
10
LOAD CURRENT (A)
4600 G04
Efficiency vs Load Current
with 12VIN (FCB = 0)
100
90
80
70
60
50
0.6VOUT
40
1.2VOUT
1.5VOUT
30
2.5VOUT
3.3VOUT
20
0
2
4
6
8 10 12
LOAD CURRENT (A)
4600 G02
1.2V Transient Response
VOUT = 50mV/DIV
IOUT = 5A/DIV
25µs/DIV
1.2V AT 5A/µs LOAD STEP
COUT = 3 • 22µF 6.3V CERAMICS
470µF 4V SANYO POS CAP
C3 = 100pF
4600 G05
Efficiency vs Load Current
with 18VIN (FCB = 0)
100
90
80
70
60
50
1.5VOUT
40
1.8VOUT
2.5VOUT
3.3VOUT
30
0
2
4
6
8 10 12
LOAD CURRENT (A)
4600 G03
1.5V Transient Response
25µs/DIV
1.5V AT 5A/µs LOAD STEP
COUT = 3 • 22µF 6.3V CERAMICS
470µF 4V SANYO POS CAP
C3 = 100pF
4600 G06
1.8V Transient Response
2.5V Transient Response
3.3V Transient Response
25µs/DIV
1.8V AT 5A/µs LOAD STEP
COUT = 3 • 22µF 6.3V CERAMICS
470µF 4V SANYO POS CAP
C3 = 100pF
4600 G07
4
25µs/DIV
2.5V AT 5A/µs LOAD STEP
COUT = 3 • 22µF 6.3V CERAMICS
470µF 4V SANYO POS CAP
C3 = 100pF
4600 G08
25µs/DIV
3.3V AT 5A/µs LOAD STEP
COUT = 3 • 22µF 6.3V CERAMICS
470µF 4V SANYO POS CAP
C3 = 100pF
4600 G09
4600fa
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