LTM4603 Просмотр технического описания (PDF) - Linear Technology
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LTM4603 Datasheet PDF : 24 Pages
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LTM4603/LTM4603-1
TYPICAL PERFOR A CE CHARACTERISTICS (See Figure 18 for all curves)
Efficiency vs Load Current
with 5VIN
1.00
0.95
0.90
0.85
0.80
0.75
0.70
5VIN, 0.6VOUT
0.65
5VIN, 1.2VOUT
0.60
5VIN, 1.5VOUT
5VIN, 1.8VOUT
0.55
5VIN, 2.5VOUT
5VIN, 3.3VOUT
0.50
01 2 34 5
OUTPUT CURRENT (A)
67
4603 G01
1.2V Transient Response
Efficiency vs Load Current
with 12VIN
1.00
0.95
0.90
0.85
0.80
0.75
0.70
0.65
0.60
12VIN, 1.2VOUT
12VIN, 1.5VOUT
0.55
12VIN, 1.8VOUT
0.50
12VIN, 2.5VOUT
0.45
12VIN, 3.3VOUT
12VIN, 5VOUT
0.40
01 2 34 5 6 7
OUTPUT CURRENT (A)
4603 G02
1.5V Transient Response
Efficiency vs Load Current
with 20VIN
0.95
0.90
0.85
0.80
0.75
0.70
0.65
0.60
0.55
20VIN, 1.5VOUT
20VIN, 1.8VOUT
0.50
20VIN, 2.5VOUT
0.45
20VIN, 3.3VOUT
20VIN, 5VOUT
0.40
01 2 34 5 6 7
OUTPUT CURRENT (A)
4603 G03
1.8V Transient Response
LOAD STEP
1A/DIV
LOAD STEP
1A/DIV
LOAD STEP
1A/DIV
VOUT
50mV/DIV
VOUT
50mV/DIV
VOUT
50mV/DIV
25µs/DIV
1.2V AT 3A/µs LOAD STEP
COUT: 1x 22µF, 6.3V CERAMIC
1x 330µF, 4V SANYO POSCAP
4603 G04
25µs/DIV
1.5V AT 3A/µs LOAD STEP
COUT: 1x 22µF, 6.3V CERAMIC
1x 330µF, 4V SANYO POSCAP
4603 G05
25µs/DIV
1.8V AT 3A/µs LOAD STEP
COUT: 1x 22µF, 6.3V CERAMIC
1x 330µF, 4V SANYO POSCAP
4603 G06
2.5V Transient Response
3.3V Transient Response
LOAD STEP
1A/DIV
LOAD STEP
1A/DIV
VOUT
50mV/DIV
25µs/DIV
2.5V AT 3A/µs LOAD STEP
COUT: 1x 22µF, 6.3V CERAMIC
1x 330µF, 4V SANYO POSCAP
4603 G07
VOUT
50mV/DIV
25µs/DIV
3.3V AT 3A/µs LOAD STEP
COUT: 1x 22µF, 6.3V CERAMIC
1x 330µF, 4V SANYO POSCAP
4603 G08
4603f
5
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