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MP2494DN Folha de dados(PDF) 5 Page - Monolithic Power Systems

Nome de Peças MP2494DN
Descrição Electrónicos  2A, 55V, 100kHz Step-Down Converter
PDF  11 Pages
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Fabricante Electrônico  MPS [Monolithic Power Systems]
Página de início  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP2494DN Folha de dados(HTML) 5 Page - Monolithic Power Systems

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MP2494 –2A, 55V, 100kHz STEP-DOWN CONVERTER
MP2494 Rev. 1.0
www.MonolithicPower.com
5
4/25/2012
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2012 MPS. All Rights Reserved.
TYPICAL PERFORMANCE CHARACTERISTICS
C1 =220μF, C2 =2.2μF, C3 =39μF, C4 =22μF, L =39μH, TA =25°C, unless otherwise noted.
Maximum IOUT vs.
Duty Cycle
IOUT (A)
IOUT (A)
IOUT (A)
IOUT (A)
IOUT (A)
IOUT (A)
Efficiency vs. Load Current
VOUT=5V
Loop Gain with Phase Margin
VIN=12V, VOUT=5V, IOUT=1.8A
Load Regulation
VOUT=5V
Load Regulation
VOUT=3.3V
Load Regulation
VOUT=2.5V
Efficiency vs. Load Current
VOUT=3.3V
Efficiency vs. Load Current
VOUT=2.5V
20
30
40
50
60
70
80
90
100
0.0
0.4
0.8
1.2
1.6
2.0
20
30
40
50
60
70
80
90
100
0.0
0.4
0.8
1.2
1.6
2.0
20
30
40
50
60
70
80
90
100
0.0
0.4
0.8
1.2
1.6
2.0
4.980
4.984
4.988
4.992
4.996
5.000
5.004
0.0
0.4
0.8
1.2
1.6
2.0
3.290
3.294
3.298
3.302
3.306
3.310
0.0
0.4
0.8
1.2
1.6
2.0
2.500
2.502
2.504
2.506
2.508
2.510
0.0
0.4
0.8
1.2
1.6
2.0
2.0
2.8
3.6
4.4
5.2
6.0
0%
20%
40% 60%
80% 100%
-50
-40
-30
-20
-10
0
10
20
30
40
50
0.1
1
10
100
1000
-200
-160
-120
-80
-40
0
40
80
120
160
200
VFB vs. Temp
0.790
0.792
0.794
0.796
0.798
0.800
-50
-20
10
40
70
100
VIN=8V
VIN=12V
VIN=50V
VIN=8V
VIN=12V
VIN=50V
VIN=4.5V
VIN=12V
VIN=50V
VIN=8V
VIN=12V
VIN=50V
VIN=8V
VIN=12V
VIN=50V
VIN=12V
VIN=50V
Phase
Gain



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