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MP2494DN bảng dữ liệu(PDF) 5 Page - Monolithic Power Systems

tên linh kiện MP2494DN
Giải thích chi tiết về linh kiện  2A, 55V, 100kHz Step-Down Converter
PDF  11 Pages
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nhà sản xuất  MPS [Monolithic Power Systems]
Trang chủ  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP2494DN bảng dữ liệu(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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