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MP2497DN 数据表(PDF) 5 Page - Monolithic Power Systems

部件名 MP2497DN
功能描述  3A, 50V, 100kHz Step-Down Converter with Programmable Output OVP Threshold
PDF  14 Pages
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制造商  MPS [Monolithic Power Systems]
网页  http://www.monolithicpower.com
标志 MPS - Monolithic Power Systems

MP2497DN 数据表(HTML) 5 Page - Monolithic Power Systems

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MP2497 – 3A, 50V, 100kHz STEP-DOWN CONVERTER
MP2497 Rev. 1.12
www.MonolithicPower.com
5
12/22/2011
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2011 MPS. All Rights Reserved.
TYPICAL PERFORMANCE CHARACTERISTICS
C1=220μF, C2=2.2μF, C3=100μF, C4=22μF, L=33μH, RSENSE=33mΩ, TA=25ºC，unless otherwise
noted.
Output Line Drop
Compensation
4.9
4.92
4.94
4.96
4.98
5
5.02
0
Connect ISP, ISN to GND
0.5
1
1.5
2
2.5
3
3.5
IOUT (A)
IOUT (A)
VIN=12V
VIN=24V
VIN=50V
Loop Gain with
Phase Margin
0.1
1
10
100
1000
FREQUENCY(kHz)
Efficiency vs.
Output Current
55
60
65
70
75
80
85
90
95
IOUT (A)
Load Regulation
4.95
4.955
4.96
4.965
4.97
4.975
4.98
4.985
4.99
0
0.5
1
1.5
2
2.5
3
3.5
VIN=12V
VIN=24V
VIN=50V
0.1 0.5 0.9 1.3 1.7 2.1 2.5 2.9
VIN=12V
VIN=24V
VIN=50V
VIN=12V, VOUT=5V, IOUT=3A
-10
0
10
20
30
40
50
60
70
80
90
EMI Radiation
30
100
1000
FREQUENCY(MHz)
Resistor Load
EN55022
VFB vs. Temperature
0.792
0.794
0.796
0.798
0.8
0.802
0.804
-50
-20
10
40
70 100 130
TEMPERATURE (oC)
VIN=12V
VIN=12V, VOUT=5V, IOUT=3A
VOUT=5V
Resistor Load
-80
-60
-40
-20
0
20
40
60
80
-200
-150
-100
-50
0
50
100
150
200
Gain
Phase



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