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MP24971 Datasheet(PDF) 6 Page - Monolithic Power Systems

No. de pieza MP24971
Descripción Electrónicos  1.5A, 50V, 100kHz, 5V Fixed Output Step- Down Converter with Programmable Current Limit and Output Line-Drop Compensation
PDF  14 Pages
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Fabricante Electrónico  MPS [Monolithic Power Systems]
Página de inicio  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP24971 Datasheet(HTML) 6 Page - Monolithic Power Systems

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MP24971 –1.5A, 50V, 100kHz, 5V FIXED OUTPUT STEP-DOWN CONVERTER
MP24971 Rev. 1.01
www.MonolithicPower.com
6
1/6/2012
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2012 MPS. All Rights Reserved.
TYPICAL PERFORMANCE CHARACTERISTICS
C1=220μF, C2=2.2μF, C8=22μF, C9=100μF, L=33μH, RSENSE=66mΩ, TA=25°C, unless otherwise
noted.
Output Line Drop
Compensation
Connect ISP, ISN to GND
IOUT (A)
IOUT (A)
Loop Gain with
Phase Margin
0.1
1
10
100
1000
FREQUENCY(kHz)
-200
-160
-120
-80
-40
0
40
80
120
160
200
Efficiency vs.
Output Current
55
60
65
70
75
80
85
90
95
IOUT (A)
Load Regulation
VOUT=5V
4.9
4.91
4.92
4.93
4.94
4.95
4.96
0 0.2 0.4 0.6 0.8
1 1.2 1.4
VIN=12V
VIN=24V
VIN=50V
0.1 0.3 0.5 0.7 0.9 1.1 1.3 1.5
VIN=12V
VIN=24V
VIN=50V
4.93
4.935
4.94
4.945
4.95
4.955
4.96
0 0.2 0.4 0.6 0.8
1 1.2 1.4 1.6
30
100
1000
VIN=12V
VIN=24V
VIN=50V
VIN=12V, VOUT=5V, IOUT=1.5A
FREQUENCY(MHz)
EMI Radiation
-50
-40
-30
-20
-10
0
10
20
30
40
50
-10
0
10
20
30
40
50
60
70
80
90
Resistor Load
EN55022
VIN=12V, VOUT=5V, IOUT=1.5A
Resistor Load



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