MPQ4470 查看數據表（PDF） - Monolithic Power Systems
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MPQ4470
Monolithic Power Systems
MPQ4470 Datasheet PDF : 20 Pages
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MPQ4470/4470A–HIGH-EFFICIENCY, FAST-TRANSIENT, SYNCHRONOUS, STEP-DOWN CONVERTER, AEC-Q100 QUALIFIED
TYPICAL PERFORMANCE CHARACTERISTICS
VIN = 24V, VOUT = 3.3V, L = 10µH, RFREQ = 63.4k, TA = +25°C, unless otherwise noted.
Efficiency vs.
Load Current
100
550
800
90
80
700
70
600
60
50
500
500
40
30
400
20
300
10
0
450
200
0.01
0.1
1
10
0 5 10 15 20 25 30 35 40
1 1.5 2 2.5 3 3.5 4 4.5 5
VIN (V)
Case Temperature Rise vs.
Output Current
40
Line Regulation
1.50
Load Regulation
1.00
35
1.00
30
0.50
25
0.50
20
0.00
0.00
15
-0.50
10
-0.50
5
-1.00
0
0
1
2
3
4
5
-1.50
0
-1.00
10
20
30
40
0
1
2
3
4
5
MPQ4470/4470A Rev. 1.1
www.MonolithicPower.com
6
8/26/2013
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2013 MPS. All Rights Reserved.
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