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 CHARACTERISTICS
Feedback Voltage vs.
Junction Temperature
VIN=24V
0.820
Quiescent Current vs.
Junction Temperature
VIN=24V
600
0.818
550
0.816
500
0.814
450
0.812
0.810
-50 -25 0 25 50 75 100 125
400
-50 -25 0 25 50 75 100 125
Shutdown Current vs.
Junction Temperature
VIN=24V
120
100
80
60
40
20
0
-50 -25 0 25 50 75 100 125
Ton vs.
Junction Temperature
VIN=12V
285
283
281
279
277
275
-50 -25 0 25 50 75 100 125
HS RDS-ON vs.
Junction Temperature
VIN=24V,BST-SW=5V
60
55
50
45
40
35
30
25
20
-50 -25 0 25 50 75 100 125
Current Limit vs.
Junction Temperature
VIN=24V
9.0
8.5
8.0
7.5
7.0
6.5
6.0
-50 -25 0 25 50 75 100 125
ISS vs. Junction Temperature
VIN=24V
VIN UVLO Rising Threshold vs. VIN UVLO Falling Threshold vs.
Junction Temperature
Junction Temperature
VIN=24V
10.0
4.05
3.20
9.5
4.03
3.18
9.0
4.01
3.16
8.5
3.99
3.14
8.0
7.5
3.97
3.12
7.0
-50 -25 0 25 50 75 100 125
3.95
-50 -25 0 25 50 75 100 125
3.10
-50 -25 0 25 50 75 100 125
MPQ4470/4470A Rev. 1.1
www.MonolithicPower.com
4
8/26/2013
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2013 MPS. All Rights Reserved.
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