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MP8725 Datasheet(PDF) 5 Page - Monolithic Power Systems

Part No. MP8725
Description  21V, 5A, 500kHz Synchronous Step-down Converter
Download  14 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP8725 Datasheet(HTML) 5 Page - Monolithic Power Systems

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MP8725 – 5A, 21V, SYNCHRONOUS STEP-DOWN CONVERTER WITH INTERNAL MOSFETS
MP8725 Rev. 1.0
www.MonolithicPower.com
5
9/21/2011
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2011 MPS. All Rights Reserved.
TYPICAL PERFORMANCE CHARACTERISTICS
VIN = 12V, VOUT = 1.2V, L = 1.8µH, TA = +25ºC, unless otherwise noted.
VCC Regulator Line Regulation
OUTPUT CURRENT (A)
OUTPUT CURRENT (A)
Load Regulation
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
Operating Range
Peak Current vs Duty Cycle
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
Enable Supply Current
vs Input Voltage
Disable Supply Current
vs Input Voltage
300
400
500
600
700
800
900
1000
0
5
10
15
20
25
-1
-0.5
0
0.5
1
0
5
10
15
20
25
VFB=1V
VEN=0V
3
3.5
4
4.5
5
5.5
6
0
5
10
15
20
25
5
5.5
6
6.5
7
7.5
8
0 10 20 30 40 50 60 70 80 90 100
0.1
1
10
100
0
5
10
15
20
25
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
012
3
45
Line Regulation
Case Temperature Rise
vs Output Current
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0
5
10
15
20
25
IO=0.0A
IO=2.5A
IO=5.0A
0
5
10
15
20
25
30
35
40
45
50
01
234
5
6
VIN=21.0V
VIN=12.0V
VIN=4.5V


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