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MP2905 Datasheet(PDF) 5 Page - Monolithic Power Systems

Part # MP2905
Description  3V-28V Input, Hysteretic Synchronous Step-Down Controller
PDF  16 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP2905 Datasheet(HTML) 5 Page - Monolithic Power Systems

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MP2905- 3V to 28V INPUT, HYSTERETIC SYNCHRONOUS STEP-DOWN CONTROLLER
MP2905 Rev. 0.91
www.monolithicpower.com
5
4/18/2011
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2011. All Rights Reserved.
TYPICAL PERFORMANCE CHARACTERISTICS
VIN=12V, VOUT =1.8V, IOUT=12A, L1=1.5µH(DCR=3.41mΩ), COUT=100µF *2+330µF, TA=+25°C, High
Side MOS:SI7112DN-T1-E3, Low Side MOS:SI7336ADP-T1-E3 unless otherwise noted.
Line Regulation
Supply Current (no switching)
vs. Input Voltage
VFB=0.65V
Efficiency
Frequency vs. Input Voltage
no load, Feedforward Cap=22nF
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
0
5
10
15
20
25
30
VIN (V)
0
10
20
30
40
50
60
70
80
90
100
02
468
10
12
IOUT (A)
V
IN=5.5V
V
IN=12V
V
IN=28V
-2.00
-1.50
-1.00
-0.50
0.00
0.50
1.00
1.50
2.00
0246
8
10
12
IOUT (A)
Load Regulation
V
IN=5.5V
V
IN=12V
V
IN=28V
-2.00
-1.50
-1.00
-0.50
0.00
0.50
1.00
1.50
2.00
510
15
20
25
30
VIN (V)
I
OUT=6A
I
OUT=0A
I
OUT=12A
0
50
100
150
200
250
300
510
15
20
25
30
VIN (V)



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