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MP2115DQ データシート(PDF) 5 Page - Monolithic Power Systems

部品番号 MP2115DQ
部品情報  2A Synchronous Step-Down Converter with Programmable Input Current Limit
PDF  11 Pages
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メーカー  MPS [Monolithic Power Systems]
ホームページ  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP2115DQ データシート(HTML) 5 Page - Monolithic Power Systems

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MP2115 – 2A, 6V SYNCHRONOUS STEP-DOWN CONVERTER
MP2115 Rev. 1.0
www.MonolithicPower.com
5
2/28/2011
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2011 MPS. All Rights Reserved.
TYPICAL PERFORMANCE CHARACTERISTICS
C1=10µF, C2=470µFx3, C4=220µF, C5=220pF, L= 4.7µH, TA = +25°C, unless otherwise noted.
INPUT CURRENT (A)
Load Regulation
Loop Gain with Phase Margin
VIN = 5V, VOUT = 3.8V, IOUT = 0.5A
FSW vs. Resistor
VFB vs. Temperature
VIN = 5V
ILIMIT Resistor vs.
Input Current
Transient Response
VIN = 5V, VOUT = 3.8V,
IOUT = 0.7A/4.66ms
FSW vs. Temperature
VIN = 5V
FREQUENCY (kHz)
LOAD CURRENT (A)
LOAD CURRENT (A)
Efficiency vs.
Load Current
VOUT = 3.8V, Freq=1.5MHz
3.860
3.862
3.864
3.866
3.868
3.870
0.0
0.1
0.2
0.3
0.4
0.5
0.6
-50
-40
-30
-20
-10
0
10
20
30
40
50
0.1
1
10
100
1000
-180
-144
-108
-72
-36
0
36
72
108
144
180
0
10
20
30
40
50
60
70
0.2
0.28
0.36
0.44
0.52
0.6
0.4
0.8
1.2
1.6
2.0
50 100 150 200 250 300 350 400
VOUT
0.1V/div.
IOUT
1A/div.
VOUT
0.1V/div.
IOUT
0.5A/div.
0.50
0.53
0.56
0.59
0.62
0.65
-40 -20
0
20 40 60
80 100
1.30
1.31
1.32
1.33
1.34
1.35
-40 -20
0
20
40
60
80 100
50
60
70
80
90
100
0.0 0.1
0.2
0.3
0.4
0.5
0.6
VIN=5.0V
VIN=5.5V



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