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MP2187 データシート(PDF) 6 Page - Monolithic Power Systems

部品番号 MP2187
部品情報  Dual 3A, 5.5V, 1.2MHz, COT Synchronous Step-Down Switcher
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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

MP2187 データシート(HTML) 6 Page - Monolithic Power Systems

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MP2187 – DUAL 3A, 5.5V, 1.2MHz, SYNCHRONOUS STEP-DOWN SWITCHER
MP2187 Rev. 1.0
www.MonolithicPower.com
6
12/12/2014
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2014 MPS. All Rights Reserved.
TYPICAL PERFORMANCE CHARACTERISTICS
VIN = 5V, VOUT1 = 1.1V, VOUT2 = 1.8V, L = 1.0µH, COUT=22µF, TA = 25°C, unless otherwise noted.
Feedback Volatge vs.
Temperature
OUTPUT CURRENT (A)
Case Temperature Rise
(Tcase-Tambient) vs. Iout
VIN=3.3V
Output Volatge vs.
Temperature
Quiescent Current vs.
Temperature
IOUT (A)
Efficiency vs. IOUT
-0.60%
-0.40%
-0.20%
0.00%
0.20%
0.40%
0.60%
00.5
1
1.5
2
2.5
33.5
LOAD CURRENT (A)
VIN=3.3V
VIN=5.5V
Load Regulation
INPUT VOLTAGE (V)
-0.60%
-0.40%
-0.20%
0.00%
0.20%
0.40%
0.60%
2.0
3.0
4.0
5.0
6.0
Load=3A
Load=1.5A
Line Regulation
0
10
20
30
40
50
60
70
80
90
100
0.01
0.1
1
10
VOUT1=1.1V
VOUT2=1.8V
20
30
40
50
60
70
-40 -20 0 20 40 60 80 100120140
1.8V Output Channel
1.1V Output Channel
0
5
10
15
20
25
30
35
40
0 0.5 1 1.5 2 2.5 3 3.5 4
Only 1.8V output channel work
Two channel work
0
0.5
1
1.5
2
-40 -20 0 20 40 60 80 100120140
1.8V Output Channel
1.1V Output Channel
590
595
600
605
610
-40 -20 0 20 40 60 80 100120140
1.8V Output Channel
1.1V Output Channel


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