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MP1475S Datasheet(PDF) 6 Page - Monolithic Power Systems

No. de pieza MP1475S
Descripción Electrónicos  High-Efficiency, 3A, 16V, 500kHz Synchronous, Step-Down Converter
PDF  19 Pages
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Fabricante Electrónico  MPS [Monolithic Power Systems]
Página de inicio  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP1475S Datasheet(HTML) 6 Page - Monolithic Power Systems

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MP1475S – HIGH-EFFICIENCY, 3A, 16V, 500kHz SYNCHRONOUS STEP-DOWN CONVERTER
MP1475S Rev. 1.0
www.MonolithicPower.com
6
1/8/2015
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2015 MPS. All Rights Reserved.
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
Performance waveforms are tested on the evaluation board of the Design Example section.
VIN = 12V, VOUT = 3.3V, L=4.7μH, TA = 25°C, unless otherwise noted.
0
5
10
15
20
25
30
35
40
45
50
00.511.522.5
3
INPUT VOLTAGE(V)
VIN(V)
Line Regulation
VOUT=3.3V, VIN=5-16V
Case Temperature Rise vs.
Output Current
IOUT=0A-3A
Disabled Supply Current
vs. Input Voltage
VIN=4.5V to 16V VEN=0V
Enabled Supply Current
vs. Input Voltage
VIN=4.5V to 16V VFB=1V
Current Limit vs.
Duty Cycle
OUTPUT CURRENT(A)
INPUT VOLTAGE(V)
-0.2
-0.15
-0.1
-0.05
0
0.05
0.1
0.15
0.2
48
12
16
IOUT=0A
IOUT=3A
IOUT=1.5A
VOUT=3.3V
VOUT=5V
3
3.5
4
4.5
5
5.5
6
0
1020304050607080
0
1
2
3
4
5
6
468
10
12
14
16
18
450
460
470
480
490
500
510
520
530
4
6
8
10 12 14 16 18
-0.7
-0.5
-0.3
-0.1
0.1
0.3
0.5
0.7
0
0.5
1
1.5
2
2.5
3
3.5
LOAD CURRENT(A)
VIN=12V
VIN=16V
VIN=5V



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