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MP1474 Datasheet(PDF) 5 Page - Monolithic Power Systems

Part # MP1474
Description  High-Efficiency, 2A, 16V, 500kHz Synchronous, Step-Down Converter
PDF  16 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP1474 Datasheet(HTML) 5 Page - Monolithic Power Systems

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MP1474 – SYNCHRONOUS STEP-DOWN CONVERTER
MP1474 Rev. 1.0
www.MonolithicPower.com
5
9/26/2012
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2012 MPS. All Rights Reserved.
TYPICAL PERFORMANCE CHARACTERISTICS
Performance waveforms are tested on the evaluation board of the Design Example section.
VIN = 12V, VOUT = 3.3V, L=5.5μH, TA = 25°C, unless otherwise noted.
OUTPUT CURRENT (A)
OUTPUT CURRENT (A)
OUTPUT CURRENT (A)
Short Recovery
IOUT=0A
Startup through Enable
IOUT=0A
Short Entry
IOUT=0A
OUTPUT CURRENT (A)
OUTPUT CURRENT (A)
0
3
6
9
12
15
18
00.511.5
2
OUTPUT CURRENT (A)
Case Temperature Rise
vs. Output Current
IOUT=0A-2A
50
55
60
65
70
75
80
85
90
95
100
0.0
0.4
0.8
1.2
1.6
2.0
VIN=5V
VIN=12V
VIN=16V
50
55
60
65
70
75
80
85
90
95
100
0.0
0.4
0.8
1.2
1.6
2.0
VIN=5V
VIN=12V
VIN=16V
50
55
60
65
70
75
80
85
90
95
100
0.0
0.4
0.8
1.2
1.6
2.0
VIN=5V
VIN=12V
VIN=16V
50
55
60
65
70
75
80
85
90
95
100
0.0
0.4
0.8
1.2
1.6
2.0
VIN=16V
VIN=12V
50
55
60
65
70
75
80
85
90
95
100
0.0
0.4
0.8
1.2
1.6
2.0
VIN=7V
VIN=12V
VIN=16V
VOUT
2V/div.
VPG
5V/div.
VSW
10V/div.
VIN
10V/div.
IINDUCTOR
5A/div.
VOUT
2V/div.
VPG
5V/div.
VSW
10V/div.
VIN
10V/div.
IINDUCTOR
5A/div.
VOUT
2V/div.
VPG
5V/div.
VSW
10V/div.
VEN
5V/div.
IINDUCTOR
2A/div.
VIN=5V



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