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MP1474 Datasheet(PDF) 6 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) 6 Page - Monolithic Power Systems

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MP1474 – SYNCHRONOUS STEP-DOWN CONVERTER
MP1474 Rev. 1.0
www.MonolithicPower.com
6
9/26/2012
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2012 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=5.5μH, TA = 25°C, unless otherwise noted.
Startup through Enable
IOUT=2A
Shutdown through
Enable
IOUT=0A
Shutdown through
Enable
IOUT=2A
Startup through Input
Voltage
IOUT=0A
Startup through Input
Voltage
IOUT=2A
Shutdown through
Input Voltage
IOUT=0A
Shutdown through
Input Voltage
IOUT=2A
Input / Output Ripple
IOUT=2A
VSW
10V/div.
IOUT
1A/div.
VIN/AC
200mV/div.
VOUT/AC
20mV/div.
VOUT/AC
50mV/div.
IL
2A/div.
VEN
5V/div.
VSW
10V/div.
VOUT
2V/div.
VPG
5V/div.
IINDUCTOR
2A/div.
VIN
5V/div.
VSW
5V/div.
VOUT
2V/div.
VPG
5V/div.
IINDUCTOR
2A/div.
VIN
5V/div.
VSW
5V/div.
VOUT
2V/div.
VPG
5V/div.
IINDUCTOR
2A/div.
VIN
5V/div.
VSW
5V/div.
VOUT
2V/div.
VPG
5V/div.
IINDUCTOR
2A/div.
VIN
5V/div.
VSW
5V/div.
VOUT
2V/div.
VPG
5V/div.
IINDUCTOR
2A/div.
VEN
5V/div.
VSW
10V/div.
VOUT
2V/div.
VPG
5V/div.
IINDUCTOR
2A/div.
VEN
5V/div.
VSW
10V/div.
VOUT
2V/div.
VPG
5V/div.
IINDUCTOR
2A/div.
Load Transient Reponse
IOUT=1A-2A



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