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MP28253EL Datasheet(PDF) 7 Page - Monolithic Power Systems

Part # MP28253EL
Description  21V, 3A, 500kHz Synchronous Step-down Converter
PDF  15 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP28253EL Datasheet(HTML) 7 Page - Monolithic Power Systems

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MP28253 – 3A, 21V, SYNCHRONOUS STEP-DOWN CONVERTER WITH INTERNAL MOSFETS
MP28253 Rev. 1.02
www.MonolithicPower.com
7
12/25/2013
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2013 MPS. All Rights Reserved.
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
VIN = 12V, VOUT = 1.2V, L=1.8μH, TA = +25ºC, unless otherwise noted.
Enable Startup
with 3A Load
Enable Startup
without Load
Power Up without Load
Power Up with 3A Load
VOUT
1V/div
VSW
5V/div
IINDUCTOR
5A/div
VOUT
1V/div
VEN
5V/div
VSW
5V/div
IINDUCTOR
5A/div
IINDUCTOR
5A/div
VOUT
1V/div
VEN
5V/div
VSW
5V/div
IINDUCTOR
5A/div
VOUT
1V/div
VIN
10V/div
VSW
5V/div
IINDUCTOR
5A/div
1ms/div
2ms/div
2ms/div
2ms/div
2ms/div
Short Entry
Short Recovery
Output Ripple Voltage
IOUT=3A
Input Ripple Voltage
IOUT=3A
VOUT
1V/div
VIN
10V/div
VSW
5V/div
IINDUCTOR
5A/div
VOUT
1V/div
VSW
5V/div
IINDUCTOR
5A/div
2ms/div
VSW
5V/div
VSW
5V/div
VOUT/AC
10mV/div
VIN/AC
100mV/div
Load Transient Response
IOUT=1.5A-3A
VOUT/AC
50mV/div
IOUT
2A/div



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