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MP28252 Datasheet(PDF) 7 Page - Monolithic Power Systems

Part # MP28252
Description  High Efficiency 2A, 21V, 500kHz Synchronous Step-down Converter
PDF  14 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP28252 Datasheet(HTML) 7 Page - Monolithic Power Systems

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MP28252 – SYNCHRONOUS STEP-DOWN CONVERTER WITH INTERNAL MOSFETS
MP28252 Rev. 1.1
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 2A Load
Enable Startup
without Load
Power up with 2A Load
VOUT
1V/div
VEN
5V/div
VSW
10V/div
IINDUCTOR
2A/div
VOUT
1V/div
VEN
5V/div
VSW
10V/div
IINDUCTOR
2A/div
VOUT
1V/div
VN
10V/div
VSW
10V/div
IINDUCTOR
2A/div
4ms/div
4ms/div
10ms/div
Load Transient Response
IOUT=1A-2A
Output Ripple Voltage
IOUT=2A
Input Ripple Voltage
IOUT=2A
Power up without Load
VOUT
1V/div
VIN
10V/div
VSW
10V/div
IINDUCTOR
2A/div
10ms/div
VSW
5V/div
VIN/AC
100mV/div
VSW
5V/div
VOUT/AC
20mV/div
IINDUCTOR
2A/div
VOUT/AC
20mV/div
ILOAD
1A/div



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