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| MP28275 Datasheet, PDF (7/14 Pages) Monolithic Power Systems – 7V, 5A, 1.1MHz Synchronous Step-down Converter | |||
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MP28275 â 5A, 7V, SYNCHRONOUS STEP-DOWN CONVERTER WITH INTERNAL MOSFETS
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
VIN = 5V, VOUT = 1.2V, L = 0.95µH, TA = +25ºC, unless otherwise noted.
Short Entry
Short Recovery
Power Up without Load
VOUT
1V/div
VSW
2V/div
IINDUCTOR
10A/div
2ms/div
VOUT
1V/div
VSW
2V/div
IINDUCTOR
10A/div
2ms/div
VOUT
1V/div
VSW
5V/div
VIN
5V/div
IINDUCTOR
2A/div
4ms/div
Power up with 5A Load
Enable Startup
without Load
VOUT
1V/div
VSW
5V/div
VIN
5V/div
IINDUCTOR
5A/div
4ms/div
VOUT
1V/div
VSW
5V/div
VEN
5V/div
IINDUCTOR
2A/div
4ms/div
Enable Startup
with 5A Load
VOUT
1V/div
VSW
5V/div
VEN
5V/div
IINDUCTOR
5A/div
4ms/div
Input Ripple Voltage
IOUT=5A
VIN/AC
100mV/div
VSW
2V/div
Output Ripple Voltage
IOUT=5A
Load Transient Response
IOUT=2.5A-5A
VOUT/AC
10mV/div
VOUT/AC
200mV/div
VSW
5V/div
IINDUCTOR
5A/div
400ns/div
IOUT
2A/div
MP28275 Rev. 1.0
www.MonolithicPower.com
7
5/29/2013
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2013 MPS. All Rights Reserved.
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