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| MP2565 Datasheet, PDF (5/20 Pages) Monolithic Power Systems – 2.5A, 4MHz, 50V Step-Down Converter | |||
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MP2565 â 2.5A, 4MHz, 50V STEP-DOWN CONVERTER
TYPICAL PERFORMANCE CHARACTERISTICS
VIN = 12V, VOUT = 5V, C1 = 10µF, C2 = 22µF, L1 = 10µH and TA = +25°C, unless otherwise noted.
Efficiency vs
Load Current
100
90
VIN=5V
80
70
VIN=12V
VIN=24V
60
50
VOUT=2.5V
fs=500kHz
40
0 0.5 1.0 1.5 2.0 2.5
LOAD CURRENT (A)
Efficiency vs
Load Current
100
90
VIN=12V
80
VIN=24V
70
60
50
40
0
VOUT=5V
fs=500kHz
0.5 1.0 1.5 2.0 2.5
LOAD CURRENT (A)
Oscillating Frequency
vs Rfreq
4000
3500
3000
2500
2000
1500
1000
500
0
10
100
1000
Steady State
IOUT = 0.1A
VOUT
AC Coupled
10mV/div.
Steady State
IOUT = 1A
VOUT
AC Coupled
20mV/div.
Steady State
IOUT = 2A
VOUT
AC Coupled
20mV/div.
VSW
10V/div.
IL
1A/div.
VSW
10V/div.
IL
1A/div.
VSW
10V/div.
IL
2A/div.
MP2565 Rev. 0.91
www.MonolithicPower.com
5
4/19/2011
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2011 MPS. All Rights Reserved.
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