MP1584 – 3A, 1.5MHz, 28V STEP-DOWN CONVERTER
TYPICAL PERFORMANCE CHARACTERISTICS
VIN = 12V, VOUT=5V, C1 = 10µF, C2 = 22µF, L1= 10µH, TA = +25C, unless otherwise noted.
Oscillating Frequency
vs. Rfreq
1600
1400
1200
1000
800
600
400
200
0
10
100
1000
10000
Steady State
IOUT=2A, fSW=500kHz
Steady State
IOUT=0.1A, fSW=500kHz
Steady State
IOUT=1A, fSW=500kHz
V
V
V
OUT
AC Coupled
10mV/div.
OUT
OUT
AC Coupled
10mV/div.
AC Coupled
10mV/div.
V
V
SW
SW
V
SW
10V/div.
10V/div.
10V/div.
I
L
1A/div.
I
I
L
L
2A/div.
1A/div.
2
v.
1
v.
2
v.
MP1584 Rev. 1.0
8/8/2011
www.MonolithicPower.com
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