MP4560 – 2A, 2MHz, 55V STEP-DOWN CONVERTER
TYPICAL PERFORMANCE CHARACTERISTICS
VIN = 12V, VOUT =3.3V, C1 = 4.7µF, C2 = 22µF, L1 = 10µH and TA = +25°C, unless otherwise noted.
Efficiency @V
=2.5V
OUT
Efficiency @V
OUT
L1=15uH, fs=500kHz
=5V
Output Voltage Ripple
IOUT=0.1A
100
90
80
70
60
50
40
30
20
10
0
90
80
70
60
50
40
30
20
10
0
Vin=12V
Vin=12V
VOUT
AC Coupled
10mV/div
Vin=55V
Vin=48V
V
sw
10V/div
I
L
500mA/div
0
0.5
1
1.5
2
0
0.5
1
1.5
2
OUTPUT CURRENT (A)
OUTPUT CURRENT (A)
Output Voltage Ripple
IOUT=1A
Output Voltage Ripple
IOUT=2A
VOUT
AC Coupled
10mV/div
VOUT
AC Coupled
10mV/div
V
V
sw
sw
10V/div
10V/div
I
I
L
L
2A/div
1A/div
MP4560 Rev. 1.0
11/5/2012
www.MonolithicPower.com
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