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.
Strart up
IOUT=0.1A
Strart up
IOUT=1A
Strart up
IOUT=2A
VEN
2V/div
VEN
2V/div
VEN
2V/div
VOUT
2V/div
VOUT
2V/div
VOUT
2V/div
V
V
sw
sw
V
sw
10V/div
10V/div
10V/div
I
L
I
1A/div
L
I
L
1A/div
2A/div
10ms/div
4ms/div
4ms/div
Shut down
IOUT=0.1A
Shut down
IOUT=1A
Shut down
IOUT=2A
VEN
2V/div
VEN
2V/div
VEN
2V/div
VOUT
2V/div
VOUT
2V/div
VOUT
2V/div
V
sw
10V/div
V
V
sw
sw
10V/div
10V/div
I
L
1A/div
I
L
I
L
1A/div
2A/div
1ms/div
Short Circuit Entry
IOUT=0.1A to Short
Short Circuit Steady State
Short Circuit Recovery
IOUT=Short to 0A
VOUT
2V/div
VOUT
2V/div
VOUT
2V/div
V
V
V
sw
sw
sw
10V/div
10V/div
10V/div
I
I
I
L
L
L
1A/div
1A/div
2A/div
MP4560 Rev. 1.0
11/5/2012
www.MonolithicPower.com
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