MP4460 – 2.5A, 4MHz, 36V STEP-DOWN CONVERTER
TYPICAL PERFORMANCE CHARACTERISTICS
(continued)
V
IN
= 12V, C1 = 10µF, C2 = 22µF, L = 10µH and T
A
= +25°C, unless otherwise noted.
Startup
Shutdown
Startup
I
OUT
= 0.1A
I
OUT
= 0.1A
I
OUT
= 1A
V
EN
5V/div.
V
EN
5V/div.
V
EN
5V/div.
V
OUT
2V/div.
V
SW
10V/div.
I
L
1A/div.
V
OUT
2V/div.
V
SW
10V/div.
I
L
1A/div.
V
OUT
2V/div.
V
SW
10V/div.
I
L
1A/div.
1ms/div.
1ms/div.
1ms/div.
Shutdown
I
OUT
= 1A
Startup
I
OUT
= 2A
Shutdown
I
OUT
= 2A
V
EN
5V/div.
V
EN
5V/div.
V
EN
5V/div.
V
OUT
2V/div.
V
SW
10V/div.
I
L
1A/div.
V
OUT
2V/div.
V
SW
10V/div.
I
L
2A/div.
V
OUT
2V/div.
V
SW
10V/div.
I
L
2A/div.
1ms/div.
Short Circuit Entry
I
OUT
= 0.1A to Short
Short Circuit Recovery
I
OUT
= Short to 0.1A
V
OUT
2V/div.
V
OUT
2V/div.
I
L
1A/div.
I
L
1A/div.
MP4460 Rev. 1.02
12/24/2013
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6
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