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| MP2359DT-LF-Z Datasheet, PDF (5/11 Pages) MPS Industries, Inc. – 1.2A, 24V, 1.4MHz Step-Down Converter in a TSOT23-6 | |||
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MP2359 â 1.2A, 24V, 1.4MHz STEP-DOWN CONVERTER IN A TSOT23-6
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
VIN = 12V, VOUT = 3.3V, L = 4.7µH, C1 = 10µF, C2 = 22µF, TA = +25ºC, unless otherwise noted.
Current Limit vs
Duty Cycle
3.0
Steady State Test
IOUT = 0.5A
2.5
2.0
1.5
1.0
0.5
0
0
VOUT
AC Coupled
50mV/div.
IL
1A/div.
ILOAD
1A/div.
20 40 60 80 100
DUTY CYCLE (%)
VOUT
20mV/div.
VSW
10V/div.
IL
500mA/div.
400ns/div.
Short Circuit Entry
Short Circuit Recovery
Start-up through Enable
No Load
VOUT
1V/div.
IL
1A/div.
VOUT
1V/div.
IL
1A/div.
VEN
5V/div.
VOUT
1V/div.
VSW
10V/div.
IL
500mA/div.
Start-up through Enable
IOUT = 1A Resistive Load
Shut-down through Enable
No Load
Shut-down through Enable
IOUT = 1A Resistive Load
VEN
5V/div.
VOUT
1V/div.
VSW
10V/div.
IL
1A/div.
VEN
5V/div.
VOUT
2V/div.
VSW
10V/div.
IL
1A/div.
VEN
5V/div.
VOUT
2V/div.
VSW
10V/div.
IL
1A/div.
MP2359 Rev. 1.21
www.MonolithicPower.com
5
7/18/2011
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2011 MPS. All Rights Reserved.
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