MP1482 Ver la hoja de datos (PDF) - Monolithic Power Systems
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MP1482 Datasheet PDF : 12 Pages
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MP1482 – 2A, 18V SYNCHRONOUS RECTIFIED, STEP-DOWN CONVERTER
TYPICAL PERFORMANCE CHARACTERISTICS
VIN = 12V, VO = 3.3V, L = 10µH, C1 = 10µF, C2 = 22µF, TA = +25°C, unless otherwise noted.
Steady State Test
VIN = 12V, VOUT = 3.3V
IOUT = 0A, IIN= 8.2mA
Startup through Enable
VIN = 12V, VOUT = 3.3V
IOUT = 1A (Resistance Load)
Shutdown through Enable
VIN = 12V, VOUT = 3.3V
IOUT = 1A (Resistance Load)
VIN
20mV/div.
VOUT
20mV/div.
IL
1A/div.
VSW
10V/div.
VEN
5V/div.
VOUT
1V/div.
IL
1A/div.
VSW
10V/div.
VEN
5V/div.
VOUT
2V/div.
IL
1A/div.
VSW
10V/div.
Heavy Load Operation
2A Load
VIN, AC
200mV/div.
VO, AC
20mV/div.
IL
1A/div.
VSW
10V/div.
Medium Load Operation
1A Load
Light Load Operation
No Load
VIN, AC
200mV/div.
VIN, AC
20mV/div.
VO, AC
20mV/div.
IL
1A/div.
VO, AC
20mV/div.
IL
1A/div.
VSW
10V/div.
VSW
10V/div.
Short Circuit
Protection
VOUT
2V/div.
IL
2A/div.
Short Circuit
Recovery
VOUT
2V/div.
IL
2A/div.
Load Transient
VOUT
200mV/div.
IL
1A/div.
ILOAD
1A/div.
MP1482 Rev. 1.31
www.MonolithicPower.com
5
7/9/2012
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2012 MPS. All Rights Reserved.
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