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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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MPQ4558DN 데이터시트(PDF) 7 Page - Monolithic Power Systems |
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MPQ4558DN 데이터시트(HTML) 7 Page - Monolithic Power Systems |
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7 / 21 page  MPQ4558 – 1A, 2MHz, 55V STEP-DOWN CONVERTER, AEC-Q100 QUALIFIED MPQ4558 Rev. 1.01 www.MonolithicPower.com 7 5/17/2013 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2013 MPS. All Rights Reserved. TYPICAL PERFORMANCE CHARACTERISTICS VIN = 12V, VOUT =3.3V, C1 = 4.7µF, C2 = 22µF, L1 = 10µH and TJ = 25°C, unless otherwise noted. 0 10 20 30 40 50 60 70 80 90 100 OUTPUT CURRENT (A) OUTPUT CURRENT (A) Efficiency @VOUT=5V Output Voltage Ripple IOUT=0.1A VOUT AC Coupled 10mV/div Vsw 10V/div IL 500mA/div Output Voltage Ripple IOUT=1A VOUT AC Coupled 10mV/div Vsw 10V/div IL 1A/div 0 10 20 30 40 50 60 70 80 90 0 0.5 0.25 0.75 1 VIN=12V VIN=12V VIN=55V VIN=48V 0 0.5 0.25 0.75 1 VEN 2V/div VOUT 2V/div Vsw 10V/div IL 1A/div IOUT=0.1A IOUT=1A VEN 2V/div VOUT 2V/div Vsw 10V/div IL 1A/div Start up Start up Shut down IOUT=0.1A EN 2V/div OUT 2V/div sw 10V/div IL 1A/div Shut down I OUT =1A VEN 2V/div VOUT 2V/div Vsw 10V/div IL 1A/div Short Circuit Entry IOUT=0.1A to Short OUT 2V/div sw 10V/div IL 1A/div |
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