SP6655ER-L/TR 데이터 시트보기 (PDF) - Signal Processing Technologies

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SP6655ER-L/TR

High Efficiency 400mA Synchronous Buck Regulator

Signal Processing Technologies 

TYPICAL PERFORMANCE CHARACTERISTICS

Refer to the typical application schematic, TAMB= +27°C

CH.1=VSHDN

5.0V/DIV.

CH.2=VOUT

2.0V/DIV.

CH.4=ILX

0.5A/DIV.

VIN Start up, VIN=4.2V, IOUT=0.4A, VOUT=3.3V

CH.1=VIN

5.0V/DIV.

CH.2=VOUT

0.5V/DIV.

CH.4=IIN

0.5A/DIV.

VIN Start up,VIN=4.2V, IOUT=0.4A, VOUT=1.5V

Load Step, VIN=4.2V, IOUT=0.1A to 0.4A, VOUT=3.3V

Load Step, VIN=4.2V, IOUT=0.1A to 0.4A, VOUT=1.5V

CH.1=VSHDN

5.0V/DIV.

CH.1=VSHDN

5.0V/DIV.

CH.2=VOUT

2.0V/DIV.

CH.4=ILX

0.5A/DIV.

CH.2=VOUT

0.5V/DIV.

CH.4=ILX

0.5A/DIV.

Start up from SHDN, VIN=5V ,IOUT=0.4A, VOUT=3.3V

Start up from SHDN, VIN=5V, IOUT=0.4A, VOUT=1.5V

Date: 09/27/05

SP6655 High Efficiency 400mA Synchronous Buck Regulator

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