SP6656_06 Datasheet, PDF(7/16 Page) Sipex Corporation – High Efficiency 400mA Synchronous Buck Regulator with Dynamically Adjustable Voltage Output

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SP6656_06 Datasheet, PDF (7/16 Pages) Sipex Corporation – High Efficiency 400mA Synchronous Buck Regulator with Dynamically Adjustable Voltage Output

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TYPICAL PERFORMANCE CHARACTERISTICS

Refer to the typical application schematic, TAMB= +27Â°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.2=VOUT

2.0V/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: 3/6/06

SP6656, 400mA Synchronous Buck Regulator with Dynamically Adjustable Voltage Output

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