SP6655 datasheet(5/16 Pages) SIPEX

No de pièce	SP6655

Description	High Efficiency 400mA Synchronous Buck Regulator

PDF	16 Pages

Scroll/Zoom	100%

Fabricant	SIPEX [Sipex Corporation]

Site Internet	http://www.sipex.com

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5 / 16 page

Date: 09/27/05

SP6655 High Efficiency 400mA Synchronous Buck Regulator

0.0

100.0

200.0

300.0

400.0

500.0

600.0

700.0

3.5

4.0

4.5

5.0

Vin (V)

Vout = 3.3V

Measured

Vout = 3.3V

Calculated

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

3.6

3.9

4.2

4.5

4.8

5.1

5.4

Vin (V)

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

3.0

3.3

3.6

3.9

4.2

4.5

4.8

5.1

5.4

Vin (V)

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

3.6

3.9

4.2

4.5

4.8

5.1

5.4

Vin (V)

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

3.0

3.3

3.6

3.9

4.2

4.5

4.8

5.1

5.4

Vin (V)

ON vs VIN, VOUT=3.3V

ON vs VIN, VOUT=1.5V

OFF vs VIN, VOUT=3.3V

OFF vs VIN, VOUT=1.5V

TYPICAL PERFORMANCE CHARACTERISTICS

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

0.0

100.0

200.0

300.0

400.0

500.0

600.0

700.0

3.4

3.8

4.2

4.6

5.0

Vin (V)

Vout = 1.5V

Measured

Vout = 1.5V

Calculated

Ripple Frequency vs. V

IN, IOUT=0.4A, VOUT=3.3V

Ripple Frequency vs. V

IN, IOUT=0.4A, VOUT=1.5V

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