SP6654EU datasheet(5/16 Pages) SIPEX

Il numero della parte	SP6654EU

Spiegazioni elettronici	High Efficiency 800mA Synchronous Buck Regulator Ideal for portable designs powered with Li Ion battery

PDF	16 Pages

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Produttore elettronici	SIPEX [Sipex Corporation]

Homepage	http://www.sipex.com

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5 / 16 page

Date: 05/25/04

SP6654 High Efficiency 800mA Synchronous Buck Regulator

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)

Figure 7. K

ON vs VIN, VOUT=3.3V

Figure 8. K

ON vs VIN, VOUT=1.5V

Figure 9. K

OFF vs VIN, VOUT=3.3V

Figure 10. K

OFF vs VIN, VOUT=1.5V

TYPICAL PERFORMANCE CHARATERISTICS: Continued

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

3.5

4.0

4.5

5.0

Vin (V)

Vout = 3.3V

Measured

Vout = 3.3V

Calculated

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

Figure 11. Ripple Frequency vs. V

IN, IOUT=600mA,

OUT=3.3V

Figure 12. Ripple Frequency vs. V

IN, IOUT=600mA,

OUT=1.5V

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