FAN5355(2010) View Datasheet(PDF) - Fairchild Semiconductor

Part Name

Description

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FAN5355
(Rev.:2010)

1A / 0.8A, 3MHz Digitally Programmable Regulator

Fairchild Semiconductor 

Typical Performance Characteristics

Unless otherwise specified, Auto-PWM/PFM, VIN = 3.6V, TA = 25°C, and recommended components as specified in Table 1.

1.064

1.062

1.060

1.058

1.056

Auto PWM/PFM

Forced PWM

1.054

1.052

1.050

1.048

1

10

100

I LOAD Output Current (mA)

Figure 11. Load Regulation at VOUT = 1.05V

1000

1.364

1.362

1.360

1.358

1.356

1.354

Auto PWM/PFM

Forced PWM

1.352

1.350

1.348

1

10

100

I LOAD Output Current (mA)

Figure 12. Load Regulation at VOUT = 1.35V

1000

1.816

1.814

1.812

1.810

1.808

1.806

1.804

1.802

1.800

1.798

1

Auto PWM/PFM

Forced PWM

10

100

I LOAD Output Current (mA)

1000

0.10%

0.05%

0.00%

-0.05%

-0.10%

-0.15%

-0.20%

-0.25%

-0.30%

-40

-20

VIN = 2.7V

VIN = 3.6V

VIN = 5.5V

0

20

40

60

80

Temperature (C)

Figure 13. Load Regulation at VOUT = 1.80V

70

65

60

55

50

45

VSEL = 1.8V

VSEL = 0V

40

35

30

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

VIN Input Voltage (V)

Figure 15. Quiescent Current, ILOAD = 0, EN = 1.8V

Figure 14. % VOUT Shift vs. Temperature (Normalized)

6.0

5.0

4.0

VSEL = 1.8V

VSEL = 0V

3.0

2.0

1.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

VIN Input Voltage (V)

Figure 16. Shutdown Current, ILOAD = 0, EN = 0

© 2008 Fairchild Semiconductor Corporation

11

FAN5355 • Rev. 1.0.6

www.fairchildsemi.com

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