FAN5355(2010) Просмотр технического описания (PDF) - Fairchild Semiconductor

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Компоненты Описание

производитель

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.

Efficiency

100 %

90 %

80 %

70 %

60 %

50 %

40 %

30 %

20 %

10 %

0%

1

Auto PWM/PFM

Forced PWM

VIN = 3.6V

VOUT = 1.05V

10

10 0

I LOAD Ou tpu t Curre nt (mA)

100 0

Figure 7. Efficiency vs. Load at VOUT = 1.05V

100 %

90 %

80 %

70 %

60 %

50 %

40 %

30 %

20 %

10 %

0%

1

Auto PWM/PFM

Forced PWM

VIN = 3.6V

VOUT = 1.35V

10

10 0

I LOAD Ou tput Curre nt (mA)

100 0

Figure 8. Efficiency vs. Load at VOUT = 1.35V

100 %

90 %

80 %

70 %

60 %

50 %

40 %

30 %

20 %

10 %

0%

1

Auto PWM/PFM

Forced PWM

VIN = 3.6V

VOUT = 1.5V

10

10 0

I LOAD Ou tpu t Curre nt (mA)

100 0

Figure 9. Efficiency vs. Load at VOUT = 1.50V

100%

90%

80%

70%

60%

50%

40%

30%

20%

10%

0%

1

Auto PWM/PFM

Forced PWM

VIN = 3.6V

VOUT = 1.8V

10

100

I LOAD Output Current (mA)

1000

Figure 10. Efficiency vs. Load at VOUT = 1.80V

© 2008 Fairchild Semiconductor Corporation

10

FAN5355 • Rev. 1.0.6

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