FR9855 datasheet(8/16 Pages) FITIPOWER

部品番号	FR9855

部品情報	18V, 5.5A Synchronous Step-Downn DC/DC Converter

PDF	16 Pages

Scroll/Zoom	100%

メーカー	FITIPOWER [Fitipower Integrated Technology Inc.]

ホームページ	http://www.fitipower.com/en_US/index.asp

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FR9855-Preliminary 0.3-JAN-2016

FR9855

85T

Typical Performance Curves (Continued)

VIN=12V, VOUT=1.2V, C1=10μFx2, C7=22μFx2, L1=1.5μH, TA=+25°C, unless otherwise noted. This is measured by using

FR9855SP.

Figure 11. Quiescent Current vs. Ambient Temperature

Figure 12. Quiescent Current vs. Input Voltage

Figure 13. Shutdown Current vs. Ambient Temperature

Figure 14. Shutdown Current vs. Input Voltage

VIN=12V, V

=2V VOUT=1V, L=1.5μH

VIN=12V, V

=2V VOUT=5V, L=3.3μH

Figure 15. Switch Frequency vs. Load Current

Figure 16. Switch Frequency vs. Load Current

0.2

0.4

0.6

0.8

-45 -35 -25 -15 -5

15 25 35 45 55 65 75 85

Ambient Temperature (°C)

0.2

0.4

0.6

0.8

Input Voltage (V)

0.2

0.4

0.6

0.8

-45 -35 -25 -15 -5

15 25 35 45 55 65 75 85

Ambient Temperature (°C)

0.2

0.4

0.6

0.8

Input Voltage (V)

400

450

500

550

600

650

700

750

800

1.5

2.5

3.5

4.5

5.5

Load Current (A)

300

350

400

450

500

550

600

650

700

1.5

2.5

3.5

4.5

5.5

Load Current (A)

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