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FR9855 Datasheet(PDF) 8 Page - Fitipower Integrated Technology Inc.

No. de pieza FR9855
Descripción Electrónicos  18V, 5.5A Synchronous Step-Downn DC/DC Converter
PDF  16 Pages
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Fabricante Electrónico  FITIPOWER [Fitipower Integrated Technology Inc.]
Página de inicio  http://www.fitipower.com/en_US/index.asp
Logo FITIPOWER - Fitipower Integrated Technology Inc.

FR9855 Datasheet(HTML) 8 Page - Fitipower Integrated Technology Inc.

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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
0.2
0.4
0.6
0.8
1
-45 -35 -25 -15 -5
5
15 25 35 45 55 65 75 85
Ambient Temperature (°C)
0
0.2
0.4
0.6
0.8
1
5
7
9
11
13
15
17
19
Input Voltage (V)
0
0.2
0.4
0.6
0.8
1
-45 -35 -25 -15 -5
5
15 25 35 45 55 65 75 85
Ambient Temperature (°C)
0
0.2
0.4
0.6
0.8
1
5
7
9
11
13
15
17
19
Input Voltage (V)
400
450
500
550
600
650
700
750
800
1
1.5
2
2.5
3
3.5
4
4.5
5
5.5
Load Current (A)
300
350
400
450
500
550
600
650
700
1
1.5
2
2.5
3
3.5
4
4.5
5
5.5
Load Current (A)



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