FDMF6833C データシートの表示（PDF） - Fairchild Semiconductor
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FDMF6833C Datasheet PDF : 19 Pages
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Typical Performance Characteristics
Test Conditions: VIN=12 V or 19 V, VOUT=1 V, VCIN=5 V, VDRV=5 V, LOUT=250 nH, TA=25°C, and natural convection
cooling, unless otherwise specified.
50
45
40
35
30
FSW = 300kHz
25
20
FSW = 1000kHz
15
10
5
VIN = 12V, VDRV & VCIN = 5V, VOUT = 1V
0
0
25
50
75
100
125
150
PCB Temperature, TPCB (°C)
50
45
40
35
30
FSW = 300kHz
25
20
FSW = 1000kHz
15
10
5
VIN = 19V, VDRV & VCIN = 5V, VOUT = 1V
0
0
25
50
75
100
125
150
PCB Temperature, TPCB (°C)
Figure 6. Safe Operating Area for 12 VIN
Figure 7. Safe Operating Area for 19 VIN
11
10
9
8
7
6
5
4
3
2
1
0
0
12Vin 300kHz
12Vin 500kHz
12Vin 800kHz
12Vin 1000kHz
VDRV & VCIN = 5V, VOUT = 1V
5
10 15 20 25 30 35 40 45
Module Output Current, IOUT (A)
11
10
9
8
7
6
5
4
3
2
1
0
0
19Vin 300kHz
19Vin 500kHz
19Vin 800kHz
19Vin 1000kHz
VDRV & VCIN = 5V, VOUT = 1V
5
10 15 20 25 30 35 40 45
Module Output Current, IOUT (A)
Figure 8. Power Loss vs. Output Current for 12 VIN
1.6
VIN = 12V, VDRV & VCIN = 5V, VOUT = 1V, IOUT = 30A
1.5
1.4
Figure 9. Power Loss vs. Output Current for 19 VIN
1.16
VDRV & VCIN = 5V, VOUT = 1V, FSW = 300kHz, IOUT = 30A
1.12
1.3
1.08
1.2
1.04
1.1
1.00
1.0
0.9
100 200 300 400 500 600 700 800 900 1000 1100
Module Switching Frequency, FSW (kHz)
Figure 10. Power Loss vs. Switching Frequency
0.96
4
6
8
10
12
14
16
18
20
Module Input Voltage, VIN (V)
Figure 11. Power Loss vs. Input Voltage
© 2011 Fairchild Semiconductor Corporation
FDMF6833C • Rev. 1.0.4
8
www.fairchildsemi.com
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