FDMF6820B Fairchild Semiconductor, FDMF6820B Datasheet - Page 8

• Manufacturer Part Number: FDMF6820B
• Manufacturer: Fairchild Semiconductor

© 2011 Fairchild Semiconductor Corporation
FDMF6820B • Rev. 1.0.2
Typical Performance Characteristics
Test Conditions: V
unless otherwise specified.
Figure 10. Power Loss vs. Driver Supply Voltage
Figure 8.
1.15
1.10
1.05
1.00
0.95
0.90
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.9
55
50
45
40
35
30
25
20
15
10
5
0
100
4.0
0
V
V
V
IN
IN
200
IN
Figure 6.
= 12V, V
= 12V, V
= 12V, V
25
Power Loss vs. Switching Frequency
300
Module Switching Frequency, F
DRV
DRV
Driver Supply Voltage, V
OUT
4.5
IN
& V
=12V, V
400
& V
PCB Temperature, T
= 1V, F
50
CIN
CIN
Safe Operating Area
= 5V, V
500
= 5V, V
SW
F
SW
= 300kHz, I
OUT
= 300kHz
600
OUT
75
5.0
OUT
F
=1V, V
SW
= 1V
= 1V, I
700
= 1000kHz
DRV
PCB
OUT
100
OUT
& V
(°C)
800
= 30A
CIN
SW
= 30A
CIN
=5V, V
(kHz)
5.5
(V)
900 1000 1100
125
DRV
=5V, L
150
6.0
8
OUT
1.10
1.08
1.06
1.04
1.02
1.00
0.98
0.96
10
11
2.0
1.8
1.6
1.4
1.2
1.0
0.8
=250nH, T
9
8
7
6
5
4
3
2
1
0
Figure 7.
Figure 11. Power Loss vs. Output Voltage
0
0.5
Figure 9.
4
V
DRV
300kHz
500kHz
800kHz
1000kHz
5
& V
1.0
V
6
10
CIN
IN
A
= 12V, V
=25°C, and natural convection cooling,
= 5V, V
Power Loss vs. Output Current
V
15
Module Output Current, I
Power Loss vs. Input Voltage
Module Output Voltage, V
1.5
IN
8
Module Input Voltage, V
= 12V, V
OUT
DRV
20
= 1V, F
& V
2.0
10
DRV
CIN
25
= 5V, F
& V
SW
30
CIN
= 300kHz, I
2.5
12
= 5V, V
SW
35
= 300kHz, I
OUT
OUT
IN
3.0
(V)
OUT
(A)
OUT
14
(V)
40
= 1V
= 30A
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45
OUT
3.5
16
= 30A
50
4.0
55
18