FDMF6705B Fairchild Semiconductor, FDMF6705B Datasheet - Page 8

• Manufacturer Part Number: FDMF6705B
• Manufacturer: Fairchild Semiconductor

© 2011 Fairchild Semiconductor Corporation
FDMF6705B • Rev. 1.0.2
Typical Performance Characteristics
Test Conditions: V
unless otherwise specified.
Figure 10. Normalized Power Loss vs. Input Voltage
Figure 8. Module Power Loss vs. Output Current
1.20
1.15
1.10
1.05
1.00
0.95
12
10
11
45
40
35
30
25
20
15
10
9
8
7
6
5
4
3
2
1
0
5
0
0
0
4
V
Θ
Figure 6. Safe Operating Area
IN
JPCB
5
= 12V, V
6
25
= 3.5°C/W
I
OUT
IN
10
= 30A, f
=12V, V
300kHz
500kHz
800kHz
1MHz
OUT
8
Module Input Voltage, V
PCB Temperature (°C)
Output Current, I
50
f
= 1.0V
SW
15
SW
10
= 300kHz
= 300kHz
OUT
f
SW
20
V
75
=1.0V, V
= 1MHz
IN
12
= 19V, V
OUT
25
14
100
(A)
OUT
CIN
IN
= 1V
=5V, V
30
(V)
16
125
35
DRV
18
=5V, L
150
40
20
8
OUT
Figure 7. Module Power Loss vs. Output Current
=320nH, T
11
10
1.15
1.10
1.05
1.00
0.95
0.90
Figure 9. Module Power Loss vs. Switching
Figure 11. Normalized Power Loss vs. Driver
9
8
7
6
5
4
3
2
1
0
9
8
7
6
5
4
3
2
1
200
0
4.50
300
Vin = 19V, Iout = 30A
Vin = 12V, Iout = 30A
Vin = 19V, Iout = 20A
Vin = 12V, Iout = 20A
5
A
V
=25°C, and natural convection cooling,
IN
Module Switching Frequency, f
Driver Supply Voltage, V
= 12V, I
400
10
4.75
300kHz
500kHZ
800kHz
1MHz
Output Current, I
OUT
Supply Voltage
15
500
= 30A, f
Frequency
SW
20
600
5.00
V
= 300kHz
IN
= 12V, V
OUT
DRV
25
700
(A)
and V
OUT
SW
5.25
30
800
= 1V
CIN
(kHz)
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(V)
35
900
5.50
1000
40