Data Sheet

© 2011 Fairchild Semiconductor Corporation www.fairchildsemi.com
FDMF6823A • Rev. 1.0.3 8
FDMF6823A — Extra-Small, High-Performance, High-Frequency DrMOS Module
Typical Performance Characteristics
Test Conditions: V
IN
=12 V, V
OUT
=1 V, V
CIN
=5 V, V
DRV
=5 V, L
OUT
=250 nH, T
A
=25°C, and natural convection cooling,
unless otherwise specified.
Figure 6. Safe Operating Area Figure 7. Power Loss vs. Output Current
Figure 8. Power Loss vs. Switching Frequency Figure 9. Power Loss vs. Input Voltage
Figure 10. Power Loss vs. Driver Supply Voltage Figure 11. Power Loss vs. Output Voltage
0
5
10
15
20
25
30
35
40
45
50
55
60
0 25 50 75 100 125 150
Module Output Current, I
OUT
(A)
PCB Temperature, T
PCB
(°C)
F
SW
= 300kHz
F
SW
= 1000kHz
V
IN
= 12V, V
DRV
& V
CIN
= 5V, V
OUT
= 1V
0
1
2
3
4
5
6
7
8
9
10
11
0 5 10 15 20 25 30 35 40 45 50 55
Module Power Loss, PL
MOD
(W)
Module Output Current, I
OUT
(A)
300kHz
500kHz
800kHz
1000kHz
V
IN
= 12V, V
DRV
& V
CIN
= 5V, V
OUT
= 1V
0.9
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
100 200 300 400 500 600 700 800 900 1000 1100
Normalized Module Power Loss
Module Switching Frequency, F
SW
(kHz)
V
IN
= 12V, V
DRV
& V
CIN
= 5V, V
OUT
= 1V, I
OUT
= 30A
0.98
1.00
1.02
1.04
1.06
1.08
1.10
1.12
4 6 8 1012141618
Normalized Module Power Loss
Module Input Voltage, V
IN
(V)
V
DRV
& V
CIN
= 5V, V
OUT
= 1V, F
SW
= 300kHz, I
OUT
= 30A
0.90
0.95
1.00
1.05
1.10
1.15
4.0 4.5 5.0 5.5 6.0
Normalized Module Power Loss
Driver Supply Voltage, V
DRV
& V
CIN
(V)
V
IN
= 12V, V
OUT
= 1V, F
SW
= 300kHz, I
OUT
= 30A
0.8
1.0
1.2
1.4
1.6
1.8
2.0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
Normalized Module Power Loss
Module Output Voltage, V
OUT
(V)
V
IN
= 12V, V
DRV
& V
CIN
= 5V, F
SW
= 300kHz, I
OUT
= 30A