Data Sheet

© 2011 Fairchild Semiconductor Corporation www.fairchildsemi.com
FDMF6705B • Rev. 1.0.3 9
FDMF6705B - Extra-Small, High-Performance, High-Frequency DrMOS Module
Typical Performance Characteristics (Continued)
Test Conditions: V
IN
=12 V, V
OUT
=1.0 V, V
CIN
=5 V, V
DRV
=5 V, L
OUT
=320 nH, T
A
=25°C, and natural convection cooling,
unless otherwise specified.
Figure 12. Normalized Power Loss vs.
Output Voltage
Figure 13. Module Power Loss vs.
Output Inductance
Figure 14. Driver Supply Current vs. Frequency Figure 15. Driver Supply Current vs. Driver
Supply Voltage
Figure 16. Normalized Driver Supply Current vs.
Output Current
Figure 17. PWM Thresholds vs. Driver
Supply Voltage
0.9
1.1
1.3
1.5
1.7
1.9
0.5 1.0 1.5 2.0 2.5 3.0 3.5
Normalized Module Power Loss
Output Voltage, V
OUT
(V)
V
IN
= 12V, I
OUT
= 30A, f
SW
= 300kHz
0.98
0.99
1.00
1.01
1.02
1.03
1.04
1.05
225 275 325 375 425
Normalized Module Power Loss
Output Inductance, L
OUT
(nH)
V
IN
= 12V, I
OUT
= 30A, f
SW
= 300kHz
6
10
14
18
22
26
30
34
200 400 600 800 1000
Driver Supply Current, I
VDRV
+ I
VCIN
(mA)
Module Switching Frequency, f
SW
(kHz)
V
IN
= 12V, I
OUT
= 0A, f
SW
= 300kHz
9
10
11
12
4.5 4.75 5 5.25 5.5
Driver Supply Current, I
VDRV
+ I
VCIN
(mA)
Driver Supply Voltage, V
DRV
& V
CIN
(V)
V
IN
= 12V, I
OUT
= 0A, f
SW
= 300kHz
0.98
1.00
1.02
1.04
1.06
1.08
1.10
0 5 10 15 20 25 30 35 40
Normalized Driver Supply Current
Module Output Current, I
OUT
(A)
300kHz
1MHz
0.0
0.5
1.0
1.5
2.0
2.5
3.0
4.50 4.75 5.00 5.25 5.50
PWM Threshold Voltage (V)
Driver Supply Voltage, V
CIN
(V)
V
IH_PWM
V
HiZ_PWM
V
TRI_HI
V
TRI_LO
V
IL_PWM
T
A
= 25°C