FDMF6705B Fairchild Semiconductor, FDMF6705B Datasheet - Page 9

• 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 16. Normalized Driver Supply Current vs.
Figure 14. Driver Supply Current vs. Frequency
34
30
26
22
18
14
10
1.9
1.7
1.5
1.3
1.1
0.9
6
1.10
1.08
1.06
1.04
1.02
1.00
0.98
200
0.5
Figure 12. Normalized Power Loss vs.
0
V
IN
= 12V, I
V
IN
Module Switching Frequency, f
1.0
5
= 12V, I
400
OUT
IN
10
Module Output Current, I
=12V, V
OUT
= 30A, f
Output Voltage, V
1.5
Output Voltage
Output Current
= 0A, f
15
SW
SW
= 300kHz
OUT
600
2.0
= 300kHz
20
=1.0V, V
OUT
25
2.5
(V)
SW
OUT
800
CIN
(kHz)
30
(A)
=5V, V
300kHz
1MHz
3.0
35
DRV
1000
(Continued)
3.5
40
=5V, L
9
OUT
12
10
11
1.05
1.04
1.03
1.02
1.01
1.00
0.99
0.98
Figure 15. Driver Supply Current vs. Driver
9
3.0
2.5
2.0
1.5
1.0
0.5
0.0
=320nH, T
4.5
Figure 17. PWM Thresholds vs. Driver
4.50
225
Figure 13. Module Power Loss vs.
T
A
V
V
= 25°C
IN
V
IH_PWM
= 12V, I
TRI_HI
Driver Supply Voltage, V
A
=25°C, and natural convection cooling,
4.75
4.75
275
Driver Supply Voltage, V
Output Inductance, L
OUT
Output Inductance
V
= 0A, f
Supply Voltage
Supply Voltage
IN
= 12V, I
SW
= 300kHz
5.00
OUT
325
5
= 30A, f
V
HiZ_PWM
V
V
DRV
TRI_LO
IL_PWM
OUT
SW
& V
CIN
= 300kHz
(nH)
5.25
5.25
CIN
375
(V)
(V)
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5.50
425
5.5