FDH34N40 Fairchild Semiconductor, FDH34N40 Datasheet - Page 4

• Manufacturer Part Number: FDH34N40
• Description: 34a, 400v, 0.115 Ohm, N-channel Smps Power Mosfet
• Manufacturer: Fairchild Semiconductor

©2002 Fairchild Semiconductor Corporation
Typical Characteristics
Figure 7. Source to Drain Diode Forward Voltage
60
50
40
30
20
10
0
0.3
0.01
1.0
0.1
10
0.02
-5
0.50
0.10
0.05
0.01
0.20
0.4
V
SD
SINGLE PULSE
T
, SOURCE TO DRAIN VOLTAGE (V)
0.5
J
= 175
Figure 10. Normalized Maximum Transient Thermal Impedance
o
0.6
C
Figure 9. Maximum Drain Current vs Case Temperature
10
-4
0.7
35
30
25
20
15
10
5
0
25
0.8
t
1
, RECTANGULAR PULSE DURATION (s)
T
0.9
J
= 25
50
o
T
10
C
1.0
C
-3
, CASE TEMPERATURE (°C)
75
1.1
100
200
100
Figure 8. Maximum Safe Operating Area
10
1
1
10
125
-2
TC = 25
OPERATION IN THIS AREA
LIMITED BY RDS(ON)
V
DUTY FACTOR, D = t1 / t2
PEAK TJ = (PD X Z JC X R JC) + TC
o
DS
C
150
, DRAIN TO SOURCE VOLTAGE (V)
PD
10
175
10
-1
t1
t2
100
10
FDH34N40 Rev. A
0
100 s
10ms
1ms
DC
1000