Si7940DP
Vishay Siliconix
TYPICAL CHARACTERISTICS 25 °C, unless otherwise noted
0.4
40
0.2
0.0
- 0.2
- 0.4
- 0.6
I D = 250 μ A
32
24
16
8
0
- 50
- 25
0
25
50
75
100
125
150
0.01
0.1
1
10
100
600
T J - Temperature (°C)
Threshold Voltage
100
10
Limited by R DS(on) *
I DM
Limited
1 ms
10 ms
Time (s)
Single Pulse Power
1
0.1
I D(on)
Limited
T C = 25 °C
Single Pulse
100 ms
1s
10 s
DC
BV DS S Limited
0.01
0 .1
1
1 0 100
V DS - Drain-to-Source Voltage (V)
* V DS > minimum V GS at which R DS(on) is specified
Safe Operating Area, Junction-to-Ambient
2
1
Duty Cycle = 0.5
0.2
Notes:
0.1
0.1
0.05
P DM
t 1
t 1
0.02
Single Pulse
t 2
1 . Duty Cycle, D =
t 2
2. Per Unit Base = R thJA = 60 °C/W
3. T J M - T A = P DM Z th J A (t)
4. Surface Mounted
0.01
10 - 4
10 - 3
10 - 2
10 - 1
1
1 0
100
600
Square Wave Pulse Duration (s)
Normalized Thermal Transient Impedance, Junction-to-Ambient
www.vishay.com
4
Document Number: 71845
S09-0268-Rev. E, 16-Feb-09
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