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SI4955DY_05 Datasheet, PDF (5/9 Pages) Vishay Siliconix – Asymmetrical Dual P-Channel 30-V/20-V (D-S) MOSFETs
CHANNEL 1 TYPICAL CHARACTERISTICS 25 °C unless noted
2
1
Duty Cycle = 0.5
Si4955DY
Vishay Siliconix
0.2
0.1
0.1
0.05
0.02
0.01
10- 4
Notes:
PDM
Single Pulse
t1
t2
1. Duty Cycle, D =
t1
t2
2. Per Unit Base = R thJA = 90 °C/W
3. T JM - TA = PDMZthJA(t)
4. Surface Mounted
10- 3
10- 2
10- 1
1
10
100
600
Square Wave Pulse Duration (sec)
Normalized Thermal Transient Impedance, Junction-to-Ambient
2
1
Duty Cycle = 0.5
0.2
0.1
0.1
0.05
0.02
Single Pulse
0.01
10- 4
10- 3
10- 2
10- 1
1
10
Square Wave Pulse Duration (sec)
Normalized Thermal Transient Impedance, Junction-to-Foot
Document Number: 72241
S-61006-Rev. C, 12-Jun-06
www.vishay.com
5