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SI6946DQ Datasheet, PDF (4/4 Pages) Vishay Siliconix – Dual N-Channel 2.5-V (G-S) MOSFET
Si6946DQ
Vishay Siliconix
TYPICAL CHARACTERISTICS (25_C UNLESS NOTED)
Source-Drain Diode Forward Voltage
30
20
TJ = 150_C
10
On-Resistance vs. Gate-to-Source Voltage
0.10
0.09
0.08
TJ = 25_C
0.07
0.06
ID = 2.8 A
0.05
1
0.00 0.25 0.50 0.75 1.00 1.25 1.50
VSD – Source-to-Drain Voltage (V)
Threshold Voltage
1.0
0.04
0
2
4
6
8
VGS – Gate-to-Source Voltage (V)
Single Pulse Power
25
20
0.5
15
0.0
ID = 250 µA
10
–0.5
5
–1.0
–50 –25
0 25 50 75 100 125 150
TJ – Temperature (_C)
0
0.001
0.01
0.1
1
Time (sec)
2
1
Duty Cycle = 0.5
Normalized Thermal Transient Impedance, Junction-to-Ambient
10 30
0.2
0.1
0.1
0.05
0.02
0.01
10–4
Single Pulse
10–3
10–2
10–1
Square Wave Pulse Duration (sec)
Notes:
PDM
t1
t2
1. Duty Cycle, D =
t1
t2
2. Per Unit Base = RthJA = 125_C/W
3. TJM – TA = PDMZthJA(t)
4. Surface Mounted
1
10
30
www.vishay.com S FaxBack 408-970-5600
2-4
Document Number: 70177
S-49534—Rev. E, 06-Oct-97