SI5944DU Datasheet, PDF (3/10 Pages) Vishay Siliconix – Dual N-Channel 40-V (D-S) MOSFET

TYPICAL CHARACTERISTICS 25 °C, unless otherwise noted
10
5
V_GS = 10 V thru 5 V
8
4
Si5944DU
Vishay Siliconix
6
3
4
2
0
0
0.25
0.20
V_GS = 4 V
V_GS = 3 V
1
2
3
4
5
V_DS - Drain-to-Source Voltage (V)
Output Characteristics
V_GS = 4.5 V
0.15
0.10
V_GS = 10 V
0.05
0.00
0
2
4
6
8
10
I_D - Drain Current (A)
On-Resistance vs. Drain Current and Gate Voltage
10
I_D = 3.3 A
8
6
V_DS = 20 V
V_DS = 32 V
4
2
0
0
1
2
3
4
5
Q_g - Total Gate Charge (nC)
Gate Charge
Document Number: 73683
S-81449-Rev. B, 23-Jun-08
2
1
0
0
300
T_C = 125 °C
T_C = 25 °C
- 55 °C
1
2
3
4
5
V_GS - Gate-to-Source Voltage (V)
Transfer Characteristics
250
C_iss
200
150
100
50
C_oss
0 ^Crss
05
10 15 20 25 30 35 40
V_DS - Drain-to-Source Voltage (V)
Capacitance
1.7
V_GS = 10 V, I_D = 3.3 A
1.5 ^{VGS = 4.5 V, ID = 2.8 A}
1.3
1.1
0.9
0.7
0.5
- 50 - 25 0
25 50 75 100 125 150
T_J - Junction Temperature (°C)
On-Resistance vs. Junction Temperature
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3