Datasheet

Document Number: 72092
S09-0131-Rev. C, 02-Feb-09
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3
Vishay Siliconix
Si4431BDY
TYPICAL CHARACTERISTICS 25 °C, unless otherwise noted
On-Resistance vs. Drain Current
Gate Charge
Source-Drain Diode Forward Voltage
- On-Resistance (Ω)R
DS(on)
0.00
0.02
0.04
0.06
0.08
0 5 10 15 20 25 30
I
D
- Drain Current (A)
V
GS
= 10 V
V
GS
= 4.5 V
0
2
4
6
8
10
0 5 10 15 20 25
V
DS
= 15 V
I
D
= 7.5 A
- Gate-to-Source Voltage (V)
Q
g
- Total Gate Charge (nC)
V
GS
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4
T
J
= 150 °C
30
10
1
V
SD
- Source-to-Drain Voltage (V)
- Source Current (A)I
S
T
J
= 25 °C
Capacitance
On-Resistance vs. Junction Temperature
On-Resistance vs. Gate-to-Source Voltage
0
200
400
600
800
1000
1200
1400
1600
0 6 12 18 24 30
V
DS
- Drain-to-Source Voltage (V)
C
rss
C
oss
C
iss
C - Capacitance (pF)
0.6
0.8
1.0
1.2
1.4
1.6
- 50 - 25 0 2 5 5 0 7 5 100 125 150
V
GS
= 10 V
I
D
= 7.5 A
T
J
- Junction Temperature (°C)
(Normalized)
- On-Resistance R
DS(on)
0.00
0.02
0.04
0.06
0.08
0.10
0246810
I
D
= 7.5 A
- On-Resistance (Ω)R
DS(on)
V
GS
- Gate-to-Source Voltage (V)
I
D
= 2 A