SI4431 Fairchild Semiconductor, SI4431 Datasheet - Page 3

• Manufacturer Part Number: SI4431
• Description: P-Channel Logic Level PowerTrench MOSFET
• Manufacturer: Fairchild Semiconductor

Typical Characteristics
40
32
24
16
30
25
20
15
10
8
0
5
0
Figure 3. On-Resistance Variation with
1.6
1.4
1.2
0.8
0.6
0
1
Figure 1. On-Region Characteristics.
1
V
-50
V
Figure 5. Transfer Characteristics.
GS
DS
= -10.0V
= -5V
V
I
GS
D
-25
= -7A
= -10V
1
-V
-V
-6.0V
DS
2
GS
T
, DRAIN TO SOURCE VOLTAGE (V)
, GATE TO SOURCE VOLTAGE (V)
0
J
, JUNCTION TEMPERATURE (
Temperature.
-5.0V
25
2
-4.5V
3
50
T
A
-4.0V
= -55
3
75
o
C
-3.5V
100
o
4
-3.0V
C)
4
125
25
o
125
C
o
C
150
5
5
Figure 6. Body Diode Forward Voltage Variation
0.15
0.12
0.09
0.06
0.03
0.001
0.01
1.8
1.6
1.4
1.2
0.8
100
0.1
Figure 2. On-Resistance Variation with
Figure 4. On-Resistance Variation with
0
10
with Source Current and Temperature.
2
1
1
2
0
0
Drain Current and Gate Voltage.
V
V
GS
GS
= 0V
= -3.5V
0.2
Gate-to-Source Voltage.
-V
-4.0V
SD
-V
, BODY DIODE FORWARD VOLTAGE (V)
10
GS
-4.5V
4
, GATE TO SOURCE VOLTAGE (V)
0.4
-I
T
-5.0V
D
, DIRAIN CURRENT (A)
A
= 125
T
-6.0V
A
0.6
= 125
o
C
25
20
6
o
-7.0V
o
C
-55
C
T
0.8
A
o
C
-8.0V
= 25
o
C
-9.0V
1
30
8
-10.0V
I
D
1.2
= -3.6A
Si4431DY Rev A
40
1.4
10