AO4805 Alpha & Omega Semiconductor Inc, AO4805 Datasheet - Page 3

• Manufacturer Part Number: AO4805
• Description: MOSFET DUAL P-CH -30V -8A 8-SOIC
• Manufacturer: Alpha & Omega Semiconductor Inc

Specifications of AO4805

• Fet Type: 2 P-Channel (Dual)
• Fet Feature: Logic Level Gate
• Rds On (max) @ Id, Vgs: 19 mOhm @ 8A, 10V
• Drain To Source Voltage (vdss): 30V
• Current - Continuous Drain (id) @ 25° C: 8A
• Vgs(th) (max) @ Id: 3V @ 250µA
• Gate Charge (qg) @ Vgs: 45nC @ 10V
• Input Capacitance (ciss) @ Vds: 2500pF @ 15V
• Power - Max: 2W
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 785-1055-2

Rev 7: December 2010
TYPICAL ELECTRICAL AND THERMAL CHARACTERISTICS
80
60
40
20
0
20
15
10
35
30
25
20
15
10
5
0
5
-10V
0
2
Figure 5: On-Resistance vs. Gate-Source Voltage
Fig 1: On-Region Characteristics (Note E)
Figure 3: On-Resistance vs. Drain Current and
1
3
25° C
4
-6V
Gate Voltage (Note E)
-V
2
6
DS
V
V
-V
GS
(Volts)
GS
(Note E)
-I
GS
D
=-10V
=-20V
6
(A)
(Volts)
3
9
-5V
125° C
8
V
12
I
GS
4
D
=-9A
=-3.5V
-4.5V
-4V
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15
10
5
80
60
40
20
0
1.6
1.4
1.2
0.8
1.0E+01
1.0E+00
1.0E-01
1.0E-02
1.0E-03
1.0E-04
1.0E-05
1
1
Figure 4: On-Resistance vs. Junction Temperature
0
40
V
Figure 2: Transfer Characteristics (Note E)
DS
0.0
Figure 6: Body-Diode Characteristics (Note E)
=-5V
25
2
125° C
V
I
D
0.2
GS
=-8A
50
=-10V
125° C
Temperature (° C)
V
3
0.4
GS
(Note E)
75
-V
(Volts)
SD
(Volts)
100
0.6
4
V
I
D
GS
=-9A
25° C
=-20V
125
0.8
25° C
17
10
18
5
150
5
2
0
1.0
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AO4805
175
1.2
6