AO4840 Alpha & Omega Semiconductor Inc, AO4840 Datasheet - Page 3

• Manufacturer Part Number: AO4840
• Description: MOSFET DUAL N-CH 40V 6A 8-SOIC
• Manufacturer: Alpha & Omega Semiconductor Inc

Specifications of AO4840

• Fet Type: 2 N-Channel (Dual)
• Fet Feature: Logic Level Gate
• Rds On (max) @ Id, Vgs: 31 mOhm @ 6A, 10V
• Drain To Source Voltage (vdss): 40V
• Current - Continuous Drain (id) @ 25° C: 6A
• Vgs(th) (max) @ Id: 3V @ 250µA
• Gate Charge (qg) @ Vgs: 8.3nC @ 10V
• Input Capacitance (ciss) @ Vds: 404pF @ 20V
• Power - Max: 2W
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 785-1063-2

AO4840
Alpha & Omega Semiconductor, Ltd.
TYPICAL ELECTRICAL AND THERMAL CHARACTERISTICS
30
25
20
15
10
50
40
30
20
80
70
60
50
40
30
20
10
5
0
0
0
2
10V
Figure 5: On-Resistance vs. Gate-Source Voltage
Figure 3: On-Resistance vs. Drain Current and
Fig 1: On-Region Characteristics
1
5
4
5V
Gate Voltage
2
V
V
V
GS
DS
GS
I
=4.5V
D
(Volts)
10
(Volts)
(A)
6
V
3
V
GS
GS
=10V
4.5V
4V
=3.5V
I
125°C
D
=6A
15
8
25°C
4
20
10
5
1.0E+01
1.0E+00
20
15
10
1.8
1.6
1.4
1.2
0.8
1.0E-01
1.0E-02
1.0E-03
1.0E-04
1.0E-05
5
0
1
2
0
0.0
25
Figure 4: On-Resistance vs. Junction
Figure 2: Transfer Characteristics
2.5
Figure 6: Body-Diode Characteristics
V
DS
0.2
=5V
50
125°C
Temperature (°C)
125°C
Temperature
3
V
75
V
I
GS
D
GS
=6A
0.4
(Volts)
V
=10V
SD
100
(Volts)
3.5
0.6
25°C
125
25°C
V
I
4
D
GS
=5A
150
0.8
=4.5V
4.5
175
1.0