AO4840 Alpha & Omega Semiconductor Inc, AO4840 Datasheet - Page 4

• 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
100.0
10.0
1.0
0.1
10
8
6
4
2
0
0.01
0.1
0.1
0
10
0.00001
1
Figure 9: Maximum Forward Biased Safe
R
limited
DS(ON)
T
T
V
I
J(Max)
A
Figure 7: Gate-Charge Characteristics
D
=25°C
DS
= 6A
D=T
T
R
=20V
2
J,PK
=150°C
Operating Area (Note E)
JA
=62.5°C/W
on
=T
0.0001
/T
A
1
+P
DM
4
V
DS
.Z
1s
Q
10s
DC
g
(Volts)
JA
(nC)
.R
10ms
Figure 11: Normalized Maximum Transient Thermal Impedance
JA
0.001
6
0.1s
10
Single Pulse
100 s
1ms
In descending order
D=0.5, 0.3, 0.1, 0.05, 0.02, 0.01, single pulse
8
0.01
10 s
100
10
Pulse Width (s)
0.1
40
30
20
10
800
600
400
200
0
0.001
0
Figure 10: Single Pulse Power Rating Junction-to-
0
C
0.01
1
Figure 8: Capacitance Characteristics
oss
P
D
10
C
0.1
T
Ambient (Note E)
rss
on
Pulse Width (s)
10
T
V
DS
1
(Volts)
20
C
iss
10
100
T
T
J(Max)
A
=25°C
30
=150°C
100
1000
1000
40