AO4842 Alpha & Omega Semiconductor Inc, AO4842 Datasheet - Page 4

• Manufacturer Part Number: AO4842
• Description: MOSFET DUAL N-CH 30V 7.5A 8-SOIC
• Manufacturer: Alpha & Omega Semiconductor Inc

Specifications of AO4842

• Fet Type: 2 N-Channel (Dual)
• Fet Feature: Logic Level Gate
• Rds On (max) @ Id, Vgs: 22 mOhm @ 7.5A, 10V
• Drain To Source Voltage (vdss): 30V
• Current - Continuous Drain (id) @ 25° C: 7.5A
• Vgs(th) (max) @ Id: 3V @ 250µA
• Gate Charge (qg) @ Vgs: 17nC @ 10V
• Input Capacitance (ciss) @ Vds: 820pF @ 15V
• Power - Max: 2W
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 785-1064-2

AO4842
Alpha & Omega Semiconductor, Ltd.
TYPICAL ELECTRICAL AND THERMAL CHARACTERISTICS
100.0
10.0
10
1.0
0.1
8
6
4
2
0
0.01
0.1
0
0.1
10
0.00001
1
R
limited
Figure 9: Maximum Forward Biased Safe
DS(ON)
T
T
V
I
Figure 7: Gate-Charge Characteristics
J(Max)
A
D
=25°C
DS
=7.5A
2
=15V
D=T
T
R
J,PK
=150°C
θJA
Operating Area (Note E)
=62.5°C/W
on
=T
0.0001
/T
4
A
1
+P
DM
V
Q
DS
.Z
g
10ms
θJA
Single Pulse
(Volts)
1ms
0.1s
6
(nC)
100µs
.R
Figure 11: Normalized Maximum Transient Thermal Impedance
θJA
1s
V
V
I
I
0.001
F
F
10s
GS
GS
=7.4A, dI/dt=100A/µs
=7.4A, dI/dt=100A/µs
DC
=10V, V
=10V, V
10
8
In descending order
D=0.5, 0.3, 0.1, 0.05, 0.02, 0.01, single pulse
10µs
10
DS
DS
0.01
=15V, I
=15V, R
100
12
Pulse Width (s)
D
L
=7.4A
=2.0Ω, R
0.1
50
40
30
20
10
1000
0
0.001
800
600
400
200
0
Figure 10: Single Pulse Power Rating Junction-to-
GEN
0
=3Ω
C
0.01
1
rss
Figure 8: Capacitance Characteristics
C
oss
5
P
D
0.1
T
Ambient (Note E)
on
10
Pulse Width (s)
10
T
V
DS
1
(Volts)
15
C
iss
10
100
20
T
T
J(Max)
A
=25°C
=150°C
100
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25
1000
1000
30