AON7900 Alpha & Omega Semiconductor Inc, AON7900 Datasheet - Page 9

• Manufacturer Part Number: AON7900
• Description: MOSFET 2N-CH 30V 24A/40A DFN
• Manufacturer: Alpha & Omega Semiconductor Inc
• Series: -r

Specifications of AON7900

• Fet Type: 2 N-Channel (Dual)
• Fet Feature: Logic Level Gate
• Rds On (max) @ Id, Vgs: 21 mOhm @ 8A, 10V
• Drain To Source Voltage (vdss): 30V
• Current - Continuous Drain (id) @ 25° C: 24A, 40A
• Vgs(th) (max) @ Id: 2.3V @ 250µA
• Gate Charge (qg) @ Vgs: 11nC @ 10V
• Input Capacitance (ciss) @ Vds: 710pF @ 15V
• Power - Max: 17W, 50W
• Mounting Type: Surface Mount
• Package / Case: 8-WDFN Exposed Pad
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 785-1249-2

Rev 0: Sep 2010
Q2-CHANNEL: TYPICAL ELECTRICAL AND THERMAL CHARACTERISTICS
50
40
30
20
10
0.001
1000
0
0.01
100
0.000001
0.1
10
10
0
0.0001
1
Figure 12: Single Pulse Avalanche capability (Note
Figure 14: Current De-rating (Note F)
25
T
A
=25°C
D=T
T
R
T
0.00001
Time in avalanche, t
J,PK
θJA
A
50
=150°C
0.001
=72°C/W
on
=T
/T
T
A
+P
CASE
DM
Figure 16: Normalized Maximum Transient Thermal Impedance (Note G)
75
T
C)
A
(°C)
.Z
=100°C
θJA
Single Pulse
.R
0.0001
100
θJA
0.01
A
(s)
T
A
=125°C
125
In descending order
D=0.5, 0.3, 0.1, 0.05, 0.02, 0.01, single pulse
www.aosmd.com
0.001
150
0.1
Pulse Width (s)
60
50
40
30
20
10
10000
0
1000
100
0
10
0.00001
1
40
1
Figure 15: Single Pulse Power Rating Junction-to-
25
Figure 13: Power De-rating (Note F)
0.001
50
10
T
Ambient (Note G)
CASE
Pulse Width (s)
75
0.1
(°C)
100
100
T
A
=25°C
10
17
10
18
AON7900
125
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5
2
0
1000
1000
150