AO3422 Alpha & Omega Semiconductor Inc, AO3422 Datasheet - Page 3

• Manufacturer Part Number: AO3422
• Description: MOSFET N-CH 55V 2.1A SOT23
• Manufacturer: Alpha & Omega Semiconductor Inc

Specifications of AO3422

• Fet Type: MOSFET N-Channel, Metal Oxide
• Fet Feature: Logic Level Gate
• Rds On (max) @ Id, Vgs: 160 mOhm @ 2.1A, 4.5V
• Drain To Source Voltage (vdss): 55V
• Current - Continuous Drain (id) @ 25° C: 2.1A
• Vgs(th) (max) @ Id: 2V @ 250µA
• Gate Charge (qg) @ Vgs: 3.3nC @ 4.5V
• Input Capacitance (ciss) @ Vds: 300pF @ 25V
• Power - Max: 1.25W
• Mounting Type: Surface Mount
• Package / Case: SOT-23-3, TO-236-3, Micro3™, SSD3, SST3
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 785-1015-2

AO3422
Alpha & Omega Semiconductor, Ltd.
TYPICAL ELECTRICAL AND THERMAL CHARACTERISTICS
200
180
160
140
120
100
10
360
310
260
210
160
110
8
6
4
2
0
60
10
0
0
0
Figure 5: On-Resistance vs. Gate-Source Voltage
10V
Figure 3: On-Resistance vs. Drain Current and
Fig 1: On-Region characteristics
1
1
2
V
GS
=2.5V
5V
2
V
2
Gate Voltage
4
DS
125°C
V
(Volts)
GS
25°C
I
D
(Volts)
3.5V
(A)
3
3
6
2.5V
V
V
I
D
GS
GS
=2.3A
=2V
=4.5V
4
8
4
10
5
5
1E+01
1E+00
1E-01
1E-02
1E-03
1E-04
1E-05
8
6
4
2
0
1.8
1.6
1.4
1.2
0.8
2
1
1
Figure 4: On-Resistance vs. Junction Temperature
0
0.0
1.25
Figure 2: Transfer Characteristics
25
Figure 6: Body-Diode Characteristics
0.2
125°C
50
1.5
0.4
Temperature (°C)
V
DS
V
GS
=5V
V
75
V
(Volts)
GS
1.75
0.6
125°C
SD
=4.5
(Volts)
25°C
100
0.8
2
125
V
1.0
GS
=2.5V
2.25
25°C
150
1.2
2.5
175
1.4