ao3438 Alpha & Omega Semiconductor, ao3438 Datasheet

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ao3438

Manufacturer Part Number
ao3438
Description
N-channel Enhancement Mode Field Effect Transistor
Manufacturer
Alpha & Omega Semiconductor
Datasheet

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Part Number
Manufacturer
Quantity
Price
Part Number:
AO3438
Manufacturer:
Alpha
Quantity:
42 000
Part Number:
AO3438
Manufacturer:
AOS/ 万代
Quantity:
20 000
Part Number:
ao3438A
Manufacturer:
AOS/ 万代
Quantity:
20 000
Part Number:
ao3438L
Manufacturer:
Alpha
Quantity:
13 500
Alpha & Omega Semiconductor, Ltd.
Absolute Maximum Ratings T
Parameter
Drain-Source Voltage
Gate-Source Voltage
Continuous Drain
Current
Pulsed Drain Current
Power Dissipation
Junction and Storage Temperature Range
Thermal Characteristics
Parameter
Maximum Junction-to-Ambient
Maximum Junction-to-Ambient
Maximum Junction-to-Lead
General Description
The AO3438 uses advanced trench technology to
provide excellent R
operation with gate voltages as low as 1.8V. This
device is suitable for use as a load switch or in PWM
applications. AO3438 and AO3438L are eletrically
identical.
-RoHs Compliant
-AO3438L is Halogen Free
AO3438
N-Channel Enhancement Mode Field Effect Transistor
A
A
DS(ON)
G
S
B
T
T
T
T
(SOT-23)
Top View
A
A
A
A
TO-236
=25°C
=70°C
=25°C
=70°C
, low gate charge and
C
A
A
A
D
=25°C unless otherwise noted
Steady-State
Steady-State
t ≤ 10s
Symbol
V
V
I
I
P
T
D
DM
J
DS
GS
D
, T
STG
Symbol
Features
V
I
R
R
R
D
R
R
DS
DS(ON)
DS(ON)
DS(ON)
= 3A
θJA
θJL
= 20V
< 62mΩ
< 70mΩ
< 85mΩ
G
Maximum
-55 to 150
Typ
100
2.5
1.4
0.9
20
±8
16
70
63
3
D
S
(V
(V
(V
(V
GS
GS
GS
GS
Max
125
90
80
= 4.5V)
= 2.5V)
= 1.8V)
= 4.5V)
Units
Units
°C/W
°C/W
°C/W
°C
W
V
V
A

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ao3438 Summary of contents

Page 1

... AO3438 N-Channel Enhancement Mode Field Effect Transistor General Description The AO3438 uses advanced trench technology to provide excellent R , low gate charge and DS(ON) operation with gate voltages as low as 1.8V. This device is suitable for use as a load switch or in PWM applications. AO3438 and AO3438L are eletrically identical ...

Page 2

... AO3438 Electrical Characteristics (T =25°C unless otherwise noted) J Symbol Parameter STATIC PARAMETERS BV Drain-Source Breakdown Voltage DSS I Zero Gate Voltage Drain Current DSS I Gate-Body leakage current GSS V Gate Threshold Voltage GS(th state drain current D(ON) R Static Drain-Source On-Resistance DS(ON) g Forward Transconductance FS V Diode Forward Voltage ...

Page 3

... AO3438 TYPICAL ELECTRICAL AND THERMAL CHARACTERISTICS 16 4.5V 2. (Volts) DS Figure 1: On-Region Characteristics 120 100 V =1. (A) D Figure 3: On-Resistance vs. Drain Current and Gate Voltage 120 100 80 60 25° (Volts) GS Figure 5: On-Resistance vs. Gate-Source Voltage Alpha & Omega Semiconductor, Ltd. ...

Page 4

... AO3438 TYPICAL ELECTRICAL AND THERMAL CHARACTERISTICS 5 V =10V 0.5 1 1.5 Q (nC) g Figure 7: Gate-Charge Characteristics 100.00 T =150°C J(Max) T =25°C A 10.00 1.00 R DS(ON) limited 0.10 0.01 0 (Volts) DS Figure 9: Maximum Forward Biased Safe Operating Area (Note θJA θ ...

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