AO3438
AO3438 is N-Channel MOSFET manufactured by Alpha & Omega Semiconductors.
Description
The AO3438 uses advanced trench technology to provide excellent RDS(ON), low gate charge and operation with gate voltages as low as 1.8V. This device is suitable for use as a load switch or in PWM applications. A
Product Summary
VDS = 20V ID = 3A RDS(ON) < 62mΩ RDS(ON) < 70mΩ RDS(ON) < 85mΩ
(VGS = 4.5V) (VGS = 4.5V) (VGS = 2.5V) (VGS = 1.8V)
SOT23
Top View
Bottom View
Absolute Maximum Ratings TA=25°C unless otherwise noted
Parameter
Symbol
Drain-Source Voltage
Gate-Source Voltage
Continuous Drain TA=25°C
Current A
TA=70°C
Pulsed Drain Current B
ID IDM
TA=25°C Power Dissipation A TA=70°C
Junction and Storage Temperature Range TJ, TSTG
Maximum 20 ±8 3 2.5 16 1.4 0.9
-55 to 150
Thermal Characteristics
Parameter Maximum Junction-to-Ambient A Maximum Junction-to-Ambient A
Maximum Junction-to-Lead C t ≤ 10s Steady-State Steady-State
Symbol RθJA RθJL
Typ 70 100 63
Max 90 125 80
Units V V
W °C
Units °C/W °C/W °C/W
Alpha & Omega Semiconductor, Ltd.
Electrical Characteristics (TJ=25°C unless otherwise...
