AO4946 データシートの表示（PDF） - Alpha and Omega Semiconductor
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AO4946 Datasheet PDF : 5 Pages
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This AOS product reliability report summarizes the qualification result for AO4946. Accelerated
environmental tests are performed on a specific sample size, and then followed by electrical test
at end point. Review of final electrical test result confirms that AO4946 passes AOS quality and
reliability requirements. The released product will be categorized by the process family and be
monitored on a quarterly basis for continuously improving the product quality.
Table of Contents:
I.
Product Description
II.
Package and Die information
III. Environmental Stress Test Summary and Result
IV. Reliability Evaluation
V.
Quality Assurance Information
I. Product Description:
The AO4946 uses advanced trench technology with a monolithically integrated Schottky diode to
provide excellent RDS(ON) and low gate charge. This device is suitable for use as a low and high
side switch in SMPS and general purpose applications. Standard product AO4946 is Pb-free
(meets ROHS & Sony 259 specifications).
Absolute Maximum Ratings TA=25°C unless otherwise noted
Parameter
Symbol
Maximum
Drain-Source Voltage
VDS
30
Gate-Source Voltage
VGS
±12
Continuous Drain
TA=25°C
8.6
Current
TA=70°C IDSM
6.9
Pulsed Drain Current
IDM
40
Avalanche Current
IAR
16
Repetitive avalanche energy
L=0.3mH
EAR
38
Power Dissipation
Junction and Storage
Temperature Range
TA=25°C
TA=70°C
PDSM
TJ, TSTG
2.0
1.3
-55 to 150
Units
V
V
A
A
mJ
W
°C
Thermal Characteristics FET1 and FET 2
Parameter
Symbol
Maximum Junction-to-
Ambient
Maximum Junction-to-
T ≤ 10s
Steady-
RθJA
Ambient
State
Maximum Junction-to-Lead
Steady-
State
RθJL
Typ
Max
Units
48
62.5
°C/W
74
90
°C/W
32
40
°C/W
2
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