AO4812 Alpha & Omega Semiconductor, AO4812 Datasheet

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AO4812

Manufacturer Part Number
AO4812
Description
Dual N-channel Enhancement Mode Field Effect Transistor
Manufacturer
Alpha & Omega Semiconductor
Datasheet

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AO4812
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AO
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Part Number:
AO4812A
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AO4812A/
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Part Number:
AO4812L
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AOS/ 万代
Quantity:
20 000
Alpha & Omega Semiconductor, Ltd.
Absolute Maximum Ratings T
Parameter
Drain-Source Voltage
Gate-Source Voltage
Continuous Drain
Current
Pulsed Drain Current
Power Dissipation
Avalanche Current
Repetitive avalanche energy 0.3mH
Junction and Storage Temperature Range
Thermal Characteristics
Parameter
Maximum Junction-to-Ambient
Maximum Junction-to-Ambient
Maximum Junction-to-Lead
AO4812
Dual N-Channel Enhancement Mode Field Effect Transistor
General Description
The AO4812/L uses advanced trench technology to
provide excellent R
two MOSFETs make a compact and efficient switch
and synchronous rectifier combination for use in buck
converters.AO4812 and AO4812L are electrically
identical.
-RoHS Compliant
-AO4812L is Halogen Free
S2
G2
S1
G1
AF
SOIC-8
1
2
3
4
8
7
6
5
B
DS(ON)
D2
D2
D1
D1
B
T
T
T
T
A
A
A
A
=25°C
=70°C
=25°C
=70°C
and low gate charge. The
C
A
A
A
=25°C unless otherwise noted
B
Steady-State
Steady-State
t ≤ 10s
Symbol
V
V
I
I
P
I
E
T
D
DM
AR
J
DS
GS
D
AR
, T
STG
G1
Symbol
Features
V
I
R
R
R
R
D
D1
S1
DS
DS(ON)
DS(ON)
θJA
θJL
= 6.9A (V
(V) = 30V
< 28mΩ (V
< 42mΩ (V
Maximum
-55 to 150
G2
1.44
±20
Typ
GS
6.9
5.8
Rg,Ciss,Coss,Crss Tested
30
30
15
34
48
74
35
2
= 10V)
GS
GS
D2
S2
= 10V)
= 4.5V)
Max
62.5
110
40
UIS TESTED!
Units
Units
°C/W
°C/W
°C/W
mJ
°C
W
V
V
A
A
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AO4812 Summary of contents

Page 1

... AO4812 Dual N-Channel Enhancement Mode Field Effect Transistor General Description The AO4812/L uses advanced trench technology to provide excellent R and low gate charge. The DS(ON) two MOSFETs make a compact and efficient switch and synchronous rectifier combination for use in buck converters.AO4812 and AO4812L are electrically identical ...

Page 2

... AO4812 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

... AO4812 TYPICAL ELECTRICAL AND THERMAL CHARACTERISTICS 30 10V 4. (Volts) DS Fig 1: On-Region Characteristics =4. (Amps) D Figure 3: On-Resistance vs. Drain Current and Gate Voltage (Volts) GS Figure 5: On-Resistance vs. Gate-Source Voltage Alpha & ...

Page 4

... AO4812 TYPICAL ELECTRICAL AND THERMAL CHARACTERISTICS 10 V =15V DS I =6. (nC) g Figure 7: Gate-Charge characteristics 100 R DS(ON) limited 1ms 10 10ms 0.1s 1 0.1 0 (Volts) DS Figure 9: Maximum Forward Biased Safe Operating Area (Note θJA J, =62.5°C/W θJA 1 0.1 0.01 0.00001 ...

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