AO4404B Alpha & Omega Semiconductor Inc, AO4404B Datasheet - Page 6

• Manufacturer Part Number: AO4404B
• Description: MOSFET N-CH 30V 8.5A 8-SOIC
• Manufacturer: Alpha & Omega Semiconductor Inc

Specifications of AO4404B

• Fet Type: MOSFET N-Channel, Metal Oxide
• Fet Feature: Logic Level Gate
• Rds On (max) @ Id, Vgs: 24 mOhm @ 8.5A, 10V
• Drain To Source Voltage (vdss): 30V
• Current - Continuous Drain (id) @ 25° C: 8.5A
• Vgs(th) (max) @ Id: 1.5V @ 250µA
• Gate Charge (qg) @ Vgs: 12nC @ 4.5V
• Input Capacitance (ciss) @ Vds: 1100pF @ 15V
• Power - Max: 2.8W
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 785-1020-2

Rev 2: July 2010
Vgs
Vds +
Vds -
Ig
Vgs
Vgs
Vgs
Rg
Isd
VDC
VDC
Rg
Rg
Vgs
+
+
-
-
Vds
Vds
Id
Id
Vgs
Vgs
Ig
Ig
DUT
Vds
Vds
Vgs
Vgs
L
L
L
DUT
Unclamped Inductive Switching (UIS) Test Circuit & Waveforms
Unclamped Inductive Switching (UIS) Test Circuit & Waveforms
Diode Recovery Test Circuit & Waveforms
DUT
DUT
RL
RL
Gate Charge Test Circuit & Waveform
Gate Charge Test Circuit & Waveform
DUT
DUT
Vgs
Vgs
Resistive Switching Test Circuit & Waveforms
Resistive Switching Test Circuit & Waveforms
VDC
+
-
VDC
VDC
VDC
VDC
Vdd
+
+
+
+
-
-
-
-
Vds
Vds
www.aosmd.com
VDC
Vdd
Vdd
+
+
-
Vdd
Vgs
Vgs
Vds
Vds
Isd
Vds
Id
Vgs
Vgs
Vds
Vds
E = 1/2 LI
E = 1/2 LI
Vgs
Vgs
10V
10V
AR
AR
t
t
d(on)
d(on)
t
t
on
on
t
t
I
r
r
Qgs
Qgs
F
Q = - Idt
rr
AR
AR
2
2
dI/dt
Qgd
Qgd
Qg
Qg
I
RM
t
t
d(off)
d(off)
t
rr
t
t
off
off
t
t
f
f
Charge
Charge
10%
10%
90%
90%
Vdd
I
BV
BV
AR
DSS
DSS
AO4404B
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