AO4456 Alpha & Omega Semiconductor Inc, AO4456 Datasheet - Page 7

• Manufacturer Part Number: AO4456
• Description: MOSFET N-CH 30V 20A 8-SOIC
• Manufacturer: Alpha & Omega Semiconductor Inc
• Series: SRFET™r

Specifications of AO4456

• Fet Type: MOSFET N-Channel, Schottky, Metal Oxide
• Fet Feature: Logic Level Gate
• Rds On (max) @ Id, Vgs: 4.6 mOhm @ 20A, 10V
• Drain To Source Voltage (vdss): 30V
• Current - Continuous Drain (id) @ 25° C: 20A
• Vgs(th) (max) @ Id: 2.4V @ 250µA
• Gate Charge (qg) @ Vgs: 115nC @ 10V
• Input Capacitance (ciss) @ Vds: 7716pF @ 15V
• Power - Max: 3.1W
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 785-1035-2

Rev9: March 2011
Vgs
Vds +
Vds -
Ig
Vgs
Vgs
Rg
Isd
VDC
Rg
Vgs
+
-
Vds
Id
Vgs
Ig
DUT
Vds
Vgs
L
L
DUT
Unclamped Inductive Switching (UIS) Test Circuit & Waveforms
Diode Recovery Test Circuit & Waveforms
DUT
RL
Gate Charge Test Circuit & Waveform
DUT
Vgs
Resistive Switching Test Circuit & Waveforms
VDC
+
-
VDC
VDC
Vdd
+
+
-
-
Vds
www.aosmd.com
VDC
Vdd
+
-
Vdd
Vgs
Vds
Isd
Vds
Id
Vgs
Vgs
Vds
E = 1/2 LI
Vgs
10V
AR
t
d(on)
t
on
t
I
r
Qgs
F
Q = - Idt
rr
AR
2
dI/dt
Qgd
Qg
I
RM
t
d(off)
t
rr
t
off
t
f
Charge
10%
90%
Vdd
I
BV
AR
DSS
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AO4456