ao4458 Alpha & Omega Semiconductor, ao4458 Datasheet - Page 4

• Manufacturer Part Number: ao4458
• Description: General Description
• Manufacturer: Alpha & Omega Semiconductor

AO4458
Alpha & Omega Semiconductor, Ltd.
TYPICAL ELECTRICAL AND THERMAL CHARACTERISTICS
THIS PRODUCT HAS BEEN DESIGNED AND QUALIFIED FOR THE CONSUMER MARKET. APPLICATIONS OR USES AS CRITICAL
COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS ARE NOT AUTHORIZED. AOS DOES NOT ASSUME ANY LIABILITY ARISING
OUT OF SUCH APPLICATIONS OR USES OF ITS PRODUCTS. AOS RESERVES THE RIGHT TO IMPROVE PRODUCT DESIGN,
FUNCTIONS AND RELIABILITY WITHOUT NOTICE.
0.01
10
100
0.1
8
6
4
2
0
10
1
0.01
0
0.001
0.01
0.1
R
limited
10
0.00001
T
T
1
DS(ON)
Figure 9: Maximum Forward Biased Safe
10
J(Max)
A
=25°C
Figure 7: Gate-Charge Characteristics
=150°C
20
D=T
T
R
J,PK
0.1
θJA
Operating Area (Note E)
V
I
D
=59°C/W
DS
on
= 20A
=T
30
/T
0.0001
= 15V
A
+P
V
DM
40
Q
DS
.Z
g
Figure 11: Normalized Maximum Transient Thermal Impedance(Note E)
(nC)
(Volts)
θJA
1
Single Pulse
50
.R
θJA
I
F
0.001
=-6.5A, dI/dt=100A/µs
60
10
70
In descending order
D=0.5, 0.3, 0.1, 0.05, 0.02, 0.01, single pulse
80
0.01
10µs
100µs
1m
10ms
100ms
10s
DC
100
90
Pulse Width (s)
0.1
10000
8000
6000
4000
2000
1000
100
10
0
1E-04 0.001 0.01
1
0
Figure 10: Single Pulse Power Rating Junction-
C
rss
1
Figure 8: Capacitance Characteristics
5
P
C
D
oss
to-Ambient (Note E)
10
T
Pulse Width (s)
on
10
C
V
0.1
iss
DS
T
15
(Volts)
1
100
20
10
T
T
J(Max)
A
=25°C
www.aosmd.com
=150°C
25
100
1000
1000
30