CMAD4448
SURFACE MOUNT
ULTRA HIGH SPEED SILICON
SWITCHING DIODE
w w w. c e n t r a l s e m i . c o m
DESCRIPTION:
The CENTRAL SEMICONDUCTOR CMAD4448
is an ultra high speed switching diode ideal for
applications where very small size and operational
efficiency are prime requirements.
MARKING CODE: M
SOD-923 CASE
APPLICATIONS:
•
DC / DC Converters
•
Voltage Clamping
•
Protection Circuits
•
Battery powered applications including
Cell Phones, Digital Cameras, Pagers,
PDAs, Laptop Computers, etc.
MAXIMUM RATINGS:
(TA=25°C)
Peak Repetitive Reverse Voltage
Continuous Forward Current
Peak Repetitive Forward Current
Peak Forward Surge Current, tp=1 .0μs
Peak Forward Surge Current, tp=1.0s
Power Dissipation
Operating and Storage Junction Temperature
Thermal Resistance
FEATURES:
•
Current (IO=250mA)
•
Forward Voltage Drop (VF=0.91V TYP @ 100mA)
•
Extremely Fast Switching Speed (4ns Max)
•
Miniture, 0.8 x 0.6 x 0.4mm, ultra low height profile
FEMTOmini
TM
Surface Mount Package.
SYMBOL
VRRM
IF
IFRM
IFSM
IFSM
PD
TJ, Tstg
Θ
JA
UNITS
V
mA
mA
A
A
mW
°C
°C/W
120
250
500
4.0
1.0
100
-65 to +150
1250
ELECTRICAL CHARACTERISTICS:
(TA=25°C unless otherwise noted)
SYMBOL
TEST CONDITIONS
MIN
IR
IR
IR
BVR
VF
VF
VF
CT
trr
VR=50V
VR=50V, TA=125°C
VR=100V
IR=100μA
IF=1.0mA
IF=10mA
IF=100mA
VR=0, f=1.0MHz
IR=IF=10mA, RL=100Ω, Rec. to 1.0mA
120
0.55
0.67
0.85
TYP
MAX
300
100
500
UNITS
nA
μA
nA
V
V
V
V
pF
ns
150
0.59
0.72
0.91
2.0
0.65
0.77
1.0
2.0
4.0
R1 (8-January 2010)
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