KEC SMFB23L

SEMICONDUCTOR
SMFB23L
TECHNICAL DATA
SCHOTTKY BARRIER TYPE DIODE
SWITCHING TYPE POWER SUPPLY APPLICATIONS.
E
2
FEATURES
Low Profile Surface Mount Package.
Low Power Loss, High Efficiency.
E
Low Forward Voltage : VFM=0.36V(Max.)
F
1
APPLICATION
C
D
Switching Power Supply.
DIM
A
B
C
D
E
F
G
H
Reversed Battery Connection Protection.
DC/DC Converter.
H
Cellular Phones.
G
1. ANODE
2. CATHODE
MAXIMUM RATING (Ta=25
MILLIMETERS
_ 0.05
2.6 +
_ 0.1
3.5+
_ 0.05
0.9 +
_ 0.05
1.6 +
_ 0.05
0.65+
_ 0.05
0.11+
0 ~ 0.1
_ 0.05
0.98+
)
CHARACTERISTIC
SYMBOL
RATING
UNIT
Maximum Repetitive Peak Reverse Voltage
VRRM
30
V
IO
1.5
A
IFSM
33
A
Tj
-40 125
Tstg
-40 125
Average Output Rectitifed Current
Peak One Cycle Surge Forward Current
(Non-Repetitive 60Hz)
Junction Temperature
Storage Temperature Range
SMF
Marking
Lot No.
23L
Type Name
ELECTRICAL CHARACTERISTICS (Ta=25
CHARACTERISTIC
)
SYMBOL
TEST CONDITION
MIN.
TYP.
MAX.
UNIT
Peak Forward Voltage
VFM
IFM=1.5A
-
-
0.36
V
Repetitive Peak Reverse Current
IRRM
VRRM=Rated
-
-
1.0
mA
Rth(j-1)
Junction to lead
-
-
20
-
-
140
Thermal Resistance
2008. 9. 11
Rth(j-a)
Revision No : 5
Junction to ambient
(on a grass-epoxy board)
/W
1/2
I F - VF
5
3
T j =125 C
25 C
1
0.5
0.3
0.1
0.05
0.03
0.01
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
P F(AV) - I F(AV)
0.7
DC
0.6
0.5
180
120
0.4
α=60
0.3
0.2
0
0.4
0
Ta=25 C
f=60Hz
30
20
10
0
Revision No : 5
100
MAXIMUM ALLOWABLE TEMPERATURE
Ta MAX ( C)
PEAK SURGE FORWARD CURRENT
I FSM (A)
2008 9. 11
0.8
Ta
40
NUMBER OF CYCLES
360
CONDUCTION
ANGLE α
1.2
1.6
2.0
2.4
AVERAGE FORWARD CURRENT I F(AV) (A)
SURGE FORWARD CURRENT
(NON - REPETITIVE)
10
α
0
0.1
FORWARD VOLTAGE V F (V)
1
RECTANGULAR
WAVEFORM
-
I F(AV)
140
ON A GRASS-EPOXY
BOARD
120
100
α=60
80
40
20
DC
RECTANGULAR
WAVEFORM
60
I F(AV)
FORWARD CURRENT I F (A)
10
AVERAGE FORWARD POWER DISSIPATION
P F(AV) (W)
SMFB23L
0
α
120
180
360
CONDUCTION
ANGLE α VR=15V
0
0
0.4
0.8
1.2
1.6
2.0
2.4
AVERAGE FORWARD CURRENT I F(AV) (A)
2/2