LESHAN RADIO COMPANY, LTD.
Monolithic Dual Switching Diodes
FEATURE
We declare that the material of product compliance with
RoHS requirements.
S- Prefix for Automotive and Other Applications Requiring
Unique Site and Control Change Requirements; AEC-Q101
Qualified and PPAP Capable.
LMBD2837LT1G
S-LMBD2837LT1G
LMBD2838LT1G
S-LMBD2838LT1G
3
ORDERING INFORMATION
Device
LMBD2837LT1G
LMBD2837LT3G
LMBD2838LT1G
LMBD2838LT3G
Rating
Peak Reverse Voltage
D.C Reverse Voltage
Peak Forward Current
Average Rectified Current
Marking
A5
A5
MA6
MA6
Shipping
3000/Tape&Reel
10000/Tape&Reel
3000/Tape&Reel
10000/Tape&Reel
Symbol
V
RM
V
R
I
FM
I
O
Value
75
30
50
450
300
150
100
Unit
Vdc
Vdc
mAdc
mAdc
3
CATHODE
2
ANODE
1
2
MAXIMUM RATINGS(EACH DIODE)
SOT– 23
LMBD2837LT1G
LMBD2838LT1G
ANODE
1
THERMAL CHARACTERISTICS
Characteristic
Total Device Dissipation FR– 5 Board
(1)
T
A
= 25°C
Derate above 25°C
Thermal Resistance, Junction to Ambient
Total Device Dissipation
Alumina Substrate,
(2)
T
A
= 25°C
Derate above 25°C
Thermal Resistance, Junction to Ambient
Junction and Storage Temperature
Symbol
P
D
Max
225
1.8
556
300
2.4
R
θ
JA
T
J
, T
stg
417
–55 to +150
Unit
mW
mW/°C
°C/W
mW
mW/°C
°C/W
°C
R
θ
JA
P
D
DEVICE MARKING
LMBD2837LT1G = A5; LMBD283 8T1G = MA6
L
ELECTRICAL CHARACTERISTICS
(T
A
= 25°C unless otherwise noted) ( EACH DIODE )
Characteristic
Symbol
Min
35
75
—
—
Max
—
—
µAdc
0.1
0.1
C
T
V
F
—
—
—
—
—
4.0
1.0
1.0
1.2
4.0
pF
Vdc
Unit
Vdc
OFF CHARACTERISTICS
Reverse Breakdown Voltage(I
(BR)
= 100
µ
Adc) LMBD2837LT1G V
(BR)
LMBD2838LT1G
Reverse Voltage Leakage Current
(V
R
= 30 Vdc)
(V
R
= 50 Vdc)
Diode Capacitance
(V
R
= 0 V, f = 1.0 MHz)
Forward Voltage(I
F
= 10 mAdc)
I
R
LMBD2837LT1G
LMBD2838LT1G
(I
F
= 50 mAdc)
(I
F
= 100 mAdc)
Reverse Recovery Time(I
F
=I
R
=10mAdc,I
R(REC)
=1.0mAdc)(Figure 1) t
rr
1. FR–5 = 1.0 x 0.75 x 0.062 in.
2. Alumina = 0.4 x 0.3 x 0.024 in. 99.5% alumina.
ns
Rev.O 1/3
LESHAN RADIO COMPANY, LTD.
LMBD2837LT1G,S-LMBD2837LT1G,LMBD2838LT1G,S-LMBD2838LT1G
+10 V
820
Ω
2.0 k
0.1µF
t
r
t
p
10%
t
I
F
t
rr
t
100
µH
I
F
0.1
µF
50
Ω
OUTPUT
PULSE
GENERATOR
DUT
50
Ω
INPUT
SAMPLING
OSCILLOSCOPE
90%
i
R(REC)
= 1.0 mA
INPUT SIGNAL
V
R
I
R
OUTPUT PULSE
(I
F
= I
R
= 10 mA; MEASURED
at i
R(REC)
= 1.0 mA)
Notes: 1. A 2.0 kΩ variable resistor adjusted for a Forward Current (I
F
) of 10mA.
Notes:
2. Input pulse is adjusted so I
R(peak)
is equal to 10mA.
Notes:
3. t
p
» t
rr
Figure 1. Recovery Time Equivalent Test Circuit
CURVES APPLICABLE TO EACH CATHODE
100
10
I
F
, FORWARD CURRENT (mA)
T
A
= 85°C
10
I
R
, REVERSE CURRENT (
µA)
T
A
=150°C
T
A
=125°C
1.0
T
A
= –40°C
T
A
=85°C
0.1
T
A
= 25°C
1.0
T
A
=55°C
0.01
0.1
0.2
0.4
0.6
0.8
1.0
1.2
0.001
0
10
T
A
=25°C
20
30
40
50
V
F
, FORWARD VOLTAGE (VOLTS)
V
R
, REVERSE VOLTAGE (VOLTS)
Figure 2. Forward Voltage
Figure 3. Leakage Current
1.0
C
D
, DIODE CAPACITANCE (pF)
0.9
0.8
0.7
0.6
0
2.0
4.0
6.0
8.0
V
R
, REVERSE VOLTAGE (VOLTS)
Figure 4. Capacitance
Rev.O 2/3
LESHAN RADIO COMPANY, LTD.
LMBD2837LT1G,S-LMBD2837LT1G,LMBD2838LT1G,S-LMBD2838LT1G
SOT-23
NOTES:
A
L
3
1
2
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
B S
DIM
A
B
C
D
G
H
J
K
L
S
V
V
G
C
D
H
K
J
INCHES
MIN
MAX
0.1102
0.1197
0.0472
0.0551
0.0350
0.0440
0.0150
0.0200
0.0701
0.0807
0.0005
0.0040
0.0034
0.0070
0.0140
0.0285
0.0350
0.0401
0.0830
0.1039
0.0177
0.0236
MILLIMETERS
MIN
MAX
2.80
3.04
1.20
1.40
0.89
1.11
0.37
0.50
1.78
2.04
0.013
0.100
0.085
0.177
0.35
0.69
0.89
1.02
2.10
2.64
0.45
0.60
PIN 1. ANODE
2. NO CONNECTION
3. CATHODE
0.037
0.95
0.037
0.95
0.079
2.0
0.035
0.9
0.031
0.8
inches
mm
Rev.O 3/3
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