Document
LESHAN RADIO COMPANY, LTD.
Monolithic Dual Switching Diodes
FEATURE
z We declare that the material of product compliance with RoHS requirements.
z S- Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC-Q101 Qualified and PPAP Capable.
ORDERING INFORMATION
LMBD2837LT1G S-LMBD2837LT1G
LMBD2838LT1G S-LMBD2838LT1G
Device LMBD2837LT1G
Marking A5
Shipping 3000/Tape&Reel
3
LMBD2837LT3G
A5 10000/Tape&Reel
LMBD2838 LT1G
MA6
3000/Tape&Reel
1
LMBD2838LT3G
MA6
10000/Tape&Reel
MAXIMUM RATINGS(EACH DIODE)
2
Rating Peak Reverse Voltage D.C Reverse Voltage
Peak Forward Current
LMBD2837LT1G LMBD2838LT1G
Symbol V RM VR
I FM
Average Rectified Current
IO
Value 75 30 50 450 300 150 100
Unit Vdc Vdc
mAdc
mAdc
SOT– 23
3 CATHODE
THERMAL CHARACTERISTICS
Characteristic
Symbol
Max
Unit
Total Device Dissipation FR– 5 Board (1) T A = 25°C Derate above 25°C
PD
225 mW 1.8 mW/°C
Thermal Resistance, Junction to Ambient Total Device Dissipation Alumina Substrate, (2) T A = 25°C Derate above 25°C
R θ JA PD
556 °C/W 300 mW
2.4 mW/°C
Thermal Resistance, Junction to Ambient Junction and Storage Temperature
R θ JA T J , T stg
417 –55 to +150
°C/W °C
DEVICE MARKING
LMBD2837LT1G = A5; LMBD283L8T1G = MA6
ELECTRICAL CHARACTERISTICS (T A = 25°C unless otherwise noted) ( EACH DIODE )
Characteristic
Symbol
Min
Max
OFF CHARACTERISTICS
Reverse Breakdown Voltage(I (BR) = 100µAdc) LMBD2837LT1G V (BR)
35
—
LMBD2838LT1G
75 —
Reverse Voltage Leakage Current
IR —
(V R = 30 Vdc)
LMBD2837LT1G
— 0.1
(V R = 50 Vdc)
LMBD2838LT1G
0.1
Diode Capacitance (V R = 0 V, f = 1.0 MHz)
CT
Forward Voltage(I F = 10 mAdc)
VF
(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.
—
— — — —
4.0
1.0 1.0 1.2 4.0
2. Alumina = 0.4 x 0.3 x 0.024 in. 99.5% alumina.
Unit Vdc µAdc
pF Vdc
ns
ANODE 1
2 ANODE
Rev.O 1/3
LESHAN RADIO COMPANY, LTD. LMBD2837LT1G,S-LMBD2837LT1G,LMBD2838LT1G,S-LMBD2838LT1G
I F , FORWARD CURRENT (mA) C D , DIODE CAPACITANCE (pF)
I R, REVERSE CURRENT ( µA)
+10 V 820 Ω 2.0 k
100 µH
I F
0.1µF
t r
tp
10%
t
IF
t rr t
0.1 µF
50 Ω OUTPUT PULSE GENERATOR
DUT
90%
50 Ω INPUT
SAMPLING
INPUT SIGNAL
OSCILLOSCOPE V R
IR
i R(REC) = 1.0 mA
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
TA = 85°C 10
T A= –40°C
T A = 25°C 1.0
0.1 0.2
0.4 0.6 0.8 1.0
V F , FORWARD VOLTAGE (VOLTS) Figure 2. Forward Voltage
1.2
10
1.0
0.1
0.01 0.001
0
T A =150°C T A =125°C
T A =85°C T A =55°C
T A =25°C 10 20 30
40
V R , REVERSE VOLTAGE (VOLTS) Figure 3. Leakage Current
50
1.0
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
A L
3 BS
12
VG
C
D
H K
0.037 0.95
SOT-23
NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH.
DIM
INCHES
MILLIMETERS
MIN MAX MIN MAX
A 0.1102 0.1197 2.80 3.04
B 0.0472 0.0551 1.20 1.40
C 0.0350 0.0440 0.89 1.11
D 0.0150 0.0200 0.37 0.50
G 0.0701 0.0807 1.78 2.04
H 0.0005 0.0040 0.013 0.100
J 0.0034 0.0070 0.085 0.177 J K 0.0140 0.0285 0.35 0.69
L 0.0350 0.0401 0.89 1.02
S 0.0830 0.1039 2.10 2.64
V 0.0177 0.0236 0.45 0.60
PIN 1. ANODE 2. NO CONNECTION 3. CATHODE
0.037 0.95
0.035 0.9
0.079 2.0
0.031 0.8
inches mm
Rev.O 3/3
.