LBR-123S LETEX | Alldatasheet

Document overview

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Technical content

Features

˙Fast response time ˙High sensitivity ˙Cutting wavelength λ=840nm ˙Thin ˙Compact

Applications

˙Camera ˙VCR ˙Floppy disk driver ˙Cassette type recorder ˙Various microcomputer control equipment Outline dimensions 2 3 41 4

Letex Technology Corp. 2 Reflective Object Sensor Model No: LBR-123S Absolute Maximum Ratings (Ambient Temperature: 25 ℃) Item Symbol Rating Units Note Input Forward current I F 50 mA Reverse voltage V R 5 V Peak forward current I FP 1 A Pulse width ≦100 μs, Duty cycle=1% Power dissipation Pd 75 mW Output Collector current Ic 50 mA Collector-Emitter voltage BVceo 30 V Emitter-Collector voltage BVeco 5 V Collector power dissipation Pc 75 mW Storage Temperature Tstg -40 to +85 ℃ Operating Temperature Top -25 to +85 ℃ Soldering Temperature Tsol 260 ℃ 10 seconds max. Electrical Specifications (Ambient Temperature: 25 Item Symbol MIN. TYP. MAX. Units Conditions Input Forward voltage V F 1.2 1.6 V IF=20mA Reverse current I R 10 µA VR=5V Peak wavelength λp 940 nm IF=20mA View angle 2θ1/2 110 Deg. IF=20mA Output Dark current Iceo 1 µA Vce=10V C-E saturation voltage Vce(sat) 0.4 V Ic=2mA, IB=0.1mA Light current Ic(on) 0.15 mA Vce=5V IF=20mA Leakage current I Leak 1 µA Speed Rise Time tr 20 µs Vce=2V IC=10mA RL=100 ,  d=1mm Fall Time tf 20

Letex Technology Corp. 3 Reflective Object Sensor Reference Data Relative collector current Vs. Card moving distance(2) Relative collector current Vs. Card moving distance(1) Card moving distance (mm) -4 -5 -2 -3 -1 4 2 1 3 5

60 Relative collector current (%) 20

d=1mm I F = 4mA Vce = 2V Ta=25° Card moving distance (mm) -5 -4 -3 -2 -1 0 1 2 3 4 5 Relative collector current (%) 100 d=1mm IF = 4mA Vce = 2V Ta=25° Collector current (uA) Ambient temperature ( )℃ -25 0 25 100 75 Collector current Vs. Ambient temperature IF = 4mA Vce = 2V Response time ( μs) Load resistance (k Ω ) 0.5 0.2 0.1 0.1 0.2 ts 5 0.5 1 2 10 Response time Vs. Load resistance Vce = 2V Ic = 100uA Ta = 25℃ 200 100 td tr tf 500 RDInput Output RL Vcc Input Output 90% 10% 100 Collector dark current Vs. Ambient temperature Test circuit for resopnse time 10 -9 Collector dark current (A) Ambient temperature ( )℃ -25 -11 10 -10 10 50 25 75 10 -6 10 -5 Vce = 20V Ambient temperature ( )℃Ambient temperature ( )℃ 25℃ Forward current (mA) 1.5 Forward voltage (V) 0.5 1.0 2.5 2.0 3.0 Ta = 75℃ 50℃ Forward current Vs. Forward voltage 500 200 100 25℃ Collector current (uA) Forward current (mA) 5 0 400 300 200 100 15 20 25 30 Collector current Vs. Forward current 700 600 500 Vce = 2V Ta = 25℃ Forward current (mA) -30 0 25 100 75 125 Forward current Vs. Ambient temperature Power dissipation (mW) 0 -25 100 50 75 100 125 Power dissipation Vs. Ambient temperature Duty ratio Collector current (mA) Collector-Emitter voltage (V) 100 150 200 IF=2mA 6 10 8 12 7mA 4mA 10mA Ta = 25℃ Collector current Vs. Collector-Emitter voltage 350 300 250 15mA Peak forward current Vs. Duty ratio Peak forward current ( mA ) 5 10 100 1000 200 500 2000 2 5 -2 10 2 2 -1 10 5 5 Pulse width 100us Ta = 25