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ALS-PT243-3C-L177 Dataheets PDF



Part Number ALS-PT243-3C-L177
Manufacturers Everlight
Logo Everlight
Description Ambient Light Sensor
Datasheet ALS-PT243-3C-L177 DatasheetALS-PT243-3C-L177 Datasheet (PDF)

5mm DIP Ambient Light Sensor ALS-PT243-3C/L177 Features ‧Close responsively to the human eye spectrum ‧Light to Current, analog output ‧Good output linearity across wide illumination range ‧Low sensitivity variation across various light sources ‧Operation temperature performance, -40oC to 85oC ‧Wide supply voltage range, 2.5V to 5.5V ‧Size : 5mm Lamp (Flat lens) ‧RoHS compliant and Pb Free package Description The ALS-PT243-3C/L177 is consisting of phototransistor in DIP package. EVERLIGHT ALS .

  ALS-PT243-3C-L177   ALS-PT243-3C-L177


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5mm DIP Ambient Light Sensor ALS-PT243-3C/L177 Features ‧Close responsively to the human eye spectrum ‧Light to Current, analog output ‧Good output linearity across wide illumination range ‧Low sensitivity variation across various light sources ‧Operation temperature performance, -40oC to 85oC ‧Wide supply voltage range, 2.5V to 5.5V ‧Size : 5mm Lamp (Flat lens) ‧RoHS compliant and Pb Free package Description The ALS-PT243-3C/L177 is consisting of phototransistor in DIP package. EVERLIGHT ALS series product are a good effective solution to the power saving of display backlighting of mobile appliances, such as the mobile phones, NB and PDAs. Due to the high rejection ratio of infrared radiation, the spectral response of the ambient light sensor is close to human eyes. Applications ‧Detection of ambient light to control display backlighting Mobile devices – mobile phones, PDAs Computing device – TFT LCD monitor for Notebook computer Consumer device – TFT LCD TV, video camera, digital camera, toys ‧Automatic residential and commercial management ‧Automatic contrast enhancement for electronic signboard ‧Ambient light monitoring device for daylight and artificial light – Street light, CCD/CCTV Everlight Electronics Co., Ltd. Document No: DAS-024-007 Rev1.1 1 http:\\www.everlight.com Dec.31, 2007 5mm DIP Ambient Light Sensor Package Dimensions ALS-PT243-3C/L177 Emitter Collector Notes: 1.All dimensions are in millimeters 2.Tolerances unless dimensions ±0.1mm Everlight Electronics Co., Ltd. Document No: DAS-024-007 Rev1.1 2 http:\\www.everlight.com Dec.31, 2007 5mm DIP Ambient Light Sensor ALS-PT243-3C/L177 Absolute Maximum Ratings (Ta=25℃) Parameter Symbol Supply Voltage [Note1] Operating Temperature Range Vcc Topr Storage Temperature Range Tstg Soldering Temperature Range [Note1] Tsol Rating -0.5~6.0 -40 ~ +85 -40 ~ +100 260 ± 10 Unit V °C °C °C Note1: For detail reflow time and the recommended temperature profile, please refer to page 8. Recommended Operating Conditions (Ta=25℃) Parameter Operating Temperature Supply Voltage Symbol Topr Vcc Min. -40 2.5 Max. +85 5.5 Unit °C V Rankings Bin 1 2 3 Symbol IPH(ON) Min 5 12 17 Max 12 17 23 Unit Test Condition μA VCE=5V Ee=100Lux Everlight Electronics Co., Ltd. Document No: DAS-024-007 Rev1.1 3 http:\\www.everlight.com Dec.31, 2007 5mm DIP Ambient Light Sensor ALS-PT243-3C/L177 Electrical and Optical Characteristics (Ta=25℃) Parameter Dark Current Collector-Emitter Saturation Voltage Light Current Photocurrent Ratio Saturation Output Voltage Peak Sensitivity Wavelength Sensitivity Wavelength Range Rise time Fall time Angle of half Sensitivity Symbol MIN TYP MAX. ICEO VCE(sat) --- ----- --- 0.1 0.4 IPH1 7 10 IPH2 200 230 IPH3 950 110 0 IPH3 / IPH2 --- 4.8 --------- Unit uA V uA uA uA --- Vo 4.5 4.6 --- V λp --- 630 --- nm Test Condition VCE=10V, Ev= 0Lux IC=2mA, Ev= 1000Lux VCE=5V, Ev= 100Lux [Note1] VCE=5V, Ev= 1000Lux [Note1] VCE=5V, Ev= 1000Lux [Note2] VCE=5V, Ev= 1000Lux Vcc=5V, Ev= 1000Lux RL=75K [Note2] λ 390 --- 700 nm tr --- 0.11 --- ms VCC = 5 V RL = 7.5KΩ tf --- 0.22 --- ms 2θ1/2 --- 143 --- Deg. IF = 20 mA Note: 1. White Fluorescent light (Color Temperature = 6500K) is used as light source. However, White LED is substituted in mass production. 2. Illuminance by CIE standard illuminant-A / 2856K, incandescent lamp. Everlight Electronics Co., Ltd. Document No: DAS-024-007 Rev1.1 4 http:\\www.everlight.com Dec.31, 2007 5mm DIP Ambient Light Sensor ALS-PT243-3C/L177 Typical Electrical and Optical Characteristics Curves Fig.1 Light Current vs. Illuminance Fig.2 Output Voltage vs. Illuminance 10 Ta=25oC; Vcc=5V Flourescent Light incandescent Lamp 1 10 1 0.1 Ouput Voltage Vo (V) Output Current (mA) 0.1 0.01 1 10 100 1000 Illuminance Ev (Lux) 10000 0.01 1E-3 1E-4 1 Ta=25oC ; Vcc=5V Fluorescent light RL=1KΩ Fluorescent light RL=7.5KΩ Fluorescent light RL=75KΩ 10 100 1000 Illuminance Ev (Lux) 10000 Fig.3 Spectral Response Fig.4 Light current vs. Supply Voltage Light current (uA) 30 EV = 100 Lux 25 20 15 10 5 0 012345678 Supply voltage (V) Fig.5 Light Current vs. Temperature Relative light current 1.3 Ev = 100 Lux 1.2 1.1 1.0 0.9 0.8 0.7 0.6 -40 -20 0 20 40 ℃Temperature ( ) 60 80 100 Fig.6 Dark Current vs. Temperature Dark current (nA) 100000 10000 VCE = 7V EV = 0 Lux 1000 100 10 1 0.1 0.01 -60 -40 -20 0 20 40 60 80 100 ℃Temperature ( ) Everlight Electronics Co., Ltd. Document No: DAS-024-007 Rev1.1 5 http:\\www.everlight.com Dec.31, 2007 5mm DIP Ambient Light Sensor Converting Photocurrent to Voltage Vcc ALS-PT243-3C/L177 Light Source Iph Vout RL CL GND Note: 1. The output voltage (Vout) is the product of photocurrent (IPH) and loading resistor (RL) 2. A right loading resistor shall be chosen to meet the requirement of maximum ambient light, and output saturation voltage: ≦ = -Vout(max.) = Iout(max.) × RL Vout(saturation) Vcc 0.4V Everli.


PD153 ALS-PT243-3C-L177 MMA5206W


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