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PDF ALS-PT243-3C-L177 Data sheet ( Hoja de datos )
| Número de pieza | ALS-PT243-3C-L177 | |
| Descripción | Ambient Light Sensor | |
| Fabricantes | Everlight | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de ALS-PT243-3C-L177 (archivo pdf) en la parte inferior de esta página. Total 11 Páginas | ||
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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
1 page  
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
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
30
EV = 100 Lux
25
20
15
10
5
0
012345678
Supply voltage (V)
Fig.5 Light Current vs. Temperature
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
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
5 Page 
5mm DIP
Ambient Light Sensor
ALS-PT243-3C/L177
Everlight Electronics Co., Ltd.
Document No: DAS-024-007 Rev1.1
11
http:\\www.everlight.com
Dec.31, 2007
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet ALS-PT243-3C-L177.PDF ] | |
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