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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 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 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 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 Supply Voltage [Note1] Symbol Vcc Topr Tstg Tsol Rating -0.5~6.0 -40 ~ +85 -40 ~ +100 260 10 Unit V C C C Operating Temperature Range Storage Temperature Range Soldering Temperature Range [Note1] 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 IPH(ON) Symbol Min 5 12 17 Max 12 17 23 A VCE=5V Ee=100Lux Unit Test Condition 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 Symbol ICEO VCE(sat) IPH1 Light Current IPH2 IPH3 Photocurrent Ratio Saturation Output Voltage Peak Sensitivity Wavelength Sensitivity Wavelength Range Rise time Fall time Angle of half Sensitivity 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. MIN ----7 200 950 --4.5 --390 ------- TYP ----10 230 110 0 4.8 4.6 630 --0.11 0.22 143 MAX. 0.1 0.4 ------------700 ------- Unit uA V uA uA uA --V nm nm ms Test Condition VCE=10V, Ev= 0Lux IC=2mA, Ev= 1000Lux VCE=5V, Ev= 100Lux [Note1] [Note1] VCE=5V, Ev= 1000Lux VCE=5V, Ev= 1000Lux VCE=5V, Ev= 1000Lux [Note2] IPH3 / IPH2 Vo p tr tf 21/2 Vcc=5V, Ev= 1000Lux RL=75K [Note2] VCC = 5 V RL = 7.5K ms Deg. IF = 20 mA 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 10 Light Current vs. Illuminance Fig.2 10 Output Voltage vs. Illuminance Ta=25 C; Vcc=5V Flourescent Light incandescent Lamp o 1 Output Current (mA) Ouput Voltage Vo (V) 1 0.1 0.1 0.01 1E-3 0.01 Ta=25 C ; Vcc=5V Fluorescent light RL=1K Fluorescent light RL=7.5K Fluorescent light RL=75K 1 10 100 1000 10000 o 1E-4 1 10 100 1000 10000 Illuminance Ev (Lux) Illuminance Ev (Lux) Fig.3 Spectral Response Fig.4 30 Light current vs. Supply Voltage EV = 100 Lux 25 Light current (uA) 20 15 10 5 0 0 1 2 3 4 5 6 7 8 Supply voltage (V) Fig.5 1.3 Light Current vs. Temperature Fig.6 100000 Dark Current vs. Temperature Ev = 100 Lux 1.2 10000 1000 VCE = 7V EV = 0 Lux Relative light current 1.1 1.0 0.9 0.8 0.7 0.6 -40 -20 0 20 40 60 80 100 Dark current (nA) 100 10 1 0.1 0.01 -60 -40 -20 0 20 40 60 80 100 Everlight Electronics Co., Ltd. Document No: DAS-024-007 Rev1.1 5 http:\\www.everlight.com Dec.31, 2007 Temperature ( ) Temperature ( ) 5mm DIP Ambient Light Sensor Converting Photocurrent to Voltage ALS-PT243-3C/L177 Vcc 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: Everlight Electronics Co., Ltd. Document No: DAS-024-007 Rev1.1 Vout(max.) = Iout(max.) x RL Vout(saturation)Vcc0.4V 6 http:\\www.everlight.com Dec.31, 2007 5mm DIP Ambient Light Sensor Recommended method of storage Reflow Terms: JEDEC Level 4 Specification ALS-PT243-3C/L177 Dry box storage is recommended as soon as the aluminum bag has been opened prevent 1. Over-current-proof Customer must apply resistors for protection, otherwise slight voltage shift might cause big current happen. (Burned-out might happen). 2. Storage (1) Do not open moisture proof bag before components are ready to use. (2) Before opening moisture proof bag, components should be kept at 30 or less and 90%RH or less. (3) Components should be used within a year. (4) After opened moisture proof bag, components should be kept at 30 or less and 70%RH or less. (5) Components should be used within 168 hours after opened moisture proof bag. (6) If the moisture absorbent material (silica gel) has faded away or the components have exceeded the storage time, baking treatment should be performed using the following conditions. (Baking treatment: 605 for 24 hours) ESD Precaution: Proper storage and handing procedures should be followed to prevent ESD damage to the devices especially when they are removed from the Anti-static bag. Electro-Static Sensitive Devices warning labels are on the packing. Everlight Electronics Co., Ltd. Document No: DAS-024-007 Rev1.1 7 http:\\www.everlight.com Dec.31, 2007 5mm DIP Ambient Light Sensor Recommended Solder Profile ALS-PT243-3C/L177 Notice: (1) Reflow soldering should not be done more than two times. (2) When soldering, do not put stress on the devices during heating. (3) After soldering, do not warp the circuit board. Soldering Iron Each terminal is to go to the tip of soldering iron temperature less than 350 for 3 seconds within once in less than the soldering iron capacity 25W. Leave two seconds and more intervals, and do soldering of each terminal. Be careful because the damage of the product is often started at the time of the hand solder. Repairing Repair should not be done after the device have been soldered. When repairing is unavoidable, a double-head soldering iron should be used (as below figure). It should be confirmed beforehand whether the characteristics of the device will or will not be damaged by repairing. Everlight Electronics Co., Ltd. Document No: DAS-024-007 Rev1.1 8 http:\\www.everlight.com Dec.31, 2007 5mm DIP Ambient Light Sensor Packing Quantity Specification 1.500PCS/1Bag5Bags/1Box 2.10Boxes/1Carton ALS-PT243-3C/L177 Label Format xxxxxx xxxxxx RoHS xxxxxxxxxxxx xxxx xxxxxxxx Everlight Electronics Co., Ltd. Document No: DAS-024-007 Rev1.1 9 http:\\www.everlight.com Dec.31, 2007 5mm DIP Ambient Light Sensor Notes ALS-PT243-3C/L177 1. Above specification may be changed without notice. EVERLIGHT will reserve authority on material change for above specification. 2. When using this product, please observe the absolute maximum ratings and the instructions for using outlined in these specification sheets. EVERLIGHT assumes no responsibility for any damage resulting from use of the product which does not comply with the absolute maximum ratings and instructions included in these specification sheets. 3. These specification sheets include materials protected under copyright of EVERLIGHT corporation. Please don't reproduce or cause anyone to reproduce them without EVERLIGHT's consent. Everlight Electronics Co., Ltd. Document No: DAS-024-007 Rev1.1 10 http:\\www.everlight.com Dec.31, 2007 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 |
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