TPS818 TOSHIBA Photo IC Silicon Epitaxial Planar TPS818 Luminosity Adjustment for TV Screens, CRT Monitors and Liquid-crystal Display Monitors Notebook PCs and Portable Information Devices Cellular and PHS Phones Other Equipment Requiring Luminosity Adjustment Unit: mm The TPS818 is a linear-output (current output type) photo-IC which incorporates a photodiode and a current amp circuit in a single chip. A luminous efficiency correction filter mounted on the detector ensures accurate luminosity output levels. The device’s excellent output linearity enables automatic adjustment of the luminosity of a TV screen or PC monitor in accordance with the ambient brightness of the operating environment. · High sensitivity · Little fluctuation in light current : Light current IL = 240 µA (typ.) @EV = 100 lx TOSHIBA : 1.67 times width (±25° typ.) · Low current consumption · Excellent illumination output linearity ― Weight: 0.22 g (typ.) : ICC = 1 µA (max) @VCC = 5.5 V · Luminous efficiency correction filter mounted on detector: λp = 560 mm (typ.) · Open-emitter output · Side-view package · Environmentally friendly silicon used as chip material instead of CdS Suitable as a substitute for CdS-based products Pin Connection 4.VCC Current amp 3.OUT 2.GND 1.NC 1 2002-01-29 TPS818 Maximum Ratings (Ta = 25°C) Characteristics Symbol Rating Unit VCC -0.5~7 V VOUT < = VCC V IL 10 mA Supply voltage Output voltage Light current Permissible power dissipation P 150 mW Operating temperature range Topr -25~85 °C Storage temperature range Tstg -40~100 °C Soldering temperature range (5s) (Note 1) Tsol 260 °C Note 1: Solder under the lead stopper. Electrical and Optical Characteristics (Ta = 25°C, VCC = 5 V) Characteristics Symbol Test Condition Min Typ. Max Unit Supply voltage VCC ¾ 4.5 5 5.5 V Supply current ICC ¾ 0.01 1 mA VCC = 5.5 V, EV = 0 Light current (1) IL (1) EV = 10 lx (Note 2) 18 24 30 mA Light current (2) IL (2) EV = 100 lx (Note 2) 180 240 300 mA Dark current ILEAK VCC =5.5 V, EV = 0 ¾ ¾ 0.5 mA ¾ 560 ¾ nm ¾ 0.3 ¾ ¾ 0.8 ¾ lP Peak sensitivity wavelength tr Switching time tf ¾ RL = 10 kW, l = 570 nm ms Note 2: A CIE Standard A light source is used (color temperature = 2870°K). Rise Time/Fall Time Measurement Method VCC Pulse drive l = 570 nm LED 2.5 V OUT TPS818 90% VOUT RL 10% GND tr tf Handling Precautions · When forming the leads, bend each lead under the lead stopper. Soldering must be performed after the leads have been formed. · Soldering must be performed under the stopper. · To stabilize the power line, insert a bypass capacitor of up to 0.01 mF between VCC and GND, close to the device. 2 2002-01-29 TPS818 ILEAK – Ta P – Ta (mA) 150 Dark current ILEAK P (mW) Power dissipation (typ.) 10 200 100 50 1 0.1 0.01 VCC = 4.5 V 5V 5.5 V 0 -20 0 20 40 60 80 Ambient temperature Ta 100 0.001 20 120 40 (°C) IL – EV 60 80 100 Ambient temperature Ta (°C) IL – Ta (typ.) (typ.) 1.4 1.2 Relative light current Light current IL (mA) 10000 1000 100 1.0 0.8 10 EV = 100 lx VCC = 5 V Ta = 25°C 1 0.1 1 10 1000 100 Radiant incidence EV 0.6 -40 10000 (lx) IL – VCC -20 0 20 40 60 80 100 Ambient temperature Ta (°C) Spectral response (typ.) 1.2 100 (%) 0.8 Relative sensitivity Relative light current 80 0.4 60 40 20 Ta = 25°C 0 3 4 5 Supply voltage VCC 0 200 6 Ta = 25°C 400 600 800 Wavelength l (V) 3 1000 1200 (nm) 2002-01-29 TPS818 Switching characteristics Radiation pattern (typ.) (typ.) 10000 Ta = 25°C Ta = 25°C VCC = 5 V Luminosity angle VOUT = 2.5 V lp = 570 nm 20° tf 10° 0° 10° 30° 20° 30° 40° 1000 40° (ms) 50° tr 50° Switching time 60° 60° 70° 70° 80° 90° 100 10 1 80° 0 0.2 0.4 0.6 0.8 90° 1.0 Relative sensitivity 10 Load resistance RL 100 (kW) 4 2002-01-29 TPS818 RESTRICTIONS ON PRODUCT USE 000707EBA · TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. It is the responsibility of the buyer, when utilizing TOSHIBA products, to comply with the standards of safety in making a safe design for the entire system, and to avoid situations in which a malfunction or failure of such TOSHIBA products could cause loss of human life, bodily injury or damage to property. In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as set forth in the most recent TOSHIBA products specifications. Also, please keep in mind the precautions and conditions set forth in the “Handling Guide for Semiconductor Devices,” or “TOSHIBA Semiconductor Reliability Handbook” etc.. · The TOSHIBA products listed in this document are intended for usage in general electronics applications (computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances, etc.). These TOSHIBA products are neither intended nor warranted for usage in equipment that requires extraordinarily high quality and/or reliability or a malfunction or failure of which may cause loss of human life or bodily injury (“Unintended Usage”). Unintended Usage include atomic energy control instruments, airplane or spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments, medical instruments, all types of safety devices, etc.. Unintended Usage of TOSHIBA products listed in this document shall be made at the customer’s own risk. · The products described in this document are subject to the foreign exchange and foreign trade laws. · The information contained herein is presented only as a guide for the applications of our products. No responsibility is assumed by TOSHIBA CORPORATION for any infringements of intellectual property or other rights of the third parties which may result from its use. No license is granted by implication or otherwise under any intellectual property or other rights of TOSHIBA CORPORATION or others. · The information contained herein is subject to change without notice. 5 2002-01-29