Po188 Light Sensor For Mobile

Typical Application
Back light source illuminations adjust: TV, Computer display, LCD Backlight, Data code
camera, MP3/MP4, PDA, and GPS;
Energy saving: Outdoor advertisement machine, inductive lightening utensil, and toy;
Instrument: Illuminometer and industrial control.
Environment protection substitute: Substitute for light sensitive resistor, photosensitive
diode, photosensitive triode;
Absolute Maximum Ratings

Electric Characteristic
Small dark current, low illumination response, high sensibility, output current in proportion
to illumination;
Built in double sensitive receiver and Optical filter-less, attenuate near infrared
automatically. Spectral response close to human eye sensitivity;
Embedded micro signal CMOS amplifier, high precision voltage source, and correct circuit;
Output current is high;
Two Optics material packages to choose, to permeate visible light, cut off ultraviolet,
relative damp infrared ray, and improve optical-filter effect;
Accord with RoHS standard. Pb free, CdS free.
Fig.1 Visible light illumination Sensor Simplified Schematic

The Po188 is a photoelectrical integrated optical sensor designed at ?p=520nm, with double sensitive receiver. It is highly sensitive to visible light, and varies linearly with illumination changing. It is used in saving energy, automatic sensitivity to light, and self-adaptive control in TV, LCD back light, Digital code product, instrument, industry device etc.

Ambient Light Sensor for iPHONE and LCD display control