
Weltrend Semiconductor
GENERAL DESCRIPTION
WT 8072 is a PIR (passive infra-red) controller, using analog mixing digital design technique and manufactures by CMOS process which can either drive TRIAC or RELAY depending on users' choice. With special noise immunity technique, WT8072 is the most stable PIR controller you can find on the market. More than this, there are few components needed in its application circuit which can reduce material cost and increase competitive.
FEATURES
* HIGH NOISE IMMUNITY.
* DRIVE EITHER RELAY OR TRIAC.
* ADJUSTABLE LIGHT ON DURATION.
* TRIAC CAN BE EITHER SHUNT OR SERIAL CONNECTED.
* PIR INPUT.
* CDS INPUT.
TYPICAL APPLICATION
HOME SECURITY SYSTEM.
AUTO LIGHT SYSTEM FOR GARDEN, GARAGE, HALLWAY, STAIRCASE, PORCH, BATHROM, AND ETC.
AUTO SWITCH FOR VENTILATION FAN.
AUTO NOTICE SYSTEM FOR OFFICE, STORAGE, AND ETC.