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PT8A262

Pericom Technology
Part Number PT8A262
Manufacturer Pericom Technology
Description (PT8A261 / PT8A262) PIR Sensor Light Switch Controller
Published Sep 30, 2005
Detailed Description Data Sheet PT8A261/262 PIR Sensor Light Switch Controller ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||...
Datasheet PDF File PT8A262 PDF File

PT8A262
PT8A262

Overview
Data Sheet PT8A261/262 PIR Sensor Light Switch Controller ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| Features • General Description The PT8A261 and PT8A262 are low power mixed signal CMOS LSI designed for the automatic lamp control using PIR sensor as motion detector.
• • • • • • • • • • • • • 2-stage operational amplifier as filter Built-in noise rejection circuit On-chip regulator Override function Synchronous with AC 220V/50Hz and 110V/60Hz Pulse output (PT8A261) for TRIAC drive or level output (PT8A262) for relay drive CDS to enable/disable output Adjustable output on time duration ON/AUTO/OFF selectable by MODE pin Auto-reset if the ZC signal disappears over 3 seconds 40 seconds warm-up Quick check mode for initial installation Operating voltage: 5V Stand-by current: 80µA With on chip noise filter and voltage regulator, the IC provides stable operations throughout temperature range.
CDS input to disable day time operation is desired.
Applications • Energy saving auto-switch in Garden, kitchen, bathroom, corridor, storage or yard • Auto light in meeting room Ordering Information Part Number PT8A261P / PT8A262P PT8A261W / PT8A262W PT8A261DE / PT8A262DE Package 16 - Pin PDIP 16 - Pin SOP Die Form Block Diagram OP2O OP2N OP2P _ + Comparator latch circuit Mode and CDS control circuit MODE CDS OP1O OP1P OP1N VEE OSCD + _ Voltage divider Control circuit Regulator Output circuit RELAY (for 262 only) TRIAC (for 261 only) delay oscillator System oscillator Delay circuit Counter circuit Zero cross debounce RST OSCS ZC PT0075(04/03) 1 Ver:5 Data Sheet PT8A261/262 PIR Sensor Light Switch Controller |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||...


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