PT8A261
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.
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- 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
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