Pericom Semiconductor PT8A2648
The PT8A264X is a CMOS LSI chip designed for use in automatic PIR lamp control. It can operate with a 2-wire configuration for triac applications or with a 3-wire configuration for relay applications. The chip is equipped with operational amplifiers, a comparator, timer, a zero crossing detector, control circuit, a voltage regulator, a system oscillator, and an output timing oscillator.| Part No. | PT8A2648 |
|---|---|
| Datasheet | PT8A2648 Download |
| Manufacturer |  Pericom Semiconductor |
| Description | PIR Sensor Light Switch |
| Buy | Stock & Price |
FEATURES
● Operating voltage: 5V (Typ.)● Average supply current: 120µA (Typ.)
● 2 stage op-amp for filter.
● Build-in noise rejection circuit.
● On-chip regulator.
● Adjustable output duration
● Override function.
● ON/AUTO/OFF selectable by MODE pin
● Apply to AC 220V/50Hz and 110V/60Hz.
● Auto-reset if the ZC signal disappears over 3 seconds
● Output pulse (PT8A2641/5/7) to drive triac or output level (PT8A2642/6/8) to drive relay.
● CDS to enable/disable output.
● 40 second warm-up.
● Quick check mode for installation. PT8A2641-2642/2645-2648 ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| PIR Sensor Light Switch Product
DESCRIPTION
Its PIR sensor detects infrared power variations induced by the motion of a human body and transforms it to a voltage variation. If the PIR output voltage variation conforms to the criteria (refer to the functional description), the lamp is turned on with an adjustable duration.
