LS7217， LS7217-S
Light-Activated Programmable Timer (8 Pins)
Interface directly to photo-resistor
Programmable duration selection: 4 hours， 6 hours， 8 hours， dusk-to-dawn
Shunt regulator
50 Hz / 60 Hz time base selection
Relay driver output
6。5V +/- 0。75V operation
Applications include lighting timer for low-voltage landscape lighting
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