LS7217 lighting equivalent, photo controlled outdoor lighting.
* Input interface to a LDR or a photo transistor
* Programmable Duration Selection
* Shunt regulator
* 50Hz / 60Hz time base selection
* Relay Driver.
Lighting control for outdoor area lighting, street lighting, parking lot lighting, billboards lighting
DESCRIPTION The 7.
The 7217 is a programmable Timer IC designed to turn on a relay at night and turn off the relay at dawn or after a selectable number of hours. Figure 2 shows a typical application schematic.
PIN DESCRIPTION: The following describes the operation of t.
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