NOTE1: This application circuit can be used for lighting control of public spaces such as

Parking Lots, Billboards, street lamps etc.

NOTE2: Indicated connections of pins 4 and 5 keep the lamp on from dusk to dawn. See page 1

for configuring pins 4 and 5 connections to select 4, 6 or 8 hours on-time.

FIGURE 2. DUSK TO DAWN AUTO ON/OFF OUTDOOR LIGHTING APPLICATION

R1=68k

Ω, 1/2W, @120VAC

R1=240k

Ω, 1/2W, @240VAC

R2=6.8k

Ω, 2W, @120VAC

R2=27k

Ω, 2W, @240VAC

R3=4.7k

Ω, 2W, @120VAC

R4=680k

Ω, 2W, @240VAC

R4=1M

Ω, 2W, @120VAC

R5, R6=As needed for driving relay

R7=100k

Ω, 1/4W Potentiometer

R8=18k

Ω, 1/4W

R9=4.3k

Ω, 1/4W

C1=0.33uF, 200VAC, @120VAC

C1=0.2uF, 400VAC, @240VAC

C2=470uF, 25V

C3=0.1uF

C4=470pF

Z=15V Zener, 1W

D=DF04

D1=1N4148

Q1=2N5845

LOAD=Incandescent, LED, fluorescent or HID

lamp

7217-092214-2

Photo-transistor, Q2=Vishay TEPT 4400.