DC ELECTRICAL CHARACTERISTICS:

PARAMETER

SYMBOL

MIN

TYP

MAX

UNIT

CONDITIONS

Supply Voltage

+12

-

+18

V

-

Supply Current

-

1.6

2.2

mA

Output off

Input Voltages

SYNC Lo

0

-

V

-

SYNC Hi

-

V

-

ON Lo

0

-

V

-

ON Hi

-

V

-

OFF Lo

0

-

V

-

OFF Hi

-

V

-

Input Current

SYNC, ON &

-

-

110

uA

With Series 1.5M

Ω

OFF Hi

Resistor to 115VAC

SYNC, ON &

OFF Lo

-

-

100

nA

-

TRIG Hi Voltage

-

-

V

-

TRIG Lo Voltage

-

-

V

TRIG Sink Current

25

-

-

mA

TRANSIENT CHARACTERISTICS (See Fig. 2 and 3)

(All timings are based on Fs = 60Hz, unless otherwise specified.)

PARAMETER

SYMBOL

MIN

TYP

MAX

UNIT

SYNC Frequency

Fs

40

-

70

Hz

ON/OFF Sense Time

50

-

Infinite

ms

TRIG Pulse Width

(LS7339)

Tw

-

1.0

-

ms

(LS7340)

Tw

-

33

-

µs

STATE 1 Time-out

-

255RC

-

s

ABSOLUTE MAXIMUM RATINGS:

PARAMETER

SYMBOL

VALUE

UNIT

DC supply voltage

+20

V

Any input voltage

V

Operating temperature

0 to +85

°C

Storage temperature

-65 to +150

°C

7339-012703-3

TABLE 2. COMPONENT FUNCTIONAL DESCRIPTION FOR FIGURE 5

COMPONENTS

FUNCTIONAL DESCRIPTION

Z1, D1, R1, C2, C3

DC Power Supply.

R2, C4

Current limit and filter AC for SYNC input.

C1, L1

RFI filtering for AC Mains.

C5

PLL filter capacitor.

R5

Current limiting and isolation between the IC output and Triac Gate.

R6, R7, C6

R3, R4

Pullup resistors to establish normally inactive condition of ON and OFF inputs.

S1

Momentary Double Throw Switch used to activate appropriate input.