LS7339 Datasheet, PDF (4/5 Pages) LSI Computer Systems – AUTO SHUT-OFF AC POWER SWITCH WITH PROGRAMMABLE TIMER

FIGURE 5. A TYPICAL AUTO SHUT-OFF AC POWER SWITCH
P
SEE
NOTE 2
G
R8 _MT1
T1
C7 ^MT2
Z1
AC
MAINS
C1
R2
D1
L1
C2
+
C3
-
R1
LOAD
A
SEE
B
NOTE 1
N
R5
R3 R4
S1 ^ON
OFF
43 2
1
TRIG V DD OFF ON
R6
LS7339
V SS OSC CAP SYNC
56
78
R7
-+
C6
C5 C4
NOTES: 1. Use Connection A when Neutral is not available. Use Connection B when Neutral is available.
2. Snubber Network C7, R8 may be required for some inductive loads.
3. See Table 2 for Component Functional Description.
115VAC
220VAC
115VAC
220VAC
(1)(3) R1 150Ω, 1W 360Ω, 2W (1)(2)C3 100µF
100µF
(2)(4) R1 82Ω
82Ω
(3)(4)C3 47µF
47µF
R2 1.5MΩ
1.5MΩ
C4 470pF
470pF
R3 100kΩ
100kΩ
C5 0.047µF
0.047µF
R4 100kΩ
100kΩ
C6 (6)
(6)
R5 100Ω
100Ω
C7 0.1µF, 200V 0.1µF, 400V
R6 (5)(6)
(5)(6)
Z1 15V, 1/2W 15V, 1/2W
R7 (5)(6)
(5)(6)
D1 1N4148
1N4148
R8 1.8kΩ, 1W 1.8kΩ, 2W
L1 100µH
200µH
C1 0.15µF, 200V 0.15µF, 400V (7)T1 Q4008L4 Q5004L4
(1) C2 1.0µF, 200V 0.47µF, 400V
(2) C2 0.47µF, 200V 0.22µF, 400V
(3) C2 0.33µF, 200V 0.22µF, 400V
(4) C2 0.22µF, 200V 0.1µF, 400V
(1) LS7339, Connection A
(2) LS7339, Connection B
(3) LS7340, Connection A
(4) LS7340, Connection B
(5) 100kΩ ≤ (R6 + R7) ≤10MΩ
(6) (R6 + R7)C6 ≥ 5ms
(7) Typical
All Resistors 1/4W, all Capacitors 25V unless otherwise specified
7339-060201-4