PT8A2521 Datasheet, PDF (5/9 Pages) Pericom Semiconductor Corporation – Universal Timer Controller

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PT8A2521-23/31-33/41-43
Universal Timer Controller
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DIP8 Universal Timer to drive SCR with one button
ACL
D1
R1
IN4007 24K 1/2W *
100K 1/2W*
120V/240V
C1
22 u F/ 1 6V
ACN
VCC
U1
1
TS2
VCC
8
2
TS1
ACSEL
7
K1
3
TS0
C2
104
4
GND
NC
6
SCR
5
PT8A2541/2PE
S1
RESET or O N/O FF
R2
5.6K
R3
3K
LOAD
Q1
C3
104
*Note1: For 120VAC/60Hz power supply system, R1 value is 24K, ACSEL is connected to GND or floating.
For 240VAC/50Hz power supply system, R1 value is 100K, ACSEL is connected to VCC.
*Note2: TS0, TS1 and TS2 are floating, the timer time out is 60 minutes.
Note3: C1 value range is 22uF to 68uF.
DIP8 Universal Timer to drive SCR with two buttons
ACL
D1
R1
IN4007 24K 1/2W *
100K 1/2W*
120V/240V
C1
22 u F/ 1 6V
ACN
VCC
U1
1
TS2
VCC
8
2
TS1
ACSEL
7
K1
3
TS0
C2
104
4
GND
NC
6
SCR
5
PT8A2543PE
S1
ON
R2
5.6K
S2
O FF
LOAD
Q1
R3 C 3
3K 104
*Note1: For 120VAC/60Hz power supply system, R1 value is 24K, ACSEL is connected to GND or floating.
For 240VAC/50Hz power supply system, R1 value is 100K, ACSEL is connected to VCC.
*Note2: TS0, TS1 and TS2 are floating, the timer time out is 60 minutes.
Note3: C1 value range is 22uF to 68uF.
2013-12-0013
PT0246-4 01/03/14
5