PT8A2524 Datasheet, PDF (5/10 Pages) Pericom Semiconductor Corporation – Universal Timer Controller

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PT8A2524-26/34-36/44-46
Universal Timer Controller
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TO94 Universal Timer to drive RELAY with two buttons
ACL
D2
R2
IN4007
D1
6.8K 1/2W*
27K 1/2W*
R1
IN4007 24K 1/2W*
100K 1/2W*
120V/240V
C1
22uF/16V*
ACN
R3
C3
10K
10uF/100V
U1
PT8A2526-PT8A2536
VCC
DISC
2
C2
104
RELAY ³
GND
S1
ON
Q1
2N5551
D3
IN4007
Q2
S2 ^2N5551
OFF
LOAD
K1
*Note1: For 120VAC power supply system, R1 value is 24K, R2 value is 6.8K.
For 240VAC power supply system, R1 value is 100K, R2 value is 27K.
Note2: C1 value range is 22uF to 68uF.
ACL
D2
IN4007
R2
6.8K 1/2W*
27K 1/2W*
D1
R1
IN4007 24K1/2W*
100K 1/2W*
120V/240V
C1
22uF/16V*
ACN
DIP8 Universal Timer to drive RELAY with one button
VCC
U1
1 _TS2
VCC ⁸
2 _TS1
ACSEL ⁷
3 _TS0
RELAY ⁶
C2
4 _GND
DISC ⁵
104
PT8A2544/5PE
S1
RESETor ON/OFF
R3
10K
C3
10uF/100V
Q1
2N5551
D3
IN4007
Q2
2N5551
LOAD
K1
*Note1: For 120VAC/60Hz power supply system, R1 value is 24K, R2 value is 6.8K, ACSEL is connected to GND or
floating.
For 240VAC/50Hz power supply system, R1 value is 100K, R2 value is 27K, 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
PT0266-5
01/03/14
5