PT8A2641 Datasheet, PDF (5/13 Pages) Pericom Semiconductor Corporation – PIR Sensor Light Switch

||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| |||||||||||||||||||||||||||||||
Voltage regulation circuit
PT8A2641-2642/2645-2648
PIR Sensor Light Switch
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Symbol
VEE
OP2P
V_O
V_LDR
Parameter
Regulator Output Voltage
Noninverting input of OP2
Line regulation
Load regulation
Test Condition
V_CC
Condition
5V
No load
Min.
3.24
Typ. Max. Unit
3.6 3.96 V
5V
No load
1.62 1.8 1.98 V
-
4.5V_CC5.5V, I_L =1mA
-
5V
0.5mA  I_L2mA
-
30
50 mV
60
100 mV
Operational amplifier and windows comparator
Symbol
BW
V_H
V_L
Description
3dB band width
Threshold of windows
comparator
Test condition
-
V_CC=5V
V_CC=5V
Min TYP Max Unit
10
-
- KHz
1.8
2.0
2.2 V
1.35
1.5 1.65 V
Frequency of oscillator and Timing of ZC and trigger output
Symbol
F_MODE
T_DZT
T_TPW
T_DZR
Description
Oscillator frequency/512
Delay time from ZC to TRIAC
TRIAC Pulse Width
Delay time from ZC rising edge
to Relay
Test condition
V_CC=5V, RS=430K ,CS=180P
(PT8A264X)
Min Typ Max Unit
25 31.25 37.5 Hz
1.16 1.45 1.74 ms
50 62.5 75
s
-
125 200
s
Power Dissipation
Symbol
I_CC
Description
Power supply current
Test condition
V_CC=5V, R_S=430K ,C_S=180P,
R_D =2M, C_D=104, other Input
Pins=GND, all outputs float.
Min Typ Max Unit
-
120 200
A
12-07-0006
PT0192-3 07/06/12
5