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PT8A261 Datasheet Preview

PT8A261 Datasheet

(PT8A261 / PT8A262) PIR Sensor Light Switch Controller

No Preview Available !

Data Sheet
PT8A261/262
PIR Sensor Light Switch Controller
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Features
General Description
2-stage operational amplifier as filter
• Built-in noise rejection circuit
• On-chip regulator
• Override function
• Synchronous with AC 220V/50Hz and 110V/60Hz
• Pulse output (PT8A261) for TRIAC drive or
level output (PT8A262) for relay drive
• CDS to enable/disable output
• Adjustable output on time duration
• ON/AUTO/OFF selectable by MODE pin
• Auto-reset if the ZC signal disappears over 3
seconds
• 40 seconds warm-up
• Quick check mode for initial installation
• Operating voltage: 5V
• Stand-by current: 80µA
Block Diagram
The PT8A261 and PT8A262 are low power mixed signal
CMOS LSI designed for the automatic lamp control using
PIR sensor as motion detector.
With on chip noise filter and voltage regulator, the IC
provides stable operations throughout temperature
range. CDS input to disable day time operation is
desired.
Applications
• Energy saving auto-switch in Garden, kitchen,
bathroom, corridor, storage or yard
• Auto light in meeting room
Ordering Information
Part Number
PT8A261P / PT8A262P
PT8A261W / PT8A262W
PT8A261DE / PT8A262DE
Package
16 - Pin PDIP
16 - Pin SOP
Die Form
OP2O
OP2N
OP2P
OP1O
OP1P
OP1N
VEE
OSCD
_
+
+
_
OSCS
Comparator
Voltage
divider
Regulator
latch circuit
Control
circuit
Mode and CDS
control circuit
Output circuit
MODE
CDS
RELAY
(for 262 only)
TRIAC
(for 261 only)
delay
oscillator
System
oscillator
Delay
circuit
Counter
circuit
Zero cross
debounce
RST
ZC
PT0075(04/03)
1
Ver:5




Pericom Technology

PT8A261 Datasheet Preview

PT8A261 Datasheet

(PT8A261 / PT8A262) PIR Sensor Light Switch Controller

No Preview Available !

Data Sheet
PT8A261/262
PIR Sensor Light Switch Controller
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Pad Location
Pad Location of PT8A261DE
Die No.
1470um
CDS ZC OSCS
OSCD
MODE
VCC
VCC
NC
VEE RST
TRIAC
GND
OP2O
OP2N
OP2P
OPIP OPIN OPIO
Pad Name
X Coordinate
GND
TRIAC
570
570
OSCD
OSCS
ZC
570
570
-378.8
CDS
-30.1
MODE
570
VCC -197.1
VCC 136.9
Note: Substrate is connected to GND
Pad Coordinate
Y Coordinate
Pad Name
65.4
-101.6
399.4
232.4
689.2
NC
VEE
RST
OP1P
OP1N
-687.2
-435.6
-687.2
OP1O
OP2P
OP2N
-687.2
OP2O
X Coordinate
570
-570
303.9
-44.8
-211.8
-570
-570
-570
-570
Y Coordinate
-268.6
232.4
-687.2
689.2
689.2
-435.6
-268.6
-101.6
65.4
PT0075(04/03)
2
Ver:5


Part Number PT8A261
Description (PT8A261 / PT8A262) PIR Sensor Light Switch Controller
Maker Pericom Technology
Total Page 13 Pages
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