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參數資料
| 型號： | PT8A262W |
| 廠商： | PERICOM SEMICONDUCTOR CORP |
| 元件分類： | 模擬信號調理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO16 |
| 封裝： | SOP-16 |
| 文件頁數： | 1/13頁 |
| 文件大小： | 83K |
| 代理商： | PT8A262W |
Data Sheet
PT8A261/262
PIR Sensor Light Switch Controller
PT0075(04/03)
Ver:5
1
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Features
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: 80A
General Description
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
Block Diagram
OP2O
OP2N
OP2P
OP1O
OP1P
OP1N
OSCD
OSCS
ZC
MODE
CDS
RST
RELAY
(for 262 only)
TRIAC
(for 261 only)
Comparator
latch circuit
Mode and CDS
control circuit
Control
circuit
Voltage
divider
Regulator
delay
oscillator
System
oscillator
Counter
circuit
Delay
circuit
Zero cross
debounce
Output circuit
_
+
_
V
EE
Ordering Information
Part Number
Package
PT8A261P / PT8A262P
16 - Pin PDIP
PT8A261W / PT8A262W
16 - Pin SOP
PT8A261DE / PT8A262DE
Die Form
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