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PT8A3287PE

Description
Heating Controller
File Size203KB,8 Pages
ManufacturerPericom Semiconductor Corporation (Diodes Incorporated)
Websitehttps://www.diodes.com/
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PT8A3287PE Overview

Heating Controller

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PT8A3280/1/2/3/4/5/6/7
Heating Controller
Features
Description
The PT8A3280/1/2/3/4/5/6/7 is a mixed signal
CMOS LSI chip designed as heating controller with help
of external NTC (Negative Temperature Component).
NTC open protection is implemented for device safety.
This device can be used in both 120V and 240V power
line supplier, as it will automatically adjust the heating
power according to the power line voltage to avoid
heating appliance damage or long heating time. The
proportional control algorithm is designed in this
product.
Dual Voltage (120V/240V) operations
Auto temperature control with NTC
NTC open protection
Multi mode LED indicator
Proportional control
Pulse trigger for high current SCR/TRIAC (up to
15mA)
Internal Zener
Auto Heating off after heating timer timeout
Low cost 8-Pin DIP and SOIC package
Applications
PT 8A3270/1/2/3
PT 8A3290/1/2/3
Curler
1
2
3
4
Pin Configuration
PT 8A3274/5/6/7
PT 8A3294/5/6/7
NTC1
NTC2
CLK
GND
1
2
3
4
8
7
6
5
VDD
LED2
GATE
ON/OFF
NTC1
NTC2
CLK
GND
PT 8A3278/9
PT 8A3288/9
1
2
3
4
8
7
6
5
VDD
TURBO
GATE
ON/OFF
NTC1
NTC2
CLK
GND
PT 8A3280/1/2/3
PT 8A3284/5/6/7
1
2
3
4
8
7
6
5
VDD
LED2
GATE
LED1
C1
8
VDD
Straightener
7
6
5
OFF
GATE
ON
C2
K
D
Pin Description
Pin No.
1
2
3
4
5
6
7
8
Pin Name
NTC1
NTC2
CLK
GND
LED1
GATE
LED2
VDD
I/O
I
O
I
Power
I/O
O
I/O
Power
Description
NTC voltage input, NTC open detection input
Output signal for NTC open detection
Clock input from power line
Ground and Power
3280/1/2/3/4/5/6/7:
LED1 driving output
3280/1/2/3:
SCR trigger output
3284/5/6/7:
TRIAC trigger output
3280/1/2/3/4/5/6/7:
LED2 driving output
Ground and Power
12-07-0006
1
PT0261-1
07/06/12

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