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PT8A3289T

Heating Controller

Datasheet

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Product Description

The PT8A3299/3289 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.

Auto heating-off after heating timer timeout.
Auto temperature control: maintains user selected temperature.
120V/240V Dual-voltage.

Features

Dual Voltage (120/240V) operations
Internal 5V Zener
Auto temperature control with NTC
NTC open protection
Multi mode LED indicator
Pulse trigger for high current SCR/TRIAC
Auto Heating off after heating timer timeout (1.2h at 50Hz and 1h at 60)
Low cost 8-Pin DIP/SOIC package

Applications

Curler
Straightener

Product Specifications

Product Parameters

Heating Element	Mica/PTC
LED @ Heater On	Constant
Auto Off	No
On/Off Key	One Key (ON-OFF)
Driver Type	SCR/Triac

Technical Documents

Recommended Soldering Techniques

TN1.pdf

Additional Technical Documents are available upon request:
Application information, Evaluation board, and Other technical documents

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