|||||||||||||||||||||||||||||||||||||||||||||||||||

|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||

NTC+LCD Heating Controller

12-07-0006

PT0356-1

07/06/12

1

PT8A3361/62/63/64

Features

 LCD screen showing temperature setting

 Dual Temperature (Fahrenheit/Centigrade) Display

 Backlights indicating work status

 Auto temperature control with NTC

 8 and 11 temperature levels option

 Three keys: On/Off, Up and Down

 NTC open protection

 Pulse trigger for high current SCR/TRIAC (up to

15mA)

 1 hour auto power off.

 Dual Voltage (120V/240V) operations

 Internal 5V zener

 Lead free and Green QFN-24， TSSOP-24 and

SOIC-24 package; Lead free DIP-24 package

Description

The PT8A336x 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 and 11

temperature levels. It can drive TRIAC or SCR directly.

It has 3 keys function setting. LCD displays and

backlight indicate the working status.

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 PT8A336x build-in timer will be auto-power off

after power on 1 hour both 60Hz and 50Hz.

Applications

 Heating Controller

Block Diagram