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PT8A3251

Description
Ceramic Heating Controller
File Size177KB,8 Pages
ManufacturerPericom Semiconductor Corporation (Diodes Incorporated)
Websitehttps://www.diodes.com/
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PT8A3251 Overview

Ceramic Heating Controller

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PT8A3251/53
Ceramic Heating Controller
Features
Description
The PT8A3251/53 is a Mix-signal CMOS chip
designed for ceramic heating controller. The chip offers
6 different default heat temperature settings including
150C, 170C, 185C, 200C, 215C, 230C. And the
temperature range can be adjusted through external
series resistance. The PT8A3251 has an internal timer; it
timeouts and device will stop heating automatically after
216000 clock period, ie. 1 hour for 60Hz and 1.2 hour
for 50Hz. The PT8A3251/53 also has over temperature
protection function. The chip is enclosed in Lead free
DIP-16 and SOIC-16.
High watt density Alumina Heaters
High triggering current and double pulse trigger for
SCR
Enhanced MHP Algorithm for Quickly Heating-Up
and Quickly Lost-Heat-Recover
Uniform Heat to Maintain Constant Temperature
Adjustable to fit wide range heating plates
Adjustable to different Thermal Coefficient of
Resistively
Full compensation and insensitive to environment
temperature
6 Heat Temperature Settings
Auto power off for PT8A3251
Over Temperature protection
Package: DIP-16 and SOIC-16 package
Applications
Ceramic Heating Controller
Pin Configuration
L4
C1
C2
REF2
REF1
PTC
GATE
OT
1
2
3
4
5
6
7
8
16
15
14
L3
L2
L1
PT8A3251/33
13 VDD2
12 VDD1
11 VB
10 GND
9 CLK
12-07-0006
1
PT0224-1
07/06/12

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