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PT8A3266B Dataheets PDF



Part Number PT8A3266B
Manufacturers Pericom Semiconductor
Logo Pericom Semiconductor
Description NTC Heating Controller
Datasheet PT8A3266B DatasheetPT8A3266B Datasheet (PDF)

|||||||||||||||| PT8A3263-66A-F/67A/68A ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| NTC Heating Controller with Multi LEDs Features Description  5/6 steps heat temperature settings with 5 LEDs or 6 LEDs indicator  Auto tempera.

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|||||||||||||||| PT8A3263-66A-F/67A/68A ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| NTC Heating Controller with Multi LEDs Features Description  5/6 steps heat temperature settings with 5 LEDs or 6 LEDs indicator  Auto temperature control with NTC  NTC open protection  Pulse trigger for high current SCR / TRIAC (up to 15mA)  Auto power off after exact 1 Hour heating(It is optional to disable.)  Dual Voltage (120/240V 50/60Hz) operations (only PT8A3263-3266A/B/C available)  Auto detect power supply Voltage (120V/240V) and frequency (50/60Hz)  Internal 5V Zener  DIP-16 and SOIC-16 package Applications  Ceramic heating controller Pin Configuration NTC1 1 NTC2 2 CLK 3 TM 4 C1 5 K1 6 K2 7 PT8A326x 16 VDD 15 GATE 14 L6 13 L5 12 L4 11 L3 10 L2 GND 8 9 L1 The PT8A3263/4/5/6/7/8 are mixed signal CMOS LSI chips specially designed for heating controller with the external NTC (Negative Temperature Component) sensor. NTC open protection is implemented for device safety and selectable 5 or 6 heating temperature levels. PT8A3263/64 are for 5 step levels (eg.100℃, 120℃, 140℃, 160℃, 180℃) and PT8A3265/66 are for 6 step levels (eg. 100℃, 120℃, 140℃, 160℃, 180℃, 200℃). They can drive TRIAC or SCR directly and detect the heater’s temperature with NTC sensor input. They have up/down keys for temperature setting, On/Off Key for heating on/off control and 3 LEDs display mode. PT8A3267/68 have 6 step levels (eg.100℃, 120℃, 140℃, 160℃, 180℃, 200℃). They can drive TRIAC or SCR directly and detect the heater’s temperature with NTC sensor input. They have up/down keys for temperature setting and On/Off Key for heating on/off control. They also have 1 second (2 seconds for PT8A3268A) delay function before go into off state and lock-key function. Their LEDs have special running flash mode (mode 4) These devices can be used in both 120V and 240V power line system, as they can automatically adjust the heating power according to the power line voltage to avoid heating appliance damage or long heating time. They have selectable build-in timer to enable/ disable auto-power off function after turn on 1 hour and the timer is 1 hour both under 60Hz and 50Hz power supply. Pin Description Name NTC1 NYC2 CLK TM C1 K1 K2 L1~L6 GATE GND VDD Pin No. 1 2 3 4 5 6 7 9-14 15 8 16 Type I O I I O I I O O Ground Power Description NTC voltage input, NTC open detection input Output signal for NTC open detection Clock input from power line Timer be disabled if tied ground ON state indicator / lock key indicator for 3267A/3268A UP, DOWN push button input ON/OFF push button input Six temperature steps indicator LED1~LED6 output TRIAC and SCR trigger output Ground Power Supply. 2015-07-0002 PT0326-2 09/29/15 1 |||||||||||||||| PT8A3263-66A-F/67A/68A NTC Heating Controller with Multi LEDs ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| Maximum Ratings StorageTemperature...................................................................................-55oC to +150oC Ambient Temperaturewith Power applied...............................................-20oC to +85oC SupplyVoltage to Ground Potential(Input & VDD Only).........................-0.5Vto+6.5V SupplyVoltage to Ground Potential(Output s Only)................................-0.5Vto+6.5V DC Input Voltage .............................................................................................-0.5Vto +6.5V Input/Output Current................................................................... 50mA Input/Output Current (Pin VDD, VB only)............................... 200mA Power Dissipation.........................................................................................................500mW Note: Stresses greater than those listed under MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability. Recommended operation conditions Sym VDD TA FCLK Parameter Operating Voltage Operating temperature Frequency of CLK Pin VDD CLK Min Typ Max Unit 4.0 VZ - V -20 - 85 °C - 50/60 - Hz DC Electrical Characteristics DC Input Electrical Characteristics (VDD = 4.5V, TA = -20 ~ 85ºC, unless otherwise noted) Symbol Description VT_ NTC1 Voltage of NTC1 Pin:NTC1 VDD=4.5V .


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