PT8A2542WEX
PT8A2542WEX Datasheet
PT8A2521-23/31-33/41-43
| Part | Datasheet |
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PT8A2542WEX |
PT8A2542WEX (pdf) |
| Related Parts | Information |
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PT8A2541WE |
PT8A2541WE |
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PT8A2541WEX |
PT8A2541WEX |
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PT8A2542WE |
PT8A2542WE |
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| PT8A2521-23/31-33/41-43 Universal Timer Controller • Auto-shut off output once time-out • Button to ON/OFF/RESET timer • Available timer with high precision same as AC 50/60Hz • Build-in RC oscillator • Drive external SCR • Support 50/60Hz by part • Quick Test Mode QTM for manufacturer • Available timer of 15/30/45/60/90/120/240/480min • Low cost lead free package TO-92 or DIP-8 or SOIC-8 Pin Configuration PT8A2521/2/3A-H PT8A2531/2/3A-H TO92-3 Top View Universal timer is a mixed signal CMOS IC designed for a fixed timer to drive external SCR to implement safety power control. It is applied to 120V/240V and 50/60Hz AC power supply. It can automatically shut-off load in order to prevent undesired conditions from the system. Internal timer can present several kinds of different time 15mins, 30mins, 45mins, 1hr, 1.5hrs, 2hrs, 4hrs and 8hrs, which is decided by part number. • Universal Timer Controller PT8A2541/2/3 DIP-8 or SOIC-8 Top View TO92-3 Pin Description PT8A2521/2/3A-H, PT8A2531/2/3A-H Pin Name Pin No Pin Description - Power supply I/O SCR output and button input, high active - Ground PT8A2541/2/3 Pin Name TS2 TS1 TS0 GND SCR NC ACSEL Pin No. 1 2 3 4 5 6 Pin Description I Timer selection pins TS2 TS1 TS0 from 000~111 000 15m, 001 30m, 010 45m, 011 60m, 100 90m, 101 120m,110 240m,111 480m Default 011 by TS2 internal pull down, TS1&TS0 internal pull up. - Ground. I/O SCR output and button input, high active. I/O No connection. 50/60Hz selection pin default is 60Hz by internal pull down connecting to VCC is 50Hz. - Power supply. 2013-12-0013 PT0246-4 01/03/14 1 Maximum Ratings Storage Temperature -40oC to +125oC Supply Voltage to Ground Potential Input & VCC Only -0.5V to VCC + 0.5V Supply Voltage to Ground Potential Output s & D/O Only -0.5V to VCC + 0.5V DC Input Voltage -0.5V to VCC + 0.5V DC Output Current 20mA Power Dissipation 500mW Recommended operation conditions Parameter PT8A2521-23/31-33/41-43 Universal Timer Controller 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. Ordering Information PT8A2521-23/31-33/41-43 Universal Timer Controller Ordering No. Package Code Package PT8A2521xNBE* Lead free TO-92 PT8A2522xNBE* Lead free TO-92 PT8A2523xNBE* Lead free TO-92 PT8A2531xNBE* Lead free TO-92 PT8A2532xNBE* Lead free TO-92 PT8A2533xNBE* Lead free TO-92 PT8A2541PE* Lead free DIP-8 PT8A2542PE* Lead free DIP-8 PT8A2543PE* Lead free DIP-8 PT8A2541WE Lead free and Green SOIC-8 PT8A2542WE Lead free and Green SOIC-8 PT8A2543WE* Lead free and Green SOIC-8 Note “x” shows A~H with different Internal Timer, see below Suffix x Internal Timer table. E = Pb-free or Pb-free & Green Adding X Suffix= Tape/Reel *contact Pericom for availability. Function Comparison Table Part No One/Two key PT8A2521x PT8A2522x PT8A2523x Button Reset On/Off On, Off 50/60 Hz 50HZ Part No PT8A2531x PT8A2532x PT8A2533x One/Two key One Two |
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