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MC14514
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Product Manufacturers Pack D/C
MC14514 - - -

Pinout/Connection Diagram

mc14514 Circuit
One of the control circuit's triacs selects the tap on main transformer T1, which provides the proper, preregulated voltage to the secondary regulator. T2 and its associated components comprise the second-ary regulator.

The ADO 0804, IC1, digitizes a voltage-feedback signal from the secondary regulator's output. The MC1415 demultiplexer, IC2, decodes the digitizer's output. IC2, in turn, drives T1's optoisolated triacs via the 74LS240 driver chip, IC3, and associated optoisolators.

Transformer T3 samples the circuit's current output. The auxiliary, 12 V winding on T1 ensures no-load starting. The combination of op amp IC5 and the inverting transistor, Q1, square this current signal. The output of Q1 is the CLK signal, which triggers one-half of the one shot, IC4A, to begin the circuit's A/D conversion. The one shots' periods are set to time out within 1/2 cycle of the ac input.

Upon completion of its A/D conversion, IC1's INTR output triggers the other half of the one shot, IC4B, which enables the converter's data outputs. The rising edge of the CLK signal resets the one shot and latches the new conversion value into IC2. The latch, associated driver, and optoisolator trigger a selected triac according to the latest value of the voltage-feedback signal, VO.

Supplier

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  Part Number Mfg Pack D/C Qty Note
MC14514 MOTOROLA DIP 94+ 1040
  ANTECH ENTERPRISE LIMITED China (Mainland)
Contact: Ms. Christina Cheung   MSN:christina-cheung@hotmail.com Tel: 86-0755-82767565 Fax: 86-0755-23816815
MC14514 MC SOP 11+ 12000 New & Original
  HONGJIEXIN ELECTRONICS TECHNOLOGY(HK) LIMITED China (Mainland)
Contact: Mr. Jimmy   MSN:chuangpeng_11@hotmail.com Tel: 86-755-83748089 Fax: 86-755-83748089
MC14514 MOTOROLA DIP 10+ 94+
  Edian Electronics Company China (Mainland)
Contact: Ms. cheung trammy   MSN:focosales@hotmail.com Tel: 86-755-82521939,23815519,83230734 Fax: 86-755-23815519
MC14514 MOT DIP 130 our own stock
  hk chishing electronics company China (Mainland)
Contact: Ms. Rosemary Gao   MSN:zcic.joany@hotmail.com Tel: 86-755-82806855 Fax: 86-755-82806919
MC14514 DIP 500 in stock
  South Technology (HongKong)Co. ltd Hong Kong
Contact: Ms. Kathy Zhou   MSN:icsouth@hotmail.com Tel: 852-852-5311 7544 Fax: 852-852-6913 2644
MC14514 DIP 08+ 15 New and original
  HK CHEONG TAI ELECTRONIC TECHNOLOGY CO.,LIMITED China (Mainland)
Contact: Mr. jackie   MSN:jackeyzsw@hotmail.com Tel: 86-755-8366-6525 Fax: 86-755-8322-4745
MC14514 MC DIP 400 06+
  Billiontop International LTD Hong Kong
Contact: Mr. terry   MSN:yg.gj@hotmail.com Tel: +86-0755-33203689 Fax: +86-0755-33203689
MC14514 DIP 1000
  INIX (HK) ELECTRONIC CO.,LIMITED China (Mainland)
Contact: Ms. Yvonne Feng   MSN:safaryfung@hotmail.com Tel: 86-755-86105223 Fax:
MC14514 09+ 5874 IN STOCKS!
  Isen Global Technology Co., LTD Hong Kong
Contact: Mr. Andy   MSN:hkisen@live.com Tel: +852--5390 3927 Fax: +852--5390 3937
MC14514 DIP 53 XLL
  Better(HK) Electronics co., LTD China (Mainland)
Contact: Mr. clark chen   MSN:clark03chan@hotmail.com Tel: 86-754-82333855 Fax: 86-754-82333827
MC14514 MC 5000
  Union-technilogy Development Ltd China (Mainland)
Contact: Mr. Cindy/Daniel   MSN:union-tech4@hotmail.com Tel: 86-755-82567470 Fax: 86-755-82567448
MC14514 DIP 1000
  T-effect(HK)Electronic Co.,Limited China (Mainland)
Contact: Mr. Charles Liu   MSN:helenfu2009@hotmail.com Tel: 86-755-61221678 Fax: 86-755-61216368
MC1451406 SOP16 MOT 06+ 880
  Ailif Electronic Technology Ltd Hong Kong
Contact: Ms. wang   MSN:weichaocai@hotmail.com Tel: 86-755-82535329 Fax: 86-755-83267451
MC1451416P 700
  CHUANHAI TECHNOLOGY ( H.K ) CO.,LIMITED China (Mainland)
Contact: Ms. Cherry   MSN:Cherrywong008@hotmail.com Tel: 86-755-83752065 Fax: 86-755-83780366
MC145141P MOTO DIP N/A 2010 New original in stock
  Xing Cheng Electronics Co.,Ltd China (Mainland)
Contact: Mr. Guo   MSN:stxcdz@hotmail.com MSN:guopen@live.com Tel: 86-0754-84462652 Fax: 86-0754-84462652
MC145141P MOTO DIP 220
  YXS TECHNOLOGY.,LIMITED China (Mainland)
Contact: Ms. rinka   MSN:jack@ic-yxs.com Tel: +86-0755-83973711 Fax: +86-0755-83976992
MC145141P MOTOROLA 220
  Pen-Reform Electronic Technology Co.,Ltd China (Mainland)
Contact: Ms. Sabrina Yang   MSN:prf08@live.cn Tel: 86-755-2502-6236 Fax: 86-755-2502-6236
MC145141P2 MOTO DIP N/A 2010 New original in stock
  Xing Cheng Electronics Co.,Ltd China (Mainland)
Contact: Mr. Guo   MSN:stxcdz@hotmail.com MSN:guopen@live.com Tel: 86-0754-84462652 Fax: 86-0754-84462652
MC145141P2 MOTO DIP 120
  YXS TECHNOLOGY.,LIMITED China (Mainland)
Contact: Ms. rinka   MSN:jack@ic-yxs.com Tel: +86-0755-83973711 Fax: +86-0755-83976992
MC145141P2 MOTOROLA 1120
  Pen-Reform Electronic Technology Co.,Ltd China (Mainland)
Contact: Ms. Sabrina Yang   MSN:prf08@live.cn Tel: 86-755-2502-6236 Fax: 86-755-2502-6236
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PDF / Datasheet

MC145145DW2 PDF Download

MC145145DW2

File Size: 56015 KB
Manufacturer: MOTOROLA [Motorola, Inc]

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