Skip to main content

projects:Designing a cut off 12V charger with TL431

About TL431   :

The TL430, was introduced as an adjustable shunt regulator in 1976 by  Texas Instruments.

The TL431 was created as an improvement to TL430 with better accuracy and stability and was called a precision adjustable shunt regulator. The TL431 was announced as a future product in 1977 and launched in 1978
The TL431 is a three-terminal adjustable regulator series with a guaranteed thermal stability over applicable temperature ranges. The output voltage may be set to any value between VREF (approximately 2.5 volts) and 36 volts with two external resistors These devices have a typical dynamic output impedance of 0.2Ω. Active output circuitry provides a very sharp turn-on characteristic, making these devices excel lent replacement for zener diodes in many applications.
Lets use the voltage calculator tool:



Link :  http://www.electronics2000.co.uk/calc/potential-divider-calculator.php

Comments

Post a Comment

Popular posts from this blog

BUS with no tickets

# makeinAssam ৫০বছৰে সেই বাছ conductorক খুচুৰা দিয়া কাম চলিছে .... বাচ পেমেন্ত চিচিতেমবোৰ বনাওতে খৰচ হয় বাবে নবনায়... ফলত টেকনকজী ব্যৱহাৰ নহয় পুৰনী কলিয়া চিচতেমেৰেই চলিচে হেচ থেলা খাই , কেচ লেচ হলে কেনে হয় ? The Revolutionary MakeinAxom IDEA::  পুৱা প্ৰিপেইদ কাৰ্দ ললে (50/-)বাচ স্তপত .. বাচ সোমাওতে কত যাব সেই জেগাৰ টকা বুতাম প্ৰেচ কৰিলে ধৰক ভাড়া ৬টকা ... তাত তেপ কৰক মানে কাৰ্দ চুই দিয়ক /ওপৰেৰে লৈ যাওক .. বিপ কৰিব মানে টকা কাতিলে আন ভাড়া বাবে কন্দাক্তৰে ৰিমতেৰে ভাৰা চিলেক্ত কৰি দিলে ৮টকা / ১২ টকা /১৫টকা কেচ লেচ কৰা সকলক অফাৰ ও দিলে ১৫০/- ললে ৩টা ভাড়া ফ্ৰি সন্দিয়া দৰকাৰ পৰিলে , বাচ স্তপত গৈ বাকী ৰোৱা ধন ঘুৰালে বা কাৰ্দতে ৰাখিলে The  fraud  security :: preventing misuse.. checker in buses : ভুল ভাড়া দি বেছি দুৰ যোৱা সকলৰ কাৰ্দ চেকাৰে চেক কৰিব যত তত ... ধৰা পৰিলে ২০০০ফাইন Why this is so cheap system  yet very very useful: আৰদুইন হৈছে প্ৰচেচৰ বৰ্ড যত সকলো সহজে বনাব পাৰি . .BAREBOAR ARDUINO বনালে ১২০/-মানতে কৰি লব পাৰে ... ইয়াৰে মেই ৰিদাৰ বনাইছোঁ... ...
Post a Comment
Read more

SpaceX ElonMask , is building up inter-globe-travel : Newyork to Mumbai in 30Minutes

Elon Musk predicts rockets will one day have the capacity to fly individuals from New York to Shanghai in only 39 minutes. Musk's organization, SpaceX, is building up a colossal shuttle to colonize Mars. It could likewise be utilized substantially nearer to home. Talking at a space meeting in Australia on Friday, Musk said the organization had investigated applying the innovation to zooming individuals to better places on Earth in madly quick circumstances. "The outcomes are very intriguing," he said as a video demonstrated a recreation of individuals boarding a rocket in New York that launched into space and afterward returned to arrive in Shanghai. Related: Elon Musk is expecting to arrive spaceships on Mars in 2022 "The  most interesting thing about going to space is there's no contact, so once you're out of the air ... it'll be smooth as silk, there's no climate," Musk said. Most voyages between focuses on this planet will tak...
1 comment
Read more

you said Joule Thief?

you said Joule Thief?  you said Joule Thief?  It’s a little wisp of a circuit that allows you to drive aPOWER  LED from a low voltage. Normally, if you want to light up a blue or white LED you need to provide it with 3 – 3.5 V, like from a 3 V lithium coin cell. But the magic of JT is  a 1.5 V battery like a AA cell simply will work.  Easy make  Joule Thief,  works like a charm. Not only does it work with a brand new battery, but it works until the battery is nearly dead– down to 0.3 V.  That’s well below the point where your other toys will tell you the battery is dead, so it can steal every last joule of energy from the battery (hence the name). how about a cellphone charger , yes it is doable , we are here to give you  a usable tested diagram . get  the ring toroid from a OLD smps of pc ! 
Post a Comment
Read more