Quick and basic guide to understanding the popular TL494 pulse width modulation chip. I explain what all the pins do and show how to connect them up......I hope you find it useful.
Correction: The feedback pin is there to stabilize the error amplifiers. Simply connect it as shown in the datasheet.
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Timecodes
0:00 - Intro
0:16 - Supply voltage
0:23 - Internal Oscillator
1:14 - Output transistors
1:32 - Output control
2:06 - DTC - Dead Time Control
3:22 - Soft start
4:42 - Output voltage control
5:34 - Over current protection
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TL494 Datasheet
www.ti.com/lit/an/slva001e/sl...
Негізгі бет Guide to the TL494 PWM Chip
Пікірлер: 26