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Step-up converter 12V to 28V x 175mA MC34063

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Step-up converter 12V to 28V x 175mA MC34063

Circuit Description

The MC34063A/E series is a monolithic control circuit which delivers the main functions for DCDC voltage converting. The device contains an internal temperature compensated reference, comparator, duty cycle controlled oscillator with an active current limit circuit, driver and high current output switch. Output voltage is adjustable through two external resistors with a 2% reference accuracy. Employing a minimum number of external components, the MC34063A/E device series is designed for step-down, step-up and voltageinverting applications. http://www.st.com/content/ccc/resource/technical/document/datasheet/03/f9/c4/3d/7f/eb/4c/5e/CD00001232.pdf/files/CD00001232.pdf/jcr:content/translations/en.CD00001232.pdf

juan3211 says:

Hi, Why if i try to simulate this circuit in MultiSim 14, it doesn't work ? I have checked more than 10 times the schema and I always get 11.2 V in the output.
Could you try in desktop version? Regards,

5 years, 9 months ago

BezerraBrasileiro says:

Hello.
I think this forum can help you.
https://forums.ni.com/t5/Multisim-and-Ultiboard/Step-up-converter-MC34063A/td-p/3564963

5 years, 6 months ago

BezerraBrasileiro says:

Learn electronics using multisim and mathcad software.
Subtitles in English.
My youtube channel:
Electronic Engineering with Multisim and Mathcad

https://youtu.be/ss3HJRlmOGk
https://www.youtube.com/channel/UCEAnEPQFMiq5NAzcCdosXsg?view_as=subscriber

3 years, 6 months ago

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Electronics Applied

11 Members

Creator

BezerraBrasileiro

17 Circuits

Date Created

7 years, 1 month ago

Last Modified

3 years, 6 months ago

Tags

converter
mc34063
dcdc
step-down

Circuit Copied From

Inverter 5V to -12V MC34063