The µA78S40 is a switching regulator subsystem, consisting of a temperature compensated voltage reference, controlled–duty cycle oscillator with an active. 78S40 datasheet, 78S40 circuit, 78S40 data sheet: NSC – Universal Switching Regulator Subsystem,alldatasheet, datasheet, Datasheet search site for. 78S40 datasheet, 78S40 circuit, 78S40 data sheet: ONSEMI – UNIVERSAL SWITCHING REGULATOR SUBSYSTEM,alldatasheet, datasheet, Datasheet search.

Author: Vinris Zolomuro
Country: Liberia
Language: English (Spanish)
Genre: Medical
Published (Last): 4 September 2004
Pages: 14
PDF File Size: 7.23 Mb
ePub File Size: 9.38 Mb
ISBN: 801-2-25945-193-7
Downloads: 98645
Price: Free* [*Free Regsitration Required]
Uploader: Akizshura

Articles Top Articles Search resources. Chippie Member Jul 8, As BRE has suggested have a look at simple switchers, or look at the 78S40 data sheet Click here to register now.

Sep 7, 2, Sep 27, 8. By continuing to use this site, datasgeet are consenting to our use of cookies. Sep 27, 4. Sep 26, 18 0.

Feb 11, 5, 1, Try National Semiconductors simple switcher series. Hello, I want ot design a buck converter with the following specifications: Oct 27, 6, 1, How the output voltage is calculated? Welcome to our site! I’ll see if I can find it. So datasheeet need to change R1 to change the 10v output. Sep 27, 2. Sep 27, But I’ve seen it on the boards here and much datahseet simple than the inductor.


National Semiconductor 78S40 Series Datasheets. LM78S40, 78S40, LM78S4 Datasheet.

You May Also Like: Your name or email address: Sep 28, Datasheeg 78S40 chip is so old, it’s data sheet may have gone through some “cut downs” which is what they do with old products that they don’t want to waste a lot of catalog pages on.

In the case of a buck, it’s max Vin, and min Vout and max Iload. Hi Guys, I am trying to figure out from the maths of a Step-down Switching regulator. Plus, you always have to use the worst case values.

Step Down Switching Regulator

For 20v output you would have 1. To participate you need to register.

Sep 27, 3. Electro Tech is an online community with overmembers who enjoy talking about and building electronic circuits, projects and gadgets.

Yes, my password is: Sep 27, 9. Just saying hello Started by MichaelaJoy Yesterday at 6: Do you already have an account? Forums New posts Search forums. Thread starter jayce Start date Jul 8, L and C values.


78S40 Datasheet PDF

You must log in or register to reply here. Quote of the day. How would I know the peak current which this is designed.?

iPhone X