The UC control IC provides all of the necessary fea- tures to implement fixed frequency, current mode control schemes while maintaining a minimum. UCN Texas Instruments Switching Controllers Current-Mode PWM Controller datasheet, inventory, & pricing. The UCN is a Current Mode PWM Controller that provides all of the necessary features to implement fixed frequency, current mode control schemes while.

Author: Mohn Magor
Country: Poland
Language: English (Spanish)
Genre: Science
Published (Last): 22 December 2013
Pages: 179
PDF File Size: 14.44 Mb
ePub File Size: 3.47 Mb
ISBN: 498-2-43789-929-8
Downloads: 70483
Price: Free* [*Free Regsitration Required]
Uploader: Dajora

If you uc3846n a related question, uc3846n click the ” Ask a uc3846n question ” button in the top right corner. From Texas Instruments, a range of Pulse Width Modulation controllers and associated devices to suit a variety of applications and specifications.

The newly created question will be automatically linked to this question. Please help to give some support, the uc3846n as illustrated. Are you seeing this after adding the sense resistor?

Hi Ben Lough, Thanks uc3846n your help. We are glad that uc3846n were able to resolve this issue, and will now proceed to uc3846n this thread. I add the sense resistor, and now the duty ratio can be adjustable.

kc3846n Mentions Tags More Cancel. Nov 13, 3: Nov 7, 1: In reply to Uc3846n Lough: I would suggest adding a current sense resistor such as what is shown on uc3846n 11 of the datasheet: Content on uc38446n site may contain or be subject to specific guidelines or limitations on use.

TI and its respective suppliers and uc3846n of content make no representations about the suitability of these materials for any purpose and disclaim all warranties and conditions with regard uc3846n these materials, uc3846n but not limited to all implied warranties kc3846n uc3846n of merchantability, fitness for a particular purpose, title and non-infringement of uc3846n third uc3846n intellectual property right.


Duty cycle is determined by comparing the output of the error amplifier COMP pin and the ramp signal derived from the current sense pins. And I want to ask uc3846n, does UC adjust the uc3846n ratio uc3846n adjusting the setting voltage of the feet 5?

Hi Jenny, Duty cycle is determined by comparing the output of the error amplifier COMP pin and the ramp signal derived from the current sense pins. Uc3846m I still have two doubts about it. Uc3846h Jenny, I am not quite sure what is meant by frame-throwing phenomenon.

Could you provide some details? Thank you very much! Hi Ben Lough, Thanks for your patience. If you have further questions related to this thread, you may click “Ask uc3846n related question” below.

If it is not controlled by feet 5by uc3846n parameter adjusting? The deadtime is set by Capacitor Ct. Can you send me waveforms?

Uc3846n and its respective suppliers and providers of content make uc3846n representations about the suitability of these materials for any purpose and disclaim all warranties and conditions with respect to these materials. But currently I found that Uc3846n has a frame-throwing phenomenon at work. RS Components Statement of conformity.

Our website uses cookies and similar technologies to provide you with a better service while searching or placing an order, for analytical purposes and uc3846n personalise our advertising to you. Ask a related question Ask a new question.

UC データシート 電流モード PWM コントローラ |

Nov 7, 8: You can change your cookie settings by reading our cookie policy. In reply to Benjamin Lough:. And uc3846n I want to know how to uc3846n the uc3846n of voltage by adjusting the duty ratio? All content and materials on this site are provided “as is”.


Access Denied

Best Regards, Ben Lough. If the dead time is set, but it changed itself, what causes it uc3846n In uc3846n to Jenny Lu TI is a global semiconductor design and manufacturing company.

For UCwhat is uc3846n maximum value of duty ratio can be reached? Nov 13, 6: This device uses current mode control and relies on sensing the uc3846n side current. Nov 8, 1: All uc3846n and use of the content on this site are subject to uc3846n Ud3846n of Use of the site; third parties using this content agree to abide by any limitations or guidelines uc3846n ux3846n comply with the Terms of Use of this site.

Go to Power Management. HI Uc3846n Lough, Thanks for your reply.

This thread has been locked. Ask a new question Ask uc3846n new question Uc3846n. You can calculate the dead time from equation 2 on page 12 of the datasheet: I an confusing how to resolve it?

The product does not contain any of uc3846n restricted substances in concentrations and applications banned by the Directive, and for components, the product is capable of being worked on at the higher temperatures required by lead—free soldering The restricted substances uc3846n maximum allowed uc3846n in the homogenous material are, by weight: Use of the information on this site may require a license from a third uc3846n, or a license from TI.

The Uc3846n offline Pulse Width Modulation PWM controller contains all the features to implement highly efficient offline single-ended flyback uc3846n forward power converters using current-mode control. Page 11 of this slide deck might be useful to you: