Switch power controller and valley bottom switching method thereof
A switching power supply and controller technology, applied in the direction of control/regulation systems, instruments, electrical components, etc., can solve the problems of hindering Pon reduction, energy loss, high switching frequency, etc., and achieve the effect of alleviating electromagnetic interference and improving efficiency
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment Construction
[0058] Figure 7 The switching power supply system of the present invention is illustrated, Figure 8 example Figure 7 working timing. refer to Figure 7 As shown, the switching power supply system includes an EMI filter 360 , an input rectifier 380 , a power converter 300 , a switching power supply control chip 320 and a feedback network 310 . The EMI filter 360 , the input rectifier 380 and the power converter 300 can use conventional structures, which will not be repeated here.
[0059] and figure 2 Compared with the switching power supply control chip 220 in the present embodiment, a valley predictor 326 and a valley clock generator 328 are added inside the switching power supply control chip 320 . The switching power supply control chip 320 additionally provides a pin RVM for the valley predictor 326, which is used to connect an external resistor R ext . An input terminal of the valley predictor 326 is connected to the feedback signal processor 325 , and an outpu...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com