Pre-regulator circuit capable of increasing band-gap reference power supply rejection ratio
A reference voltage and reference power supply technology, applied in the direction of adjusting electrical variables, control/regulation systems, instruments, etc., can solve problems such as limited improvement capabilities
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment Construction
[0011] like figure 1 Shown, a kind of pre-stabilizing circuit that improves the rejection ratio of bandgap reference power supply includes a start-up circuit, a PTAT current circuit and a bandgap reference voltage generating module, the start-up circuit is electrically connected with the PTAT current circuit, and the PTAT current circuit includes PMOS transistor M5, PMOS transistor M6, PMOS transistor M7, PMOS transistor M8, transistor Q1, transistor Q2 and resistor R1; the bandgap reference voltage generation module includes PMOS transistor M9, NMOS transistor M10, PMOS transistor M11, PMOS transistor M12, NMOS tube M13, NMOS tube M14 and NMOS tube M15; among them, transistor Q1, PMOS tube M5, PMOS tube M6, PMOS tube M7, PMOS tube M8, PMOS tube M9, PMOS tube M11, PMOS tube M12, NMOS tube M13, NMOS Tube M14 and NMOS tube M15 form a negative feedback loop, while transistor Q2, resistor R1, PMOS tube M6, PMOS tube M8, PMOS tube M9, PMOS tube M11, PMOS tube M12, NMOS tube M13, N...
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