Bandgap voltage reference source circuit
A reference voltage source and reference circuit technology, applied in the direction of adjusting electrical variables, control/regulation systems, instruments, etc., can solve the problems of increasing layout area, increasing reference voltage offset voltage, large area, etc., to improve product yield, The effect of reducing the occupied area and avoiding the influence of offset voltage
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment Construction
[0021] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0022] An embodiment of the present invention provides a bandgap reference voltage source circuit, including: a reference circuit and a start-up circuit, such as figure 2 As shown, the reference circuit includes: a fifth PMOS transistor PM5, a sixth PMOS transistor PM6, a first NPN transistor, a second NPN transistor, a first resistor R1, a second resistor R2, a third resistor R3 and are used to generate and Power supply and temperature independent reference voltage output Vref.
[0023] The start-up circuit is used to provide the start-up bias voltage for the reference core circuit in a degenera...
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.
© 2023 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap