Output circuit for adjusting output voltage slew rate
USRE41926E1 · kind E1 · reissue
Assignee
Inventor
Key dates
| Filing date | Sep 9, 2005 |
| Grant date | Nov 16, 2010 |
| Priority date | — |
| Expiry date | Sep 9, 2025 |
Classification
- Technology area (CPC —)General
Abstract
The present invention discloses an output circuit that is able to adjust the output voltage slew rate and avoid short-circuit current, comprising: a control circuit for receiving an input data and generating a first set of control signals based on the input data; an output control device consisting of a first field effect transistor (FET) connected in series with a second field effect transistor (FET) and the point of connection is the output end for generating an output signal; a first capacitor having one end connected to a first working voltage and generates a first control voltage by charging/discharging on another end to control the gate of the first field effect transistor; a first switch for controlling charging/discharging of the first capacitor device based on the first set of control signals; a first current source for providing charging current for the first capacitor device; a second capacitor having one end connected to a second working voltage and generates a second control voltage by charging/discharging on another end to control the gate of the second field effect transistor; a second switch for controlling charging/discharging of the second capacitor device based o…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.