发明名称 |
Integrated driver and related method |
摘要 |
A driver circuit may include a first node, and a first circuit to generate on the first node an inverted replica of an input signal during driver switching between a first supply voltage and a first reference voltage, the inverted replica having a threshold voltage value based upon a second reference voltage greater than the first supply voltage. The driver circuit may include a cascode stage to be controlled by the second reference voltage and to be coupled between a second supply voltage and the first node, a delay circuit to generate a delayed replica of the input signal, an amplifier, and a switching network to couple the control terminal of the active load transistor to one of the first reference voltage and the first node based upon the input signal. |
申请公布号 |
US9223153(B2) |
申请公布日期 |
2015.12.29 |
申请号 |
US201514788724 |
申请日期 |
2015.06.30 |
申请人 |
STMICROELECTRONICS S. R. L. |
发明人 |
Zuffada Maurizio;Pozzoni Massimo;Contini Angelo |
分类号 |
G02B6/00;G02F1/01;H03F1/22;H03F3/217;H03F3/24;H03F3/30;H03F3/45;H03K19/0185;H04B10/532;H04B10/61;G02F1/03;G02F1/225;G02B6/122;G02B6/12;G02F1/21 |
主分类号 |
G02B6/00 |
代理机构 |
Allen, Dyer, Doppelt, Milbrath & Gilchrist, P.A. |
代理人 |
Allen, Dyer, Doppelt, Milbrath & Gilchrist, P.A. |
主权项 |
1. A method of generating an output signal switching between a second supply voltage and a first reference voltage, starting from an input signal switching between a first supply voltage and the first reference voltage using an amplifier, the amplifier having a first switch to be coupled to the first reference voltage and to be controlled by a delayed replica of the input signal, a second switch to be controlled by the first supply voltage and comprising a conduction terminal to define an output terminal, and an active load switch to be coupled between the output terminal and the second supply voltage and comprising a control terminal, the method comprising:
generating an inverted replica of the input signal having a threshold voltage based upon a second reference voltage greater than the first supply voltage; controlling the first switch with the delayed replica of the input signal; controlling the second switch with the first supply voltage; and coupling the control node of the active load switch to at least one of the first reference voltage and the inverted replica of the input signal based upon on a level of the input signal. |
地址 |
Agrate Brianza (MB) IT |