Invention Grant
- Patent Title: Isolated bootstrapped switch
- Patent Title (中): 隔离式自举开关
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Application No.: US14157300Application Date: 2014-01-16
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Publication No.: US09172364B2Publication Date: 2015-10-27
- Inventor: Gerd Trampitsch
- Applicant: Linear Technology Corporation
- Applicant Address: US CA Milpitas
- Assignee: Linear Technology Corporation
- Current Assignee: Linear Technology Corporation
- Current Assignee Address: US CA Milpitas
- Agency: Hogan Lovells US LLP
- Agent Edward C. Kwok
- Main IPC: H03M1/12
- IPC: H03M1/12 ; H03K17/06 ; H03K17/16 ; H03K3/356

Abstract:
A bootstrapped switch circuit capable of operating at input signals from far below the negative supply rail to far beyond the positive supply rail may include (a) a switch having a first terminal coupled to an input terminal, a second terminal coupled to an output terminal, and a control terminal; (b) a charge pump coupled to one or more clock signals and isolated from a timing circuit via a first capacitor and a second capacitor, the charge pump generating an output voltage; and (c) a logic circuit coupled to one or more clock signals and isolated from the timing control circuit via a third capacitor and a fourth capacitor, wherein the logic circuit provides a control signal to the control terminal of the switch that is derived from the output voltage of the charge pump.
Public/Granted literature
- US20150109161A1 ISOLATED BOOTSTRAPPED SWITCH Public/Granted day:2015-04-23
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