Multiplexing high-side load switch using adaptive well biasing

doi:10.1049/el.2015.4193

Multiplexing high-side load switch using adaptive well biasing

2016-06-01

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DOI：10.1049/el.2015.4193

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A high-side load switch is presented for applications that require multiplexing the supply terminal to multiple voltage sources that are different, unknown, and/or dynamic. The design incorporates p-channel switches with adaptive n-well biasing to ensure that no junction is forward biased. Measured results are presented from a circuit that has been fabricated in a standard 0.35 mu m CMOS process. The circuit is also demonstrated in an application of programming non-volatile memory.

Keyword:

amplifiers

invertors

distortion

diodes

inductors

transformers

capacitors

battery powered high efficiency single-stage switching amplifier

high-frequency link inverter

switching amplifier

output voltage distortion

freewheeling diodes

clamp capacitors

active clamp bridge

inductor current

bidirectional switches

leakage inductor energy

secondary-side transformer voltages

leakage inductor energy recycle

voltage 5 V

power 25 W

Multiplexing high-side load switch using adaptive well biasing

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