
Application-specific buck regulator delivers compact footprint
Stephen Law
Electronics Semiconductors computing desktop and laptop EZBuck regulators semiconductor systemsALPHA & OMEGA SEMICONDUCTOR AOZ2295QI-05 Application-specific EZBuck regulators are highly integrated, delivering a compact footprint that supports 5V rails in desktop and laptop computing systems. Device is designed with a TON extension mode so the converter can still output stable 5V while the battery cell voltage drops to 5.5V. In many practical design and application environments, there is also a high possibility of having audible noise when system 5V goes to light load with less than 20kHz switching frequency. Firm’s proprietary Constant On-Time architecture provides an ultrasonic mode to guarantee operating frequency working above 30kHz to prevent audible noise in the full application range.