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스마트 사물인터넷 기기용 저리플 방식의 스텝다운 컨버터 분석
김다솔 ( Da-sol Kim ),알라딘 ( Alaaddin Al-shidaifat ),구진선 ( Jin-seon Gu ),쿠마르 ( Sandeep Kumar ),송한정 ( Han-jung Song ) 한국산업융합학회 2021 한국산업융합학회 논문집 Vol.24 No.5
Wearable devices and IoT are being utilized in various fields, where all systems are developing in the direction of multi-functionality, low power consumption, and high speed. In this paper, we propose a DC -DC Step-down C onverter for IoT smart devices. The proposed DC -DC Step-down converter is composed of a control block of the power supply stage. It also consists of an overheat protection circuit, under-voltage protection circuit, an overvoltage protection circuit, a soft start circuit, a reference voltage circuit, a lamp generator, an error amplifier, and a hysteresis comparator. The proposed DC-DC converter was designed and fabricated using a Magnachip / Hynix 180nm CMOS process, 1-poly 6-metal, the measured results showed a good match with the simulation results.