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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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In this paper we present an LDO based on an error amplifier. The designed error amplifier has a gain of 89.93dB at low frequencies. This amplifier's Bandwidth is 50.8MHz and its phase margin is 59.2˚. Also we proposed a BGR. This BGR has a low output variation with temperature and its PSRR at 1 KHz is -71.5dB. For a temperature variation from -40℃ to 125℃ we have just 9.4mV variation in 3.3V LDO output. Also it is stable for a wide range of output load currents [0-200mA] and a 1㎌ output capacitor and its line regulation and especially load regulation is very small comparing other papers. The PSRR of proposed LDO is -61.16dB at 1 KHz. Also we designed it for several output voltages by using a ladder of resistors, transmission gates and a decoder. Low power consumption is the other superiority of this LDO which is just 1.55mW in full load. The circuit was designed in 0.35㎛ CMOS process.
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참고문헌 (17)
참고문헌 신청
1. [학술지(정기간행물)] - C. Wang / 2011 / A high precision dropout regulator with nested feedback loops / Microelectronics Journal 42 : 966 ~ 971
2. [학술지(정기간행물)] - A. Saberkari / 2013 / Fast transient current-steering CMOS LDO regulator based on current feedback amplifier / Integer.VLSI J 46 : 165 ~ 171
3. [학술지(정기간행물)] - Y.M. Qureshi / 2012 / Design and Layout of Two Stage High Bandwith Operational Amplifier / World Academy of Science, Engineering and Technology 71
4. [학술지(정기간행물)] - X. Ming / 2010 / A High-Precision Compensated CMOS Bandgap Voltage Reference Without Resistors / IEEE Trans. Circuits Systs-II 57 (10)
5. [학술지(정기간행물)] - M. Andreou / 2012 / A Novel Wide-Temperature-Range, 3.9 ppm/ºC CMOS Bandgap Reference A High Current Efficiency CMOS LDO Regulator with Low Power Consumption and Small Output Voltage Variation Circuit / IEEE J. Solide-State Circuits 47 (2)
2. [학술지(정기간행물)] - A. Saberkari / 2013 / Fast transient current-steering CMOS LDO regulator based on current feedback amplifier / Integer.VLSI J 46 : 165 ~ 171
3. [학술지(정기간행물)] - Y.M. Qureshi / 2012 / Design and Layout of Two Stage High Bandwith Operational Amplifier / World Academy of Science, Engineering and Technology 71
4. [학술지(정기간행물)] - X. Ming / 2010 / A High-Precision Compensated CMOS Bandgap Voltage Reference Without Resistors / IEEE Trans. Circuits Systs-II 57 (10)
5. [학술지(정기간행물)] - M. Andreou / 2012 / A Novel Wide-Temperature-Range, 3.9 ppm/ºC CMOS Bandgap Reference A High Current Efficiency CMOS LDO Regulator with Low Power Consumption and Small Output Voltage Variation Circuit / IEEE J. Solide-State Circuits 47 (2)
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UCI(KEPA) : I410-ECN-0101-2017-056-001398019