Microelectronics, Volume. 52, Issue 5, 797(2022)

A RB-COT Controlled Buck Converter Based on Switched Current Integrator

CHENG Yufan1... ZHEN Shaowei1, YANG Tao1, WU Dongming1, LIANG Jingbo1, LIU Ziyi1, LUO Ping1,2 and ZHANG Bo1 |Show fewer author(s)
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  • 1[in Chinese]
  • 2[in Chinese]
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    References(12)

    [1] [1] LIN Y C, CHEN C J, CHEN D, et al. A ripple-based constant on-time control with virtual inductor current and offset cancellation for DC power converters[J]. IEEE Trans Power Elec, 2012, 27(10): 4301-4310.

    [2] [2] REDL R, REIZIK G. Switched-noise filter for the buck converter using the output ripple as the PWM ramp [C]// Twentieth Annual IEEE Applied Power Elec Conf Exposi. Austin, TX, USA. 2005,2: 918-924.

    [3] [3] CHEN W, CHEN J, LIANG T, et al. A novel quick response of RBCOT with VIC ripple for buck converter[J]. IEEE Trans Power Elec, 2013, 28(9): 4299-4307.

    [4] [4] LI J, LEE F C. New modeling approach and equivalent circuit representation for current-mode control [J]. IEEE Trans Power Elec, 2010, 25(5): 1218-1230.

    [5] [5] YANG W H, HUANG C J, HUANG H H, et al. A constant-on-time control DC-DC buck converter with the pseudowave tracking technique for regulation accuracy and load transient enhancement[J]. IEEE Trans Power Elec, 2018, 33(7): 6187-6198.

    [6] [6] TI Incorp. Application report: accuracy-enhanced ramp-generation design for D-CAP3 modulation[EB/OL]. https://www.ti.com/lit/an/slva762a/slva762a.pdf, 2016.

    [7] [7] WEI I C, DAN C, LIN Y C, et al. The stability modeling of ripple-based constant on-time control schemes used in the converters operating in DCM[C]// ICRERA. Nagasaki, Japan. 2012: 1-8.

    [8] [8] LIN Y, CHEN C, CHEN D, et al. A novel ripple-based constant on-time control with virtual inductance and offset cancellation for DC power converters[C]// IEEE ECCE. Phoenix, AZ, USA. 2011: 1244-1250.

    [9] [9] SONG C. Accuracy analysis of constant-on current-mode DC-DC converters for powering microprocessors[J]. APEC. Washington D C, USA. 2009: 97-101.

    [10] [10] ZHEN S, ZENG P, CHEN J, et al. Transient response improvement of DC-DC converter by current mode variable on time control[C]// IEEE 61st MWSCAS. Windsor, ON, Canada. 2018: 603-606.

    [13] [13] YUAN B, LIU M X, NG W T, et al. A fast-response RBAOT-controlled buck converter with pseudofixed switching frequency and enhanced output accuracy[J]. IEEE J Emerg Selected Topics Power Elec, 2021, 9(1): 79-88.

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    CHENG Yufan, ZHEN Shaowei, YANG Tao, WU Dongming, LIANG Jingbo, LIU Ziyi, LUO Ping, ZHANG Bo. A RB-COT Controlled Buck Converter Based on Switched Current Integrator[J]. Microelectronics, 2022, 52(5): 797

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    Paper Information

    Special Issue:

    Received: Jan. 10, 2022

    Accepted: --

    Published Online: Jan. 18, 2023

    The Author Email:

    DOI:10.13911/j.cnki.1004-3365.220013

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