Now showing items 21-40 of 45

    • Fully-integrated CMOS LDO regulator based on an embedded current-mode capacitor multiplier 

      Saberkari, Alireza; Martínez García, Herminio; Fathipour, Rasoul; Alarcón Cot, Eduardo José (2015-04-01)
      Article
      Restricted access - publisher's policy
      This article presents a fully-integrated CMOS output-capacitorless low-dropout voltage regulator (LDO). A capacitor multiplier based on a current-mode amplifier is embedded into the error amplifier of the aforementioned ...
    • Fully-integrated CMOS LDO regulator based on an embedded current–mode capacitor multiplier 

      Saberkari, Alireza; Martínez García, Herminio; Fathipour, Rasoul; Alarcón Cot, Eduardo José (2015-04)
      Article
      Open Access
    • Integrated power management system based on efficient LDO-assisted DC/DC buck converter 

      Shirmohammadli, V.; Saberkari, Alireza; Martínez García, Herminio; Alarcón Cot, Eduardo José (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Conference report
      Restricted access - publisher's policy
      In this paper, a new structure based on linear-assisted DC-DC buck converter principle is proposed. Using a new class-AB LDO regulator instead of the conventional linear one (based on a push-pull output stage) in the hybrid ...
    • LDO-assisted vs. linear-assisted DC/DC converters: a comprehensive study and comparison 

      Shirmohammadli, V.; Saberkari, Alireza; Martínez García, Herminio; Alarcón Cot, Eduardo José (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Conference report
      Restricted access - publisher's policy
      This paper deals with a comprehensive study and comparison on the conventional linear-assisted converter and a new structure named, LDO-assisted converter based on a new class-AB LDO regulator instead of the conventional ...
    • LDO–assisted vs. linear–assisted DC/DC converters: a comprehensive study and comparison 

      Shirmohammadli, V.; Saberkari, Alireza; Martínez García, Herminio; Alarcón Cot, Eduardo José (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Conference report
      Restricted access - publisher's policy
      This paper deals with a comprehensive study and comparison on the conventional linear-assisted converter and a new structure named, LDO-assisted converter based on a new class-AB LDO regulator instead of the conventional ...
    • Linear-assisted DC/DC regulator-based current source for LED drivers 

      Martínez García, Herminio; Saberkari, Alireza (Institution of Electrical Engineers, 2016-03-17)
      Article
      Open Access
      © The Institution of Engineering and Technology 2016. A proposal of current source based on a linear-assisted DC/DC converter is presented, in which a linear voltage regulator assists a switching DC/DC converter in order ...
    • Linear–assisted DC/DC regulator–based current source for LED drivers 

      Martínez García, Herminio; Saberkari, Alireza (Institution of Electrical Engineers, 2016-03-17)
      Article
      Open Access
      A proposal of current source based on a linear-assisted DC/DC converter is presented, in which a linear voltage regulator assists a switching DC/DC converter in order to obtain a compact circuit with advantages of both ...
    • Low power output-capacitorless class-AB CMOS LDO regulator 

      Shirmohammadli, V.; Saberkari, Alireza; Martínez García, Herminio; Alarcón Cot, Eduardo José (2017)
      Conference lecture
      Open Access
    • Low-quiescent current class-AB CMOS LDO voltage regulator 

      Asefi, Saina; Saberkari, Alireza; Martinez-Garcia, H; Alarcón Cot, Eduardo José (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Conference report
      Restricted access - publisher's policy
      A low-quiescent current output-capacitorless class-AB CMOS low-dropout voltage regulator (LDO) capable to source/sink current to/from the load is presented, which is suitable for hybrid or linear-assisted structures utilized ...
    • Low-quiescent current output-capacitorless class-AB CMOS low-dropout regulator 

      Asefi, Saina; Saberkari, Alireza; Martínez García, Herminio; Alarcón Cot, Eduardo José (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Conference report
      Restricted access - publisher's policy
    • Low–quiescent current output–capacitorless class–AB CMOS low–dropout regulator 

      Asefi, Saina; Saberkari, Alireza; Martínez García, Herminio; Alarcón Cot, Eduardo José (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Conference report
      Restricted access - publisher's policy
      This paper presents an output-capacitorless class-AB low-dropout (LDO) regulator with load current sinking and sourcing ability. The proposed LDO consists of two complementary pass transistors, controlled using a level ...
    • Output-Capacitorless CMOS LDO Regulator Based on High Slew-Rate Current-Mode Transconductance Amplifier 

      Saberkari, Alireza; Fathipour, Rasoul; Martínez García, Herminio; Poveda López, Alberto; Alarcón Cot, Eduardo José (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Conference lecture
      Open Access
      A low quiescent current output-capacitorless CMOS LDO regulator based on a high slew-rate current-mode transconductance amplifier (CTA) as an error amplifier is presented. Load transient characteristic of the proposed LDO ...
    • Output-capacitorless segmented low-dropout voltage regulator with controlled pass transistors 

      Saberkari, Alireza; Qaraqanabadi, Farima; Shirmohammadli, V.; Martínez García, Herminio; Alarcón Cot, Eduardo José (2015-04)
      Article
      Open Access
      This article presents a low quiescent current output-capacitorless quasi-digital complementary metal-oxide-semiconductor (CMOS) low-dropout (LDO) voltage regulator with controlled pass transistors according to load demands. ...
    • Output-capacitorless segmented pass transistor LDO regulator 

      Saberkari, Alireza; Qaraqanabadi, Farima; Martínez García, Herminio; Alarcón Cot, Eduardo José (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Conference report
      Restricted access - publisher's policy
    • Output–Capacitorless CMOS LDO Regulator Based on High Slew–rate current-mode transconductance amplifier 

      Saberkari, Alireza; Fathipour, Rasoul; Martínez García, Herminio; Poveda López, Alberto; Alarcón Cot, Eduardo José (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Conference lecture
      Restricted access - publisher's policy
      A low quiescent current output-capacitorless CMOS LDO regulator based on a high slew-rate current-mode transconductance amplifier (CTA) as an error amplifier is presented. Load transient characteristic of the proposed LDO ...
    • Output–capacitorless segmented low-dropout voltage regulator with controlled pass transistors 

      Saberkari, Alireza; Qaraqanabadi, Farima; Shirmohammadli, V.; Martínez García, Herminio; Alarcón Cot, Eduardo José (2016-02)
      Article
      Open Access
    • Output–capacitorless segmented low–dropout voltage regulator with controlled pass transistors 

      Saberkari, Alireza; Qaraqanabadi, Farima; Shirmohammadli, V.; Martínez García, Herminio; Alarcón Cot, Eduardo José (2016-02)
      Article
      Open Access
      This article presents a low quiescent current output-capacitorless quasi-digital complementary metal-oxide-semiconductor (CMOS) low-dropout (LDO) voltage regulator with controlled pass transistors according to load demands. ...
    • Performance analysis of dual-frequency buck converter for integrated power management 

      Shirmohammadli, V.; Saberkari, Alireza; Alarcón Cot, Eduardo José (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Conference report
      Restricted access - publisher's policy
      The use of dual-frequency (DF) buck converter architecture consisting of a merged structure of high and low frequency buck cells is presented as a candidate topology for integrated power management to obtain favorable ...
    • Power efficient LDO-assisted DC-DC buck converter for integrated power management systems 

      Shirmohammadli, V.; Saberkari, Alireza; Martínez García, Herminio; Alarcón Cot, Eduardo José (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Conference report
      Restricted access - publisher's policy
      Buck converter; efficiency; LDO-assisted; linear-assisted; output ripple.
    • Quasi-digital low-dropout voltage regulators uses controlled pass transistors 

      Saberkari, Alireza; Martínez García, Herminio; Alarcón Cot, Eduardo José (Universidad Miguel Hernández de Elche, 2016)
      Conference report
      Open Access
      This article presents a low quiescent current output capacitorless quasi-digital CMOS LDO regulator with controlled pass transistors according to load demands. The pass transistor of the LDO is broken up to two smaller ...