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Current-mode switching regulator with a maximum switching frequency of 1200kHz, capable of delivering up to 10A

TPS54020RUWR General Description

The TPS54020RUWR is a top-of-the-line synchronous buck DC/DC converter that is engineered to offer superior power conversion for low-voltage applications. With an input voltage range of 4.5V to 28V, this converter is versatile and can accommodate a wide range of power sources. It is capable of delivering an output voltage as low as 0.76V, making it suitable for a variety of electronic devices. Its fixed 600 kHz switching frequency ensures rapid transient response and allows for the use of small external components, reducing overall system size and complexity

Key Features

  • TPS54020RUWR is a 2.4V to 6V input, 500mA synchronous step-down converter with integrated low RDS(ON) high side and low side MOSFETs
  • It features a wide operating input voltage range, adjustable switching frequency, and cycle-by-cycle current limit protection
  • The device provides overvoltage and overcurrent protection, thermal shutdown, and a small 3mm x 3mm QFN package
  • Efficiency is up to 95%
  • Application

  • The TPS54020RUWR is typically used in various applications requiring a regulated voltage supply, such as industrial control systems, automotive electronics, telecommunication equipment, and consumer electronics
  • It can also be utilized in power management systems for portable devices, battery-powered applications, and general-purpose voltage regulation requirements
  • Specifications

    Vin (min) (V) 4.5 Vin (max) (V) 17
    Vout (min) (V) 0.6 Vout (max) (V) 5
    Iout (max) (A) 10 Iq (typ) (mA) 0.6
    Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 1200
    Features Adjustable current limit, Enable, Frequency synchronization, Light Load Efficiency, Phase Interleaving, Power good, Pre-Bias Start-Up, Soft Start Adjustable, Synchronous Rectification, Tracking Operating temperature range (°C) -40 to 150
    Rating Catalog Regulated outputs (#) 1
    Control mode current mode Duty cycle (max) (%) 98
    Type Converter

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