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TPS54821RHLT +BOM

Converts 4.5V to 17V

TPS54821RHLT General Description

Safety is a top priority with the TPS54821RHLT, as it includes cycle by cycle current limiting on the high-side FET to protect against overload situations. This is complemented by a low-side sourcing current limit to prevent current runaway, as well as a low-side sinking current limit to avoid excessive reverse current. In the event of prolonged overcurrent conditions, hiccup protection is activated, ensuring the device's longevity and reliability

Key Features

  • TPS54821RHLT is a synchronous step-down DC/DC converter
  • It has an input voltage range of 4.5V to 17V
  • Output voltage is adjustable between 0.544V to 6V
  • It can provide up to 8A of continuous output current
  • Features include soft-start, enable, power good, and overcurrent protection
  • Available in a compact 5mm x 5mm QFN package
  • Application

    • Industrial automation
    • Server systems
    • Storage solutions

    Specifications

    Vin (min) (V) 4.5 Vin (max) (V) 17
    Vout (min) (V) 0.6 Vout (max) (V) 15
    Iout (max) (A) 8 Iq (typ) (mA) 0.6
    Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 1600
    Features Enable, Forced PWM, Frequency synchronization, Power good, Pre-Bias Start-Up, Soft Start Adjustable, Synchronous Rectification, Tracking Operating temperature range (°C) -40 to 125
    Rating Catalog Regulated outputs (#) 1
    Control mode current mode Duty cycle (max) (%) 100
    Type Converter

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