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RT8284N - 340kHz Synchronous Step-Down Converter

General Description

The RT8284N is a high efficiency, monolithic synchronous step down DC-DC converter that can deliver up to 2A output current from a 4.5V to 23V input supply.

Key Features

  • ±1.5% High Accuracy Feedback Voltage.
  • Input Voltage Range : 4.5V to 23V.
  • 2A Output Current.
  • Integrated N-MOSFETs.
  • Current Mode Control.
  • 340kHz Fixed Frequency Operation.
  • Output Adjustable Voltage Range : 0.923V to 20V.
  • Efficiency Up to 95%.
  • Programmable Soft-Start.
  • Stable with Low ESR Ceramic Output Capacitors.
  • Cycle-by-Cycle Over Current Protection.
  • Input Under Voltage Lockout.
  • Output Under Voltage Protection.
  • Thermal Shutdo.

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Datasheet Details

Part number RT8284N
Manufacturer Richtek
File Size 192.70 KB
Description 340kHz Synchronous Step-Down Converter
Datasheet download datasheet RT8284N Datasheet

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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® RT8284N 2A, 23V, 340kHz Synchronous Step-Down Converter General Description The RT8284N is a high efficiency, monolithic synchronous step down DC-DC converter that can deliver up to 2A output current from a 4.5V to 23V input supply. The RT8284N's current mode architecture and external compensation allow the transient response to be optimized over a wide range of loads and output capacitors. Cycle-by-cycle current limit provides protection against shorted outputs and soft-start eliminates input current surge during start up. The RT8284N also provides under voltage protection and thermal shutdown protection. The low current (< 3μA) shutdown mode provides output disconnection, enabling easy power management in battery-powered systems.