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RT8086B - Synchronous Step-Down Converter

Description

The RT8086B is a high efficiency, synchronous step-down DC/DC converter.

The available input voltage range is from 2.8V to 5.5V and the regulated output voltage is adjustable from 0.6V to 3.3V while delivering up to 3.5A of output current.

Features

  • High Efficiency Up to 95%.
  • Low RDS(ON) Switches : 50mΩ/40mΩ.
  • 0.6V Reference Allows for Low Output Voltage.
  • Internal Compensation.
  • Input Voltage Range : 2.8V to 5.5V.
  • Adjustable Output Voltage from 0.6V to 3.3V.
  • 1.2MHz Switching Frequency.
  • Start-Up into Pre-Biased Load.
  • Built in Soft-Start.
  • Power Good Indication.
  • Cycle-by-Cycle Current Limit.
  • Input Under Voltage Lockout.
  • Output Under Voltage Protection (Hiccup).
  • Thermal Shutdo.

📥 Download Datasheet

Datasheet Details

Part number RT8086B
Manufacturer Richtek
File Size 149.21 KB
Description Synchronous Step-Down Converter
Datasheet download datasheet RT8086B Datasheet

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Full PDF Text Transcription

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® RT8086B 3.5A, 1.2MHz, Synchronous Step-Down Converter General Description The RT8086B is a high efficiency, synchronous step-down DC/DC converter. The available input voltage range is from 2.8V to 5.5V and the regulated output voltage is adjustable from 0.6V to 3.3V while delivering up to 3.5A of output current. The internal synchronous low on-resistance power switches increase efficiency and eliminate the need for an external Schottky diode. The current mode constant on-time operation with internal compensation allows the transient response to be optimized over a wide range of loads and output capacitors. TheRT8086B is available in the UQFN-12L 2x2 (FC) package.
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