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RT6206B - Synchronous Step-Down Converter

Description

The RT6206B is a synchronous step-down DC/DC converter with Advanced Constant On-Time (ACOTTM) mode control.

It achieves high power density to deliver up to 5.5A output current from a 4.5V to 18V input supply.

Features

  • ACOTTM Mode Enables Fast Transient Response.
  • 4.5V to 18V Input Voltage Range.
  • 5.5A Output Current.
  • 35mΩ Internal Low Site N-MOSFET.
  • Advanced Constant On-Time Control.
  • Support All Ceramic Capacitors.
  • Up to 95% Efficiency.
  • Discontinuous Operating Mode at Light Load.
  • Adjustable Output Voltage from 0.765V to 8V.
  • Adjustable Soft-Start.
  • Cycle-by-Cycle Current Limit.
  • Input Under-Voltage Lockout.
  • Thermal Shutdown.
  • RoHS Compliant and.

📥 Download Datasheet

Datasheet Details

Part number RT6206B
Manufacturer Richtek
File Size 253.95 KB
Description Synchronous Step-Down Converter
Datasheet download datasheet RT6206B Datasheet

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Full PDF Text Transcription

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® RT6206B 5.5A, 18V, 650kHz, ACOTTM Synchronous Step-Down Converter General Description The RT6206B is a synchronous step-down DC/DC converter with Advanced Constant On-Time (ACOTTM) mode control. It achieves high power density to deliver up to 5.5A output current from a 4.5V to 18V input supply. The proprietary ACOTTM mode offers an optimal transient response over a wide range of loads and all kinds of ceramic capacitors, which allows the device to adopt very low ESR output capacitor for ensuring performance stabilization. In addition, RT6206B keeps an excellent constant switching frequency under line and load variation and the integrated synchronous power switches with the ACOTTM mode operation provides high efficiency in whole output current load range.
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