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RT6246B - Synchronous Step-Down Converter

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Datasheet Details

Part number RT6246B
Manufacturer Richtek
File Size 276.41 KB
Description Synchronous Step-Down Converter
Datasheet download datasheet RT6246B Datasheet

General Description

The RT6246B is a simple, easy-to-use, 6A synchronous step-down DC-DC converter with an input supply voltage range of 4.5V to 18V.

The device build-in an accurate 0.6V reference voltage and integrates low RDS(ON) power MOSFETs to achieve high efficiency in a UQFN-12HL 3x3 package.

The RT6246B adopts Advanced Constant OnTime (ACOT®) control architecture to provide an ultrafast transient response with few external components and to operate in nearly constant switching frequency over the line, load, and output voltage range.

Overview

® RT6246B 18V, 6A, 500kHz ACOT® Synchronous Step-Down Converter.

Key Features

  • cycle-by-cycle current limit protection and prevent the device from the catastrophic damage in output short circuit, over current or inductor saturation. A built-in soft-start function prevents inrush current during start-up. The device also includes input under-voltage lockout, output undervoltage protection, over-voltage protection, and overtemperature protection (thermal shutdown) to provide safe and smooth operation in all operating conditions. The RT6246B is offered in a UQFN-12HL 3x3 (FC).

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