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RT4841 - 5A Synchronous Boost Converter

Description

The RT4841 is Synchronous Boost Converter with output isolation MOS for active matrix thin film transistor (TFT) liquid crystal displays (LCDs).

Features

  • 8.6V to 15.9V Input Supply Voltage.
  • A Synchronous Boost Converter.
  • Isolation Switch Controller.
  • VIN Under Voltage Lockout.
  • Fixed 500kHz Switching Frequency.
  • Over-Temperature Protection.
  • Cycle by Cycle OCP Protection.
  • Thin 20-Lead WQFN Package.

📥 Download Datasheet

Datasheet preview – RT4841

Datasheet Details

Part number RT4841
Manufacturer Richtek
File Size 332.09 KB
Description 5A Synchronous Boost Converter
Datasheet download datasheet RT4841 Datasheet
Additional preview pages of the RT4841 datasheet.

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Full PDF Text Transcription

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® RT4841 5A Synchronous Boost Converter with Output Isolation MOS General Description The RT4841 is Synchronous Boost Converter with output isolation MOS for active matrix thin film transistor (TFT) liquid crystal displays (LCDs). The Device incorporates current mode, fixed-frequency, pulse width modulation (PWM) circuitry and fully integrated synchronous boost converter with a 80mΩ power switch and a 80mΩ rectifier switch to achieve high efficiency, small size and fast transient response in TFT-LCD applications. Moreover, Device contains one ISO MOSFET controller for power on sequence of step-up converter. The RT4841 has a wide input voltage range from 8.6V to 15.9V and device has 5A (min.) switching current capability. The RT4841 is available in a WQFN-20L 4x4 package.
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