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RTQ2949-QA Datasheet Asynchronous Step-down Converter

Manufacturer: Richtek

Overview: ® RTQ2949-QA 42VIN, 3A, Asynchronous Step-Down Converter with Low Quiescent Current.

Datasheet Details

Part number RTQ2949-QA
Manufacturer Richtek
File Size 632.77 KB
Description Asynchronous Step-Down Converter
Datasheet RTQ2949-QA-Richtek.pdf

General Description

The RTQ2949 is a 3A, high-efficiency, peak current mode control asynchronous step-down converter.

The device operates with input voltages from 4V to 42V which is optimized for automotive applications.

The device can program the output voltage between 0.8V to VIN and is protected from load dump transients up to 65V which eases input surge protection design.

Key Features

  • AEC-Q100 Grade 1 Qualified.
  • FMEA Compliant Pinout.
  • Wide Input Voltage Range  4.5V to 42V  4V to 42V (Soft-start is finished).
  • Wide Output Voltage Range : 0.8V to VIN.
  • 0.8V ±1.5% Reference Accuracy.
  • Peak Current Mode Control.
  • Integrated 150mΩ High-Side MOSFET.
  • Low Quiescent Current : 90μA.
  • Low Shutdown Current : 1.3μA.
  • Adjustable Switching : 100kHz to 2.5MHz.
  • Synchronizable Switching : 300kHz to 2.2MHz.
  • Power Saving Mode (PSM) at Ligh.

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RTQ2949-QA Distributor