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RTQ2941-QA Datasheet Asynchronous Step-Down Converter

Manufacturer: Richtek

Overview: ® RTQ2941-QA 42VIN, 1.5A, Asynchronous Step-Down Converter with Low Quiescent Current.

General Description

The RTQ2941 is a 1.5A, high-efficiency, peak current mode control asynchronous step-down converter which is optimized for automotive applications.

The device operates with input voltages from 4V to 42V and is protected from load dump transients up to 45V, eases input surge protection design.

The device can program the output voltage between 0.8V to VIN.

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 160mΩ 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.