RTQ2949A-QA Datasheet Asynchronous Step-Down Converter

Manufacturer: Richtek

Overview: ® RTQ2949A-QA 42VIN, 3A, Asynchronous Step-Down Converter with Low Quiescent Current.

RTQ2949A-QA asynchronous step-down converter by Richtek - Datasheet Preview

Datasheet Details

Part number	RTQ2949A-QA
Manufacturer	Richtek
File Size	610.31 KB
Description	Asynchronous Step-Down Converter
Download	RTQ2949A-QA Download (PDF)

General Description

The RTQ2949A 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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