RTQ2105-QA Datasheet High Efficiency Synchronous Step-down Converter

Manufacturer: Richtek

Overview: ® RTQ2105-QA 36VIN, 3A, High Efficiency Synchronous Step-Down Converter with Low Quiescent Current.

Datasheet Details

Part number	RTQ2105-QA
Manufacturer	Richtek
File Size	832.22 KB
Description	High Efficiency Synchronous Step-Down Converter
Datasheet	RTQ2105-QA-Richtek.pdf

The RTQ2105 is a 3A, high-efficiency, current mode synchronous step-down converter which is optimized for automotive applications.

The device operates with input voltages from 3V to 36V and is protected from load dump transients up to 42V, eases input surge protection design.

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

AEC-Q100 Grade 1 Qualified.
Wide Input Voltage Range  4V to 36V (steady-state operation after VOUT settle)  3V to 36V (Soft-start is finished).
Maximum Output Current : 3A.
Peak Current Mode Control.
Integrated 70mΩ Switch and 70mΩ Synchronous Rectifier.
Low Quiescent Current : 40μA.
Fast 60ns Minimum Switch On-Time.
Ultra-Short 65ns Minimum Switch Off-Time.
Adjustable and Synchronizable Switching : 300kHz to 2.2MHz.
Selectable PSM/FPWM at Lig.

Part Number	Description
RTQ2102A	Synchronous Step-Down Converter
RTQ2102A-QA	ACOT Synchronous Step-Down Converter
RTQ2102B-QA	Synchronous Step-Down Converter
RTQ2103A-QA	ACOT Synchronous Step-Down Converter
RTQ2104-QA	Synchronous Step-Down Converter
RTQ2106-QA	Synchronous Step-Down Converter
RTQ2116A-QA	Charging Port Controller and Integrated 36V 3A Synchronous Buck Converter
RTQ2116C-QA	USB Type-C DFP
RTQ2117A-QA	Charging Port Controller and Integrated 36V 3A Synchronous Buck Converter
RTQ2118A-QA	Charging Port Controller and Integrated 36V 3A Synchronous Buck Converter