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RTQ2104-QA - Synchronous Step-Down Converter

Description

The RTQ2104 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.

Features

  • AEC-Q100 Grade 1 Qualified.
  • Wide Input Voltage Range  4V to 36V  3V to 36V (Soft-start is finished).
  • Wide Output Voltage Range : 0.8V to VIN.
  • Maximum Output Current : 3A.
  • Peak Current Mode Control.
  • Integrated 80mΩ Switch and 80mΩ Synchronous Rectifier.
  • Low Quiescent Current : 40μA.
  • Fast 60ns Minimum Switch On-Time.
  • Ultra-Short 65ns Minimum Switch Off-Time.
  • Fixed Switching Frequency : 2.1MHz.
  • PSM/FPWM at Light Load by Part Number Option.

📥 Download Datasheet

Datasheet Details

Part number RTQ2104-QA
Manufacturer Richtek
File Size 515.73 KB
Description Synchronous Step-Down Converter
Datasheet download datasheet RTQ2104-QA Datasheet

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Full PDF Text Transcription

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® RTQ2104-QA 36VIN, 3A, High Efficiency, 2.1MHz, Synchronous StepDown Converter with Low Quiescent Current General Description The RTQ2104 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. The low quiescent current design with the integrated low RDS(ON) power MOSFETs achieves high efficiency over the wide load range. The peak current mode control with simple internal compensation allows the use of small inductors and results in fast transient response and good loop stability.
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