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RT5715 - High Efficiency Synchronous Step-Down Converter

General Description

The RT5715 is a 2A, high-efficiency, Advanced ConstantOn-Time (ACOT) synchronous step-down converter.

The device operates with input voltages from 2.5V to 5.5V.

The device can program the output voltage between 0.45V to VIN.

Key Features

  • 2A Converter Integrated 100mΩ and 80mΩ FETs in WDFN-8SL 2x2 Package.
  • Input Supply Voltage Range : 2.5V to 5.5V.
  • Output Voltage Range : 0.45V to VIN.
  • Advanced Constant On-Time (ACOTTM) Control  Ultrafast Transient Response  No Needs for External Compensations  Optimized for Low-ESR Ceramic Output Capacitors.
  • High Accuracy Feedback Reference Voltage : 0.45V ± 1%.
  • Low Quiescent Current : 30μA.
  • Fixed Switching Frequency : 2.7MHz.
  • Internally Fixed Soft-S.

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Datasheet Details

Part number RT5715
Manufacturer Richtek
File Size 279.72 KB
Description High Efficiency Synchronous Step-Down Converter
Datasheet download datasheet RT5715 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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® RT5715 5.5VIN, 2A, High Efficiency Synchronous Step-Down Converter with Low Quiescent Current General Description The RT5715 is a 2A, high-efficiency, Advanced ConstantOn-Time (ACOT) synchronous step-down converter. The device operates with input voltages from 2.5V to 5.5V. The device can program the output voltage between 0.45V to VIN. The low quiescent current design with the integrated low RDS(ON) power MOSFETs achieves high efficiency over the wide load range. The advanced COT operation allows transient responses to be optimized over a wide range of loads, and output capacitors to efficiently reduce external component count. The RT5715 provides up to 2.7MHz switching frequency to minimize the size of output inductor and capacitors.