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RAA211651 - 60V 5A Low Quiescent Current Integrated Switching Regulator

Description

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Features

  • a very low quiescent current, typically 19µA at 24V input. The modulation scheme used allows for high efficiency at all output load levels, especially at light-load conditions. The RAA211651 is based on the COT modulator, where the on-time is determined by the input voltage level and the resistor connected to the SET pin. The switching frequency varies with the load. At light load, switching frequency drops reducing the switching losses. Also, with internal compensation, the regulator works in D.

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Datasheet Details

Part number RAA211651
Manufacturer Renesas
File Size 3.01 MB
Description 60V 5A Low Quiescent Current Integrated Switching Regulator
Datasheet download datasheet RAA211651 Datasheet
Additional preview pages of the RAA211651 datasheet.

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Full PDF Text Transcription

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RAA211651 60V 5A Low Quiescent Current Integrated Switching Regulator Datasheet The RAA211651 is an integrated 60V, 5A synchronous buck regulator with the Constant On-Time (COT) control scheme. It supports a wide range of input voltage from 4.5V to 60V and adjustable output voltage (0.8V to maximum duty cycle * VIN). It also features a very low quiescent current, typically 19µA at 24V input. The modulation scheme used allows for high efficiency at all output load levels, especially at light-load conditions. The RAA211651 is based on the COT modulator, where the on-time is determined by the input voltage level and the resistor connected to the SET pin. The switching frequency varies with the load. At light load, switching frequency drops reducing the switching losses.
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