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XRP6670 - 3A 300kHz-2.5MHz Synchronous Step Down Regulator

Description

The XRP6670 is a synchronous current mode PWM step-down (buck) regulator capable of delivering up to 3 Amps.

A 2.6V to 5.5V input voltage range allows for single supply operation from industry standard 3.3V and 5V power rails.

Features

  • Guaranteed 3A Output Current.
  • Input Voltage: 2.6V to 5.5V.
  • Prog. PWM Current Mode Control.
  • Programmable 300kHz to 2.5MHz.
  • 100% Duty Cycle LDO Mode Operation.
  • Achieves 95% Efficiency.
  • Adjustable Output Voltage Range.
  • 0.8V to 5V with ±2% Accuracy.
  • Enable and Power Good Functions.
  • 460µA Quiescent Current.
  • Over-temperature, Over-current, Short-circuit and UVLO Protections.
  • RoHS Compliant “Gre.

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Datasheet preview – XRP6670

Datasheet Details

Part number XRP6670
Manufacturer Exar
File Size 3.03 MB
Description 3A 300kHz-2.5MHz Synchronous Step Down Regulator
Datasheet download datasheet XRP6670 Datasheet
Additional preview pages of the XRP6670 datasheet.

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Full PDF Text Transcription

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XRP6670 3A 300kHz-2.5MHz Synchronous Step Down Regulator June 2013 GENERAL DESCRIPTION The XRP6670 is a synchronous current mode PWM step-down (buck) regulator capable of delivering up to 3 Amps. A 2.6V to 5.5V input voltage range allows for single supply operation from industry standard 3.3V and 5V power rails. Based on a current mode PWM control scheme, the XRP6670 operating frequency is programmable between 300kHz and 2.5MHz via an external resistor. This flexibility allows the XRP6670 to optimize component selection and reduce component count and solution footprint. It provides a low output voltage ripple, excellent line and load regulation and has a 100% duty cycle LDO mode. Output voltage is adjustable to as low as 0.
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