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XRP6668 Datasheet 1a/1a Dual Channel 1.5mhz Sync. Step Down Converter

Manufacturer: Exar (now MaxLinear)

Overview: January 2011 XRP6668 1A/1A Dual Channel 1.5MHz Sync. Step Down Converter Rev. 1.2.

General Description

The XRP6668 is a dual channel synchronous current mode PWM step down (buck) converter capable of delivering up to 1 Amp of current per channel and optimized for portable battery-operated applications.

Based on a current mode 1.5MHz constant frequency PWM control scheme, the XRP6668 reduces the overall ponent count and solution footprint as well as provides a low output voltage ripple and excellent line and load regulation.

It also implements a PFM mode to improve light load efficiency as well as a 100% duty cycle LDO mode.

Key Features

  • Dual Channel Step Down Converter.
  • Guaranteed 1A/1A Output Current.
  • Input Voltage: 2.5V to 5.5V.
  • 1.5MHz PWM Current Mode Control.
  • PFM Mode Operations at Light Load.
  • 100% Duty Cycle LDO Mode Operations.
  • Adjustable Output Voltage Range.
  • As Low as 0.6V with ±3% Accuracy.
  • Internal Compensation Network.
  • 30µA Quiescent Current.
  • Over Temperature & UVLO Protections.
  • RoHS Compliant “Green”/Halogen.

More Datasheets from Exar (now MaxLinear)

Part Number Description
XRP6657 1.5A 1.3MHz Synchronous Step Down Converter
XRP6658 1A 1.5MHz PFM/PWM Synchronous Step-Down Converter
XRP6840 4.3A Supercapacitor Flash LED Driver
XRP7603 0.5A 29V Non-Synchronous Buck High Power LED Driver
XRP7604 1A 29V Non-Synchronous Buck High Power LED Driver
XRP7620 4-Channel Adjustable Current I2C Controlled LED Driver
XRP7657 25V Non Synchronous PWM Step Down Regulator

XRP6668 Distributor