XRP6658 Datasheet (Exar Corporation) - 1A 1.5MHz PFM/PWM Synchronous Step-Down Converter

XRP6658, 1A 1.5MHz PFM/PWM Synchronous Step-Down Converter

The XRP6658 is a synchronous current mode PWM step down (buck) converter capable of delivering up to 1 Amp of current and optimized for portable battery-operated applications.

Based on a current mode 1.5MHz constant frequency PWM control scheme, the XRP6658 reduces the overall component count and so

XRP6658 Features

* Guaranteed 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

* Achieves 97% Efficiency

* Adjustable Output Voltage Range

* As Lo