LM3673 Datasheet (Texas Instruments) - 350-mA Step-Down DC-DC Converter

LM3673, 350-mA Step-Down DC-DC Converter

The LM3673 step-down DC-DC converter is optimized for powering low voltage circuits from a single Li-Ion cell battery and input voltage rails from 2.7 V to 5.5 V.

It provides up to 350-mA load current over the entire input voltage range.

There are several different fixed voltage output options avail

LM3673 Features

* 1 16-µA Typical Quiescent Current

* 350-mA Maximum Load Capability

* 2-MHz PWM Fixed Switching Frequency (Typical)

* Automatic PFM/PWM Mode Switching

* Available in Fixed and Adjustable Output Voltages

* Internal Synchronous Rectification for High Eff