LM3687 Datasheet - Texas Instruments

LM3687 Step-Down DC-DC Converter

The LM3687 is a step-down DC-DC converter with an integrated low dropout Linear Regulator optimized for powering ultra-low voltage circuits from a single Li-Ion cell or 3 cell NiMH/NiCd batteries. It provides a dual output with fixed output voltages and combined load current up to 750mA in post regu.

LM3687 Features

* 1 2DC-DC Converter:

* 750mA Maximum Load Capability

* 1.8MHz PWM Fixed Switching Frequency (Typ.)

* Automatic PFM/PWM Mode Switching

* 27µA typ. Quiescent Current

* Internal Synchronous Rectification for High Efficiency

* Internal Soft Start Dual Rail

LM3687-etcTI.pdf