LM3670 Datasheet | Texas Instruments

Product Folder Sample & Buy Technical Documents Tools & Software Support & munity SNVS250F - NOVEMBER 2004 - REVISED FEBRUARY 2016 LM3670 Miniature Step-Down DC-DC Converter for Ultralow Voltage Circuits 1 Features - 1 Input Voltage Range: 2.5 V to 5.5 V - Adjustable Output Voltages (VOUT): 0.7 V to 2.5 V - Fixed Output Voltages: 1.2 V, 1.5 V, 1.6 V, 1.8 V, 1.875 V, 3.3V - 15-µA Typical Quiescent Current - 350-m A Maximum Load Capability - 1-MHz PWM Fixed Switching Frequency (Typical) - Automatic PFM and PWM Mode Switching - Low Dropout Operation - 100% Duty Cycle Mode - Internal Synchronous Rectification for High Efficiency - Internal Soft Start - 0.1-µA Typical Shutdown Current - Current Overload Protection - Operates from a Single Li-Ion Cell or Three-Cell Ni MH/Ni Cd Batteries - Only Three Tiny Surface-Mount External ponents Required (One Inductor, Two Ceramic Capacitors) 2 Applications - Mobile Phones and Handheld...