LM2734Z

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM2734Z, LM2734Z-Q1 SNVS334F – JANUARY 2005 – REVISED JANUARY 2016 LM2734Z/-Q1 Thin SOT 1-A Load Step-Down DC-DC Regulator 1 Features 1 Qualified for Automotive Applications AEC-Q100 Qualified With the Following Results: – Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range – Device HBM ESD Classification Level 2 – Device CDM ESD Classification Level C6 6-pin SOT Package, or 6-Pin WSON Package 3.0-V to 20-V Input Voltage Range 0.8-V to 18-V Output Voltage Range 1-A Output Current 3-MHz Switching Frequency 300-mΩ NMOS Switch 30-nA Shutdown Current 0.8-V, 2% Internal Voltage Reference Internal Soft-Start Current-Mode, PWM Operation Thermal Shutdown 2 Applications DSL Modems Local Point of Load Regulation Battery-Powered Devices USB-Powered Devices Automotive Typical Application Circuit 3 Description The LM2734Z regulator is a monolithic, highfrequency, PWM step-down DC–DC converter assembled in a thick 6-pin SOT and a WSON nonpullback package. The device provides all the active functions to provide local DC–DC conversion with fast transient response and accurate regulation in the smallest possible PCB area. With a minimum of external components and online design support through WEBENCH™, the LM2734Z is easy to use. The ability to drive 1-A loads with an internal 300-mΩ NMOS switch using state-of-the-art 0.5-µm BiCMOS technolog...