LM25122-Q1

Product Folder Order Now Technical Documents Tools & Software Support & Community Reference Design LM25122-Q1 SNVSAF0B – DECEMBER 2015 – REVISED MAY 2016 LM25122-Q1 Wide-Input Synchronous Boost Controller With Multiple Phase Capability 1 Features 1 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 Maximum Input Voltage : 42 V Min Input Voltage : 3 V (4.5 V for startup) Output Voltage up to 50 V Bypass (VOUT = VIN) Operation 1.2 V Reference with ±1.0% Accuracy Free-Run and Synchronizable Switching to 600 kHz Peak Current Mode Control Robust 3 A Integrated Gate Drivers Adaptive Dead-Time Control Optional Diode Emulation Mode Programmable Cycle-by-Cycle Current Limit Hiccup Mode Overload Protection Programmable Line UVLO Programmable Soft-Start Thermal Shutdown Protection Low Shutdown Quiescent Current: 9 μA Programmable Slope Compensation Programmable Skip Cycle Mode Reduces Standby Power Allows External VCC Supply Inductor DCR Current Sensing Capability Multiphase Capability Thermally Enhanced 20-Pin HTSSOP 2 Applications 12-V, 24-V, and 48-V Power Systems Automotive Start-Stop Audio Power Supply High Current Boost Power Supply 3 Description The LM25122 is a multiphase capable synchronous boost controller intended for high-efficiency synchronous boost regulat...