LM25010SD

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM25010, LM25010-Q1 SNVS419E – DECEMBER 2005 – REVISED MAY 2016 LM25010, LM25010-Q1 42-V, 1-A Step-Down Switching Regulator 1 Features 1 LM25010-Q1 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 Temperature Grade 0: –40°C to 150°C Ambient Operating Temperature Range – Device HBM ESD Classification Level 2 – Device CDM ESD Classification Level C5 Wide 6-V to 42-V Input Voltage Range Valley Current Limiting at 1.25 A Programmable Switching Frequency Up To 1 MHz Integrated N-Channel Buck Switch Integrated High Voltage Bias Regulator No Loop Compensation Required Ultra-Fast Transient Response Nearly Constant Operating Frequency With Line and Load Variations Adjustable Output Voltage 2.5 V, ±2% Feedback Reference Programmable Soft Start Thermal Shutdown 2 Applications Non-Isolated Telecommunications Regulators Secondary Side Post Regulators Automotive Electronics 3 Description The LM25010 features all the functions needed to implement a low-cost, efficient, buck regulator capable of supplying in excess of 1-A load current. This high voltage regulator integrates an N-Channel Buck Switch, and is available in thermally enhanced 10-pin WSON and 14-pin HTSSOP packages. The constant ON-time regulation scheme requires no loop compensation...