LM5010A

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM5010A, LM5010A-Q1 SNVS376F – OCTOBER 2005 – REVISED MAY 2016 LM5010A, LM5010A-Q1 High-Voltage 1-A Step-Down Switching Regulator 1 Features 1 LM5010A-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 75-V Input Voltage Range Valley Current Limit at 1.25 A Programmable Switching Frequency Up To 1 MHz Integrated 80-V 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 Exposed Thermal Pad for Improved Heat Dissipation 2 Applications Non-Isolated Telecommunications Regulators Secondary Side Post Regulators Automotive Electronics 3 Description The LM5010Ax step-down switching regulator is an enhanced version of the LM5010 with the input operating range extended to 6-V minimum. The LM5010Ax 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-volta...