TPS57040-Q1

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design TPS57040-Q1 SLVSAP4D – DECEMBER 2010 – REVISED DECEMBER 2014 TPS57040-Q1 0.5-A 42-V Step-Down DC-DC Converter With Eco-mode™ 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 C4B 3.5-V to 42-V Input Voltage Range 200-mΩ High-Side MOSFET High Efficiency at Light Loads with a Pulse Skipping Eco-mode™ Control Scheme 116-μA Operating Quiescent Current 1.5-μA Shutdown Current 100-kHz to 2.5-MHz Switching Frequency Synchronizes to External Clock Adjustable Slow Start/Sequencing Undervoltage and Overvoltage Power-good Output Adjustable Undervoltage Lockout Voltage and Hysteresis 0.8-V Internal Voltage Reference Supported by SwitcherPro™ Software Tool (http://focus.ti.com/docs/toolsw/folders/print/switch erpro.html) 2 Applications 12-V Automotive Power Systems Automotive Body Electronics Passive Safety: Brake System & Airbags 12-V and 24-V Industrial Low Power Systems Aftermarket Auto Accessories: Video, GPS, Entertainment 3 Description The TPS57040-Q1 device is a 42-V 0.5-A step-down regulator with an integrated high-side MOSFET. Current mode control provides simple external compensation and flexible component selection. A low-ripple pu...