LMR14030-Q1

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LMR14030-Q1 SNVSAG3A – NOVEMBER 2015 – REVISED JULY 2016 LMR14030-Q1 SIMPLE SWITCHER® 40 V, 3.5 A Step-Down Converter with 40 µA IQ 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 H1C - Device CDM ESD Classification Level C4A 4 V to 40 V Input Range 3.5 A Continuous Output Current Ultra-low 40 µA Operating Quiescent Current 90 mΩ High-Side MOSFET Minimum Switch-On Time: 75 ns Current Mode Control Adjustable Switching Frequency from 200 kHz to 2.5 MHz Frequency Synchronization to External Clock Spread Spectrum Option for Reduced EMI Internal Compensation for Ease of Use High Duty Cycle Operation Supported Precision Enable Input 1 µA Shutdown Current External Soft-start Thermal, Overvoltage and Short Protection 8-Pin HSOIC with PowerPAD™ Package 2 Applications Automotive Battery Regulation Industrial Power Supplies Telecom and Datacom Systems General Purpose Wide Vin Regulation space VIN up to 40 V Simplified Schematic CIN RT CSS VIN EN BOOT RT/SYNC SW SS FB GND CBOOT L D RFBT RFBB VOUT COUT 3 Description The LMR14030-Q1 is a 40 V, 3.5 A step down regulator with an integrated high-side MOSFET. With a wide input range from 4 V to 40 V, it’s suitable for various appl...