LM46000-Q1

Product Folder Order Now Technical Documents Tools & Software Support & Community LM46000-Q1 SNVSAA1B – JULY 2015 – REVISED NOVEMBER 2017 LM46000-Q1 3.5-V to 60-V, 0.5-A Synchronous Step-Down Voltage Converter 1 Features 1 Qualified for Automotive Applications AEC-Q100 Qualified With the Following Results: – Device Temperature Grade 1: –40°C to +125°C Operating Junction Temperature 24-µA Quiescent Current in Regulation High Efficiency at Light Load (DCM and PFM) Tested to EN55022/CISPR 22 EMI Standards Integrated Synchronous Rectification Adjustable Frequency Range: 200 kHz to 2.2 MHz (500 kHz default) Frequency Synchronization to External Clock Internal Compensation Stable With Almost Any Combination of Ceramic, Polymer, Tantalum, and Aluminum Capacitors Power-Good Flag Soft Start into Pre-Biased Load Internal Soft Start: 4.1 ms Extendable Soft-Start Time by External Capacitor Output Voltage Tracking Capability Precision Enable to Program System UVLO Output Short-Circuit Protection With Hiccup Mode Overtemperature Thermal Shutdown Protection Create a Custom Design Using the LM46000-Q1 With the WEBENCH® Power Designer 2 Applications Sub-AM Band 12 V and 24 V Automotive Telecommunications Systems Commercial Vehicle Power Supplies General Purpose Wide VIN Regulation High Efficiency Point-Of-Load Regulation VIN CIN Simplified Schematic VIN SW LM46000-Q1 L CBOOT VOUT COUT ENABLE PGOOD SS/TRK RT SYNC AGND CBOOT BIAS FB V...