LM5140-Q1

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM5140-Q1 SNVSA02A – JANUARY 2016 – REVISED DECEMBER 2016 LM5140-Q1 Wide Input Range Dual Synchronous Buck Controller 1 Features 1 Qualified for Automotive Applications AEC-Q100 Test Guidance With the Following – Device Temperature Grade 1: –40ºC to +125ºC Ambient Operating Temperature – Device HBM ESD Classification Level 2 – Device CDM ESD Classification Level C4B Input Operating Range from 3.8 V to 65 V (70 V Absolute Maximum) Two Interleaved Buck Controllers With: – VOUT1 Fixed 3.3 V, 5 V, or Adjustable from 1.5 V – 15 V, Accuracy ±1% – VOUT2 Fixed 5 V, 8 V, or Adjustable from 1.5 V – 15 V, Accuracy ±1% Fixed 2.2-MHz or 440-kHz Switching Frequency, Accuracy ±7% Optional Synchronization to an External Clock SYNC Output Clock for Additional Converters Shutdown Mode Current: 9 µA Typical No Load Standby Current: 35 µA Typical (One Channel Operating) Current Limit Threshold Programmable to 50 mV or 75 mV, Accuracy ±10% Independent Enable Inputs for VOUT1 and VOUT2 Hiccup Mode Protection for Sustained Overload Independent Power Good Outputs High-Side and Low-Side Gate Drivers With Adjustable Slew Rate Control Selectable Diode Emulation or Continuous Conduction at Light Load 40-Pin VQFN Package With Wettable Flanks 2 Applications Automotive Electronics Infotainment Systems Instrument Clusters Advanced Driver Assistance (ADAS) 3 Description The LM51...