LM5141-Q1

Product Folder Order Now Technical Documents Tools & Software Support & Community Reference Design LM5141-Q1 SNVSAJ6D – JULY 2016 – REVISED DECEMBER 2017 LM5141-Q1 Wide Input Range Synchronous Buck Controller 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 – Device HBM ESD Classification Level 2 – Device CDM ESD Classification Level C4B VIN: 3.8 V to 65 V (70 V Absolute Maximum) Output: Fixed 3.3 V, 5 V, or Adjustable From 1.5 V to 15 V with ±0.8% Accuracy Fixed 2.2-MHz or 440-kHz Switching Frequency with ±5% Accuracy High-Side and Low-Side Gate Drive With Slew- Rate Control Optional Frequency Shift by Varying an Analog Voltage or RT Resistor Optional Synchronization to an External Clock Optional Spread Spectrum Shutdown Mode IQ: 10 µA Typical Low Standby Mode IQ: 35 µA Typical 75-mV Current Limit Threshold with ±0.9% Accuracy External Resistor or DCR Current Sensing Output Enable Logic Input Hiccup Mode for Sustained Overload Power-Good Indication Output Selectable Diode Emulation or Forced Pulse- Width Modulation 24-pin VQFN Package With Wettable Flanks Create a Custom Design Using the LM5141-Q1 With the WEBENCH® Power Designer 2 Applications Automotive Applications Including: – Infotainment Systems – Instrumentation Clusters – Advanced Driver Assistance Systems (ADAS) 3 Description The LM5141-Q1 is a s...