LM25141-Q1

Product Folder Order Now Technical Documents Tools & Software Support & Community Reference Design LM25141-Q1 SNVSAP9A – MARCH 2017 – REVISED FEBRUARY 2018 LM25141-Q1 2.2-MHz, 42-V Synchronous Buck Controller With Low IQ 1 Features 2 Applications 1 AEC-Q100 Qualified for Automotive Applications: – 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 42 V (47 V Absolute Maximum) Output: Fixed 3.3 V, 5 V, or Adjustable From 1.5 V to 15 V With ±0.8% Accuracy Optional Frequency Shift by Varying an Analog Voltage or RT Resistor Meets CISPR 25 / EN 55025 EMI Standards – Fixed 2.2-MHz or 440-kHz Switching Frequency With ±5% Accuracy – High-Side and Low-Side Gate Drive With Slew Rate Control – Optional Spread Spectrum Optional Synchronization to an External Clock 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 PWM VQFN-24 Package With Wettable Flanks Create a Custom Design Using the LM25141-Q1 With the WEBENCH® Power Designer Automotive Applications Including: – Infotainment Systems – Instrumentation Clusters – Advanced Driver Assistance Systems (ADAS) 3 Description The LM25141-Q1 is a synchro...