LMQ66430-Q1

LMQ664x0-Q1, 36-V, 1-A, 2-A, and 3-A, Ultra-Small, Synchronous Automotive Step-Down Converter with Integrated VIN Bypass and CBOOT Capacitors

1Features ?FunctionalSafety-Capable –Documentationavailabletoaidfunctionalsafety systemdesign ?AEC-Q100-qualifiedforautomotiveapplications: –Temperaturegrade1:–40°Cto+125°C,TA ?OptimizedforlowEMIrequirements: –FacilitatesCISPR25class5compliance –Integrated

LMQ66430-Q1

LMQ664x0-Q1, 36-V, 1-A, 2-A, and 3-A, Ultra-Small, Synchronous Automotive Step-Down Converter With Integrated VIN Bypass and CBOOT Capacitors

1Features ?FunctionalSafety-Capable –Documentationavailabletoaidfunctionalsafety systemdesign ?AEC-Q100-qualifiedforautomotiveapplications: –Temperaturegrade1:–40°Cto+125°C,TA ?OptimizedforlowEMIrequirements: –FacilitatesCISPR25class5compliance –Integrated

LMQ66430-Q1

Automotive 36-V, 3-A low EMI synchronous step-down converter with 1.5-μA IQ; ? AEC-Q100-qualified for automotive applications: \n? Temperature grade 1: –40°C to +125°C, TA \n \n? One of the industry’s lowest IQ: \n? Ultra-low 1.5-μA IQ (switching) at 13.5 VIN, 3.3 V fixed VOUT and IQ \n? Designed for automotive applications: \n? Junction temperature range: –40°C to +150°C\n? NC pin between critical pins for better reliability\n? Best in-class pin FMEA\n? Supports 42-V automotive load dump transients \n? Supports 3-VIN for automotive cold crank\n? Adjustable up to 95% of VIN, 3.3-V, and 5-V fixed VOUT options available\n \n? Miniature solution size and low component cost: \n? One of the industry’s smallest solution size with the highest power density and performance\n? Integrated input bypass capacitors and bootstrap capacitor reducing EMI\n? 2.6-mm × 2.6-mm enhanced QFN package with wettable flanks\n? Internal compensation\n \n? Optimized for ultra-low EMI requirements: \n? Dual random spread spectrum (DRSS) for enhanced EMI performance across low and high-frequency bands\n? Enhanced QFN package minimizes switch node ringing\n? Pin selectable FPWM mode for constant frequency at light loads and FSW synchronization with MODE/SYNC pin \n? Adjustable FSW: 200 kHz–2.2 MHz with RT pin;

LMQ66430-Q1

LMQ664x0-Q1, 36-V, 1-A, 2-A, and 3-A Ultra-Small Synchronous Automotive Step-Down Converter with Integrated VIN Bypass and CBOOT Capacitors

LMQ66430-Q1

LMQ664x0, 36-V, 1-A, 2-A, and 3-A Ultra-Small Synchronous Step-Down Converter with Integrated VIN Bypass and CBOOT Capacitors