A8660

A8660 Wide Input Voltage, Adjustable Output, Synchronous Buck Controller with PWM Frequency Dithering, Synchronization, and NPOR FEATURES AND BENEFITS Automotive AEC-Q100 qualified Wide operating voltage range: 3.0 to 45 V Adjustable output voltage PWM frequency dithering reduces EMI/EMC signature and minimizes input filtering Programmable base frequency (fOSC): 200 kHz to 2.2 MHz For low frequency, high current designs (<520 kHz), applying a clock to SYNCIN will synchronize the PWM frequency to avoid AM band harmonic interference Soft recovery from dropout avoids overshoot of VOUT External compensation provides flexibility to tune the system for maximum stability or optimum transient response Adjustable soft-start time controls inrush current to accommodate a wide range of output capacitances Pre-bias startup allows quick, monotonic restart and avoids reset High-voltage ENBAT input for ignition/key control Logic enable (EN) input for microcontroller or DSP control NPOR open-drain output with adjustable rising delay Overvoltage, pulse-by-pulse current limit, hiccup mode short circuit, and thermal protections Robust FMEA: pin open/short and component faults APPLICATIONS Infotainment Navigation systems Instrument clusters Audio systems ADAS applications Battery-powered systems Industrial systems Network and telecom Home audio HVAC systems DESCRIPTION Designed to satisfy the power supply requirements of automotive, industria...