Texas Instruments LM5164/LM5164-Q1 Synchronous Buck DC/DC Converters are designed to regulate over a wide input voltage range that minimizes the need for external surge suppression components. These converters with integrated high-side and low-side power MOSFETs deliver up to 1A of output current. A Constant-On-Time (COT) control architecture provides nearly constant switching frequency with an excellent load- and line-transient response. The LM5164 converters feature ultra-low IQ and diode emulation mode operation for high light-load efficiency and thermal shutdown protection with automatic recovery. The LM5164-Q1 devices are AEC-Q100 qualified for automotive applications.