RT5715GQW(2)

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RT5715GQW(2) is a DC-DC switching regulator that belongs to the family of Voltage Regulators and Power Management ICs (PMIC). It is a synchronous step-down regulator capable of delivering high efficiency at wide operating temperature range.The RT5715GQW(2) is designed to together with a PMOSFET to reduce system cost and increase power efficiency. The input voltage range can be up to 28V and the different mode including PWM mode, Burst Mode operation, PFM mode, and PWM+PFM Hybrid Mode can be set to adjust the system performance. The output voltage is adjustable from 0.7V to 5.5V and the high accuracy output voltage of ±1.5mV can be achieved. At the same time, the output current is up to 5.5A with fast transient response time.The RT5715GQW(2) employs a variety of protection function in order to guard the system integrity and maintain system stability. The over-current protection (OCP) can be adjustable with a selectable trip point while the short protection (SCP) can be triggered when the output voltage of RT5715GQW(2) is lower than 0.8V. There is is thermal protection to protect the device from overheating and over voltage protection (OVP) to safeguard the device during voltage surge.The RT5715GQW(2) provides various application fields such as automotive, lighting, industrial and communication systems, etc. Besides, it is an ideal choice for the applications which require high accuracy, efficiency and a wide range of operating temperature such as Li-ion battery charging and battery power management system.In terms of the device operation principle, the RT5715GQW(2) contains a Schottky diode, an internal PMOSFET, current limit circuit and a Light Load control circuit. The Schottky diode and the internal PMOSFET form a synchronous rectifier which provides fast response time and low leakage current. The current limit circuit prevents the over-current damage and the Light Load control circuit allows optimal light load efficiency by disabling the switching action during the light load mode.The current limit and voltage loop block, together with the protection circuit enable the RT5715GQW(2) to provide high efficiency, accurate output voltage, and system reliable protection support. The RT5715GQW(2) also provides different mode such as PWM, Burst Mode, PFM, and PWM+PFM Hybrid mode to enable user to optimize the system performance.In conclusion, the RT5715GQW(2) is an excellent DC-DC switching regulator device that offers high efficiency, accurate output voltage, and system reliable protection support, making it an ideal choice for wide range of applications including automotive, lighting, industrial and communication systems, etc.

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