LT3757IDD#TRPBF

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LT3757IDD#TRPBF is a step-down High Voltage DC to DC controller featuring the company\'s Tri-Phase Synchronous rectification block. The device controls the switching of external N-Channel Power MOSFETs which are used for power conversion to achieve high efficiency. It is able to operate with small external components, including large value inductors and capacitors, and is suitable for applications such as automotive, industrial, consumer, and telecom.The LT3757IDD#TRPBF has wide input voltage range from 4.5V and up to 100V, making it a great choice for high voltage applications. It also has a wide output voltage range from 0.6V to the input voltage range. The operating frequency range for the device is between 100kHz and 500kHz and can be adjusted by connecting an external resistor.The LT3757IDD#TRPBF also has several features that help maximize efficiency and lower thermal stress. It has a low quiescent current of less than 1mA, improving battery life. The power Good pin indicates when the output voltage has achieved regulation, and the device also supports hysteretic current mode control with adaptive control. The device has a temperature shutdown feature that helps prevent damage due to overheating. Using the device is simple, as it is designed to be compatible with a wide range of applications. The device features an internal synchronous rectification controller which can be enabled or disabled via an external resistor. The rectification timing and deadtime can also be adjusted by adding external resistors. The device can operate in either analog or PWM mode and the output voltage can be monitored with the help of the output voltage sensing pin.In addition to its many features, the LT3757IDD#TRPBF also offers high efficiency and is able to achieve up to 90% efficiency, depending on the input and output voltages. It has a wide input and output voltage range, making it a great choice for many applications.ApplicationsIndustrial, consumer, telecom and automotive applications,Working PrincipleThe LT3757IDD#TRPBF is a step-down DC to DC controller that controls the switching of external N-Channel Power MOSFETs to achieve high efficiency. The device has an internal synchronous rectification controller which can be enabled or disabled via an external resistor. The rectification timing and deadtime can also be adjusted by adding external resistors. The device can operate in either analog or PWM mode and the output voltage can be monitored with the help of the output voltage sensing pin. The device has a low quiescent current of less than 1mA and can achieve up to 90% efficiency, depending on the input and output voltages.

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