LTC3459EDCB#TRPBF

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The LTC3459EDCB#TRPBF is a current mode DC/DC step-down switching regulator with integrated 1A switch. It delivers industry-leading efficiency, high switching frequency and integrated soft-start, making it suitable for a variety of applications. This regulator is ideal for providing clean and efficient power to high-power applications such as web servers, routers, storage, and tablet computing.

The LTC3459EDCB#TRPBF operates at a switching frequency up to 1.5MHz and supports output voltages of 0.8V to 5.5V. Its high efficiency rating of up to 95% makes it well suited for portable systems, where efficiency is key. With an integrated 1A switch, the LTC3459EDCB#TRPBF enables higher output current and higher efficiency in a small solution size, for space-constrained designs. The low-noise operation provides a clean power solution for sensitive analog applications.

The LTC3459EDCB#TRPBF also features state of the art protection features such as tracking/sequencing, over-current protection, under-voltage lockout, short-circuit protection and thermal shutdown. Its adjustable soft-start helps manage inrush currents during start-up, and its adjustable output slew rate prevents over-current conditions in sensitive voltage rails. Its wide input voltage range of 4V to 16V makes it suitable for mobile and automotive applications.

The working principle of the LTC3459EDCB#TRPBF is based on a current mode control. It uses a high frequency oscillator to generate a frequency ramp signal. This oscillator is used to generate a pulse width modulated signal. The PWM output is used to turn on and off the internal switch, which in turn switches the power through the output inductor and rectifier. The current sense voltage, generated by the inductor, is used to control the duty cycle of the internal switch, which in turn regulates the output voltage.

For applications that require higher efficiency, the LTC3459EDCB#TRPBF also features a switching frequency limit that limits the tos operation of the internal switch at a lower frequency, thereby increasing efficiency. This adjustable frequency limit is ideal for light load conditions, where the output voltage does not need to be regulated as tightly. In addition, for high-side applications, the LTC3459EDCB#TRPBF features a high-side amplifier to drive the high-side switch.

The LTC3459EDCB#TRPBF offers various protection features to protect the system. These include under-voltage lockout, over-current protection, and thermal shutdown. The protection features are integrated in the controller and are triggered when the output voltage is outside of the preset range or when the temperature is too high. This ensures that the system is protected from damage in case of abnormal operating conditions.

The LTC3459EDCB#TRPBF device is a high-performance DC/DC switching regulator solution that is ideal for providing clean and efficient power to high-power applications. Its high efficiency and integrated protection features make the device an ideal choice for a wide range of applications, from mobile and automotive to high-performance computing applications.

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