LTM4615IV#PBF

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The LTM4615IV#PBF is a high-efficiency, low quiescent current step-down switching regulator for an ever changing array of application needs and power architectures. It is designed to handle a wide range of input voltages of up to 40V and is capable of providing up to 5A of output current. The LTM4615IV#PBF is part of the new generation of DC-DC converters, boasting better noise, higher efficiency, and lower quiescent current than its predecessors.

The LTM4615IV#PBF is suitable for a wide array of applications. It can be used to power FPGAs, cooling fans, and other circuits requiring stable power. It is also well-suited for automotive and industrial applications, where high efficiency and low noise operation are paramount. The LTM4615IV#PBF is rated to operate at a junction temperature of -40 to 125°C and can withstand an ambient temperature of -40 to 85°C without an active cooling unit.

The working principle of the LTM4615IV#PBF is based on a synchronous step-down switching regulator. It works by generating a fixed output voltage by continuously comparing an internal reference voltage at the error amplifier to the actual output voltage. If the output voltage is higher than the reference voltage, a low side MOSFET is turned on, allowing current to flow from the input voltage to the output voltage. At the same time, a high-side n-channel MOSFET is also turned on, allowing current flow to the inductor and increasing the stored energy. When the current reaches a certain level, the high-side MOSFET is turned off. The stored energy in the inductor is then released to the output voltage. This cycle is repeated, ensuring that the output voltage is to within a certain tolerance of the reference voltage.

The LTM4615IV#PBF is an advanced DC-DC switching regulator designed to support a variety of applications. It features high efficiency, low quiescent current, and a wide input voltage range. It is suitable for power architectures in both automotive and industrial settings, and can tolerate operating temperatures of -40 to 125°C. It is based on a synchronous step-down switching regulator principle, where it continuously compares the output voltage to a reference voltage at the error amplifier and adjusts the current flow accordingly.

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