LTC3624HMSE-25#TRPBF

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LTC3624HMSE-25#TRPBF is a 1A Long Pin-Count Step-Down Switching Regulator. It is typically used in voltage regulation, which is one of the main application fields of PMIC – Voltage Regulators – DC DC Switching Regulators.

LTC3624HMSE-25#TRPBF is basically an integrated circuit that operates as an efficient, fast responding, low-noise switch mode DC/DC converter. It has wide input voltage range from 3V to 12V, and an adjustable output voltage range from 0.8V to VIN. It features the advanced Burst Mode operation, which dramatically reduces operating quiescent current to just 75 μA for a 1A load.

The integrated low-side MOSFET of LTC3624HMSE-25#TRPBF can support up to 1A of output current. Its thermal shutdown feature also prevents damage from runaway output conditions.

The advanced Burst Mode operation of LTC3624HMSE-25#TRPBF is its unique feature and main advantage. When the output current loading is low, the converter enters into a very light sleep state, where its supply current can be kept to a minimum. Since this operation mode is based on implementing PFM (Pulse Frequency Modulation) with a variable frequency and low system power dissipation, the end result is improved efficiency and reduced acoustic noise.

In terms of the working principle, LTC3624HMSE-25#TRPBF is based on a very common switching topology. It has a external MOSFET that is controlled by a current-mode PWM switch-mode power-supply controller. There are essentially two control loops in this topology; a voltage loop and a current loop. The voltage loop controls the main switch on time (tON) by comparing the voltage feedback signal with a reference voltage. The current-mode allows the system to respond quickly to changes in the load, thus providing better transient response, especially in the light load conditions.

In summary, LTC3624HMSE-25#TRPBF is a low-noise, integrated circuit switch-mode power-supply controller that operates as an efficient, fast responding, low-noise step-down DC/DC voltage regulator. It features the advanced Burst Mode operation, which can dramatically reduce system power dissipation and improve overall efficiency. This makes it ideal for various voltage regulation applications, and is the perfect choice for PMIC – Voltage Regulators – DC DC Switching Regulators.

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