LTC3624IMSE-25#PBF

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The LTC3624IMSE-25#PBF is a high-efficiency, high-speed synchronous step-down DC/DC switching regulator. It is designed to provide a constant output voltage even when supplied with an input voltage that varies by up to a 6:1 ratio. It features an advanced switching architecture with two N-channel MOSFETs arranged in a synchronous cross-conduction configuration to ensure low power loss and high efficiency. It also features a constant frequency switching frequency to reduce noise and jitter, as well as adaptive on-time control for fast transient response. Furthermore, the LTC3624IMSE-25#PBF has numerous protection features, including overcurrent protection, thermal shutdown, and short circuit protection.

The LTC3624IMSE-25#PBF is suitable for a wide range of applications, including cellular phones, base stations, computing, data storage, instrumentation, and automotive systems. It is most commonly used to convert 12V input to a regulated 5V output with up to 2A of output current. It also features undervoltage lockout, an adjustable current limit, and fixed frequency operation.

The LTC3624IMSE-25#PBF supports input voltages of 2.5V to 36V and is designed for use in applications where the input voltage range is narrow. It also features a wide range of operating frequencies, from 180kHz to 2.4MHz, and inputs from 5V to 36V. The LTC3624IMSE-25#PBF supports a wide range of output currents from 0.1A to 3A.

The working principle of the LTC3624IMSE-25#PBF is based on pulse width modulation (PWM). The DC/DC converter is configured so that the input voltage is converted to an output voltage by switching the two MOSFETs in a synchronous manner with a controlled duty cycle denoted by the PWM signal. The output voltage is regulated by adjusting the duty cycle of the PWM signal according to the input voltage and the feedback voltage (VFB). The PWM signal is generated by an internal oscillator and the current limit is set by adjusting the phase shift in the oscillator output.

Moreover, the LTC3624IMSE-25#PBF features an advanced adaptive on-time control which ensures fast transient response while maintaining loop stability over varying loads and line conditions. It also includes advanced fault protection features, such as output overvoltage, over current, and thermal shutdown. Furthermore, the LTC3624IMSE-25#PBF features a low quiescent current to reduce power dissipation in standby mode and power good output for monitoring the output voltage.

In summary, the LTC3624IMSE-25#PBF is a high-efficiency, high-speed synchronous step-down DC/DC switching regulator. It is suitable for a wide range of applications, including cellular phones, base stations, computing, data storage, instrumentation and automotive systems. It can handle input voltages of 2.5V to 36V and output voltages from 0.8V to 36V. It has a working principle based on pulse-width modulation (PWM) and an adaptive on-time control to ensure fast transient response. It also features numerous protection features, including overvoltage, overcurrent and thermal shutdown. The LTC3624IMSE-25#PBF is thus an ideal choice for those who want an efficient and reliable solution for their DC/DC conversion needs.

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