LTC3621HMS8E-25#PBF

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The LTC3621HMS8E-25#PBF is a synchronous step-down (buck) current mode switching regulator that can produce a regulated output voltage of up to 18V. It is a Pulse-Width Modulator (PWM) type regulator that is best suited for applications that require high efficiency and fast transient response. The LTC3621HMS8E-25#PBF is designed with a 5mm × 5mm, 8-lead QFN package, making it ideal for space-constrained applications.

Application

The LTC3621HMS8E-25#PBF is mainly used in high power distributed systems, such as distributed power conversion applications, point-of-load (POL) or multi-phase power solutions, and power solutions for printers, enterprise level AC/DC converters, and industrial power systems. This makes it suitable for many markets, such as automotive, consumer electronics, industrial, medical, and telecommunications.

The LTC3621HMS8E-25#PBF can be used in non-isolated DC/DC applications to provide regulated output voltages and currents with high efficiency. It can also be used in regulated power systems, where it can provide regulated voltage and current with fast transient response over a wide range of input voltages and output currents. The LTC3621HMS8E-25#PBF is ideal for high current applications, as it can provide up to 100mA output current.

Working Principle

The LTC3621HMS8E-25#PBF is a synchronous, current mode, step-down (buck) regulator, designed with a 5mm x 5mm, 8-lead QFN package. Its architecture is based on high-gain, synchronous buck regulators with fast loop response, resulting in excellent transient response and good line regulation.

The LTC3621HMS8E-25#PBF has an input voltage range of 2.5V to 18V, resulting in a dropout of 3V at the output. It includes an internal Power MOSFET, and can be operated from a wide range of input voltages and output currents. The LTC3621HMS8E-25#PBF is capable of providing high output current up to 100mA with a switching frequency of 300kHz, making it suitable for power distributed applications.

The LTC3621HMS8E-25#PBF provides excellent output voltage regulation, reducing the amount of output voltage ripple and providing improved line and load regulation. It also provides an internal compensation loop, which allows the regulator to quickly respond to load transients and maintain a stable output.

The LTC3621HMS8E-25#PBF is designed with an efficient and reliable architecture, making it suitable for high power applications. It can be used in a variety of industrial, consumer, and automotive systems, as it provides high efficiency and fast transient response.

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