LT8609HMSE#PBF

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The LT8609HMSE#PBF is a synchronous buck regulator integrated circuit with high performance, low quiescent current, high peak current and high efficiency. It employs a current-mode synchronous Buck converter architecture to provide excellent transient response and system stability. The LT8609HMSE#PBF is a high-performance, low-quiescent current synchronous buck regulator, it has a maximum 2.25A continuous output current and a 3.5A peak output current. The low quiescent current (15μA) and maximum EMI reduction feature make it a perfect choice for portable applications.

Application Field:

The LT8609HMSE#PBF is a versatile DC-DC converter that benefits from its high efficiency and robust transient performance. Its versatile feature set makes it an ideal choice for a wide range of applications including: Portable consumer electronics, wireless telecom, medical and test equipment. Additionally, it can be used to provide reliable power supplies for mobile computing, automotive, and industrial applications.

Working Principle:

The LT8609HMSE#PBF employs a current-mode synchronous Buck-converter architecture to provide excellent transient response and system stability. The LT8609HMSE#PBF integrates two MOSFETs and one LDO inside the IC to provide the low output voltage ripple and highest efficiency achieved by synchronous design. The integrated switches and circuit protection guarantee the continuity of its operations even under harsh conditions. It can operate in PWM or Burst mode to reduce the total power consumption at light loads.

The input voltage range of the IC is from 4V to 22V and the output can be adjusted from 0.8V to 1.8V. The switching frequency is adjustable from 200kHz to 1000kHz and the reference voltage can be adjusted to change the output voltage range. The IC also provides protection against over voltage, over current, reverse polarity and thermal protection.

Finally, the LT8609HMSE#PBF supports a wide variety of operating modes such as: double-shot synchronous rectification, single-shot synchronous rectification, and linear mode. The various operating modes can be easily selected by setting the appropriate bits in the configuring pins, making the device highly flexible and customizable.

So, the LT8609HMSE#PBF is an excellent and advanced synchronous buck converter for providing regulated and reliable power supplies for a wide range of applications. It is particularly suitable for battery powered applications that require low quiescent current, high peak current and high efficiency.

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