LT3640IFE#TRPBF

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The LT3640IFE#TRPBF is a high-performance, low-profile power management integrated circuit that allows for efficient power conversion in multiple operating modes. This device is well suited for use in power management applications such as telecommunication systems, portable consumer electronics, computers and other industrial applications. Its tiny size, wide input range and excellent thermal performance make it an ideal choice for any power management requirement.

DC DC Switching Regulator Application Field

The LT3640IFE#TRPBF can be used for many different application fields, such as battery charging, portable consumer electronics, computer peripherals, digital cameras and basic electrical or electronic power supplies. This power management IC is an efficient, low-profile device that is designed for applications that require a wide input voltage range and excellent thermal performance. This device is well-suited for applications such as telecommunication systems, laptop computers, tablets, wireless communication systems and other industrial applications.

Working Principle of DC DC Switching Regulator

The LT3640IFE#TRPBF is a synchronous DC/DC converter that uses Pulse-Width Modulation (PWM) to convert an input voltage to a regulated output voltage. The synchronous rectification technique of the device is based upon the dedicated low-side MOSFET switch, which together with the top-side MOSFETs forms a two-switch automatical technique. In this way, the synchronous rectification technique increases the efficiency of the converter by up to 99% in some cases. The switching frequency of the LT3640IFE#TRPBF can be adjusted from 150 kHz up to 850 kHz.

Tracking and Margining Capabilities

The LT3640IFE#TRPBF implements tracking and margining capabilities to effectively control and monitor the load current in various application fields. The device can be programmed to track the input voltage of the system and provide a proper output voltage for the load. The device also features a margining function, which allows the output voltage to be adjusted in the range of ±1.8 V. This margining function enables the device to adjust the output voltage margin depending on the load requirements.

protections

The LT3640IFE#TRPBF also offers over-temperature, over-voltage and under-voltage protection. This protection feature prevents any damages caused by excessive operating temperatures, over-voltage or under-voltage conditions. In addition, this device has a thermal shutdown circuit with automatic restart capability. This thermal shutdown circuit prevents the device from overheating.

Conclusion

The LT3640IFE#TRPBF is a high-performance, low-profile power management integrated circuit that provides excellent thermal performance and wide input voltage range. This device is well-suited for a variety of application fields, such as battery charging, portable consumer electronics and computer peripherals. The device features an adjustable switching frequency and numerous protection features, such as over-temperature, over-voltage and under-voltage protection. In addition, the device features tracking and margining capabilities that allow for efficient power conversion in multiple operating modes.

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