LTC3672BEDC-2#TRMPBF

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The LTC3672BEDC-2#TRMPBF is a comprehensive 3-frequency 400/500/800kHz switched capacitor DC/DC converter optimized for handheld and portable apps. By combining a burst-mode inductor-based switching regulator, an external control loop circuitry, and a 24V input step-up DC/DC converter, the LTC3672BEDC-2#TRMPBF can provide at least 3x efficiency improvement when used in powering handheld devices or portable equipment applications.

It utilizes two synchronous switching buck regulator topologies to ensure efficient, fast and reliable power conversion. The buck regulators provide superior output power accuracy and fast transient response, providing greater speed and performance efficiency. Additionally, its configurable switch frequency allows users to optimize the switching performance depending on their power requirements.

Physically, the LTC3672BEDC-2#TRMPBF is housed in a compact 3.3 x 3.3 mm, ThermoElectric package and is offered in the MLF28 footprint. It also features an integrated charge pump with independent input and output logic that eliminates the need for a separate load switch in certain applications.

The LTC3672BEDC-2#TRMPBF application field can range from simple battery charging to complex portable or handheld device power management. The device can be used in a variety of applications requiring low power consumption and high efficiency, such as in battery-powered portable electronic devices, communication systems, medical devices, automotive systems, and consumer electronics.

The LTC3672BEDC-2#TRMPBF working principle is based on a DC/DC converter topology with combination of synchronous buck regulators and a high-frequency switching DC/DC converter. A synchronous buck regulator works on the principle that the power switch is alternated by the synchronous rectifier so that the voltage of the energy inductor is inversely proportional to the electrical current. The voltage output is controlled by an external control loop circuitry that maintains the output constant. A high frequency DC/DC converter works on the principle that the input voltage is switch regulated. The output voltage is set by an internal programmable phase-locked loop (PLL). So it is possible to control the output voltage on the same pulse width modulation (PWM). Therefore, the output voltage is kept in regulation.

In addition, the LTC3672BEDC-2#TRMPBF can also be used as a variable voltage converter with low voltage and high power output. The LTC3672BEDC-2#TRMPBF is designed to be used in conjunction with a step-up controller IC, such as the LTC3774, and a voltage regulation IC, such as the LTC3440. The combination of integrated circuit allows for a wide range of output voltages (from 0.9V to 24V.) This device can provide excellent performance and accuracy in a wide range of applications, from battery-powered portable electronics to communications systems.

The LTC3672BEDC-2#TRMPBF is a valuable tool for designers looking to achieve high-efficiency and high-performance in their applications. With its high integration and wide input voltage range, it allows for an easy implementation of efficient power management strategies. Its low noise performance, fast transient response, and precise output voltage regulation ensure that the end product meets customer expectations. As a result, it is a great choice for powering a variety of applications in the modern world.

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