ADP2138ACBZ-2.8-R7

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Introduction: The ADP2138ACBZ-2.8-R7 is an intelligent step-down DC/DC converter manufactured by Analog Devices, Inc. It is part of the company’s Power by Linear (PBL) family of products. The ADP2138ACBZ-2.8-R7 is a high-efficiency, wide input voltage range, monolithic step-down DC/DC converter. The device is designed to drive capacitive loads, resistive loads, and inductive loads. The device is capable of providing up to 5.0A of output current while delivering an exceptional load-step response. The operating temperature range is -40 08C to 125 08C.

Application Fields: The ADP2138ACBZ-2.8-R7 is a versatile voltage regulator suitable for a variety of applications. These include automotive systems, industrial, telecommunications, and common consumer applications. It is also ideal for powering FPGAs, ASICs, DSPs, and microprocessors.

Working Principle: The ADP2138ACBZ-2.8-R7 is a monolithic switching regulator, meaning it is self-contained on one chip. It utilizes current-mode regulation, which enables fast line and load transients. The voltage is digitally-programmable and can be adjusted by an external digital or analog signal.

The device utilizes a synchronous DC/DC topology that offers high efficiency, fast transient response and small solution size. The operating frequency can be programmed with an external resistor, allowing the device to be used in most applications.

The device includes a power MOSFET and a current-sense amplifier. The power MOSFET allows the device to drive large capacitive, inductive, and resistive loads. The current-sense amplifier allows the device to sense the current through the power MOSFET, which then helps to maintain a constant output voltage.

The ADP2138ACBZ-2.8-R7 is an ideal solution for low-input voltage, high-current applications. It offers a wide input voltage range, adjustable output voltage, and programmable switching frequency.

Conclusion: The ADP2138ACBZ-2.8-R7 is a versatile and efficient step-down DC/DC converter from Analog Devices, Inc. With its wide input voltage range, adjustable output voltage, and fast transient response, it is suitable for many applications, ranging from automotive systems to industrial and consumer applications.

The device utilizes a synchronous DC/DC topology, current-mode regulation, and a power MOSFET to provide an output with high efficiency and fast transient response. The voltage can be programmed digitally or analogically and the switching frequency can be regulated using an external resistor.

In summation, the ADP2138ACBZ-2.8-R7 is a perfect fit for low-input voltage, high-current applications, able to provide up to 5.0A of output current and operate over temperatures ranging -40 08C to 125 08C.

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