ADP2108ACBZ-1.0-R7

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Power management integrated circuits (PMICs) are electronic devices designed to manage and control the flow of both the voltage and current for various semiconductor components and systems. One type of PMIC is the DC/DC switching regulator, which is used to regulate electrical power from one circuit to another and is often found in laptop computers, mobile phones, and other consumer electronics. The ADP2108ACBZ-1.0-R7 is a buck switching regulator that is specifically designed for portable and embedded systems.

The ADP2108ACBZ-1.0-R7 switching regulator is a synchronous step-down converter with a fixed output voltage of 1.0 V and an input voltage range of 2.2 V to 5.5 V. It is capable of providing up to 2A of output current, making it an ideal choice for high current, portable applications. It features an adjustable switching frequency of 1 MHz or 2 MHz, a wide input voltage range and an input current limit of up to 2 A. The regulator supports both pulse-width modulation (PWM) and pulse frequency modulation (PFM) operation, allowing it to operate in either a high-efficiency or a lower-power mode depending on the requirements of the application.

The ADP2108ACBZ-1.0-R7 regulator is equipped with a wide range of protection features including over-voltage protection, under-voltage protection, over-temperature protection and cycle-by-cycle current limiting. The regulator also includes a soft start feature, which helps prevent large inrush current surges during startup and fault dissipation on both the high-side and low-side MOSFETs. The ADP2108ACBZ-1.0-R7 regulator is packaged in an 8-pin TSOP-8 package, making it small enough to fit into embedded applications.

The working principle of the ADP2108ACBZ-1.0-R7 regulator is based on the well-known synchronous buck topology. When the input voltage is higher than the output voltage, a power MOSFET switch is turned on, allowing current to flow through the switch to the output inductor. The output inductor then stores the energy and boosts the input voltage, filtering the current and reducing ripple. Meanwhile, the switch is then turned off and the output inductor releases the stored energy, which is then converted by the output diode into the desired output voltage.

The ADP2108ACBZ-1.0-R7 is well suited for a variety of applications, including industrial and embedded systems, automotive accessories, portable medical systems, precision metering and telecommunications equipment. Its wide input voltage range and high efficiency make it an ideal choice for a range of portable and embedded tasks. By providing a fixed output voltage and adjustable switching frequency, the regulator enables the simple design of a constant voltage, high current application.

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