ADP2140ACPZ1815R7 Integrated Circuits (ICs)

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ADP2140ACPZ1815R7 Application Field and Working Principle

PMIC (Power Management IC) Voltage Regulators, such as the ADP2140ACPZ1815R7, are power integrated circuit devices used to control the power supply to a variety of load circuits. Voltage Regulators are an important part of a complete power supply design, and Linear + Switching regulators can generally operate with either a linear or switching power supply.

ADP2140ACPZ1815R7:

The Analog Devices ADP2140ACPZ1815R7 is a 3.3V, single channel step-down DC/DC converter with a wide Vin operation range of 0.9V to 3.6V. The device includes a P-Channel MOSFET switch and a low quiescent current operating mode, making it suitable for low power, portable applications. Additionally, the ADP2140ACPZ1815R7 also offers an adjustable output voltage range of between 1.3V and 3.3V, guaranteeing a wide range of power delivery to the load.

Application Fields:

The ADP2140ACPZ1815R7 offers a low output voltage ripple, making it ideal for use in a wide range of applications including automotive, industrial, healthcare, consumer, and portable applications. This efficient, single-channel DC/DC converter is designed for linear and low drop-out applications, making it well-suited for use in demanding, power-sensitive applications such as USB-powered devices, smartphone and tablet chargers, automotive sensors, wearable electronics, and other high-performance devices.

Working Principle:

The ADP2140ACPZ1815R7 operates using a two-phase operation, in which the input voltage is regulated by controlling the duty cycle of the P-channel MOSFET switch on the primary side. During the first phase, the switch is on, allowing current to flow from the input voltage to the inductor. During the second phase, the switch is off, permitting the charge stored in the inductor to flow to the output capacitor. The output voltage is determined by the duty cycle, with a higher duty cycle leading to a higher output voltage.

The ADP2140ACPZ1815R7 also offers a low-quiescent current operating mode to further extend the efficiency of the device. In this mode, the switch is disabled when no current is required, minimizing power dissipation and allowing the device to enter into very low power states. This mode decreases the input current drawn when the output is not in use, improving overall power efficiency and helping to extend battery life.

Overall, the ADP2140ACPZ1815R7 is a reliable, efficient voltage regulator with great power delivery characteristics. The device is suitable for use in a wide range of applications, and its adjustable output voltage range and low quiescent current operation make it well-suited for use in high-performance, power-sensitive applications.

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