ADP1614ACPZ-R7

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ADP1614ACPZ-R7 has become a well-known product of Precision Monolithic\'s PMIC - Voltage Regulators - DC DC Switching Regulators range. The device is typically a high-efficiency, synchronous buck regulator with high-frequency power conversion achieved by using MOSFETs. In this article, the application field and working principle of ADP1614ACPZ-R7 will be discussed.

Application field

ADP1614ACPZ-R7 is suitable for use in a wide range of applications in both industrial and consumer markets. It supports an input voltage range of 2.5 V to 20 V, and can deliver output currents of up to 2 A. Additionally, it supports operation at up to 95% efficiency, making it suitable for use in power-constrained systems. It has built-in thermal protection and over-current protection, making it suitable for use in applications where high levels of reliability are required.

Its low external component count and small package size also makes ADP1614ACPZ-R7 suitable for use in applications where board space is at a premium. Additionally, its ability to accommodate small load transients makes it suitable for use in systems where high dynamic load changes are expected.

Overall, ADP1614ACPZ-R7 is ideal for use in automotive systems, HVAC systems, smart home applications and industrial control systems, as well as a range of other industrial and consumer applications.

Working principle

ADP1614ACPZ-R7 utilizes a buck converter topology to achieve high efficiency power conversion. Its output voltage is determined by the ratio of an external resistor and an internal feedback voltage. When the output voltage falls below its target, the controller responds by increasing the output current by switching on the MOSFETs and increasing the on-time.

The frequency at which the controller switches the MOSFETs is determined by an on-board oscillator, which is designed to minimize switching losses. Additionally, the oscillator supports both continuous conduction and embedded convection mode, allowing the users to optimize the system design for efficiency and performance.

When the output voltage exceeds its target, the controller responds by reducing the output current by switching off the MOSFETs and reducing the on-time. The device also includes an enable pin which can be used to control the on/off state of the regulator.

To protect against over-current and over-temperature, the ADP1614ACPZ-R7 is designed with integrated current limit and thermal protection. In addition, it also supports external soft-start, which can be used to reduce startup surge current.

Overall, ADP1614ACPZ-R7 is a high-efficiency, high-frequency synchronous buck regulator, which is ideal for use in a wide range of industrial and consumer applications. It\'s low external component count and small package size makes it suitable for applications where board space is at a premium, and its integrated protection features make it suitable for use in power-constrained systems.

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