AP7361C-25ER-13

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PMIC (Power Management Integrated Circuit) devices have become necessary components in many modern electronic applications and have various functions such as energy saving, reliability management and system stability. Linear Voltage Regulators (LVRs) are among the most essential PMIC components to ensure voltage accuracy. In this article, we will discuss the application field and working principle of AP7361C-25ER-13, a popular linear voltage regulator from Diodes Incorporated.

AP7361C-25ER-13 Overview

The AP7361C-25ER-13 is a Linear Voltage Regulator (LVR) used to regulate the output voltage of an electrical system. It is rated to convert a 3.3V input voltage to deliver a regulated 2.5V output at a maximum current of 1.5A. This device has a fixed 2.5V output voltage, low dropout voltage and high efficiency; it is well-suited to be used in applications such as cellular base stations, DTVs and digital media players.

The AP7361C-25ER-13 has high PSRR (Power Supply Rejection Ratio) that allows this device to achieve better output noise performance and reduce the ripple. This LVR also has an externally adjustable current-limit mode, which adds protection to its output from excessive load current. Its operating temperature range is -40℃ to +125℃, making it suitable for a wide temperature range of operating conditions.

Apart from featuring high PSRR and low output current ripple due to its wide bandwidth, the AP7361C-25ER-13 is also RoHS compatible, making it an environmentally friendly choice.

How Does the AP7361C-25ER-13 Work?

The AP7361C-25ER-13 has a simple but effective working principle. To ensure an accurate output voltage, the voltage regulator needs to be connected to the system\'s power source. A series of components within the AP7361C-25ER-13 then works together to determine the precise voltage output required by the system. In other words, the AP7361C-25ER-13 acts as a voltage control element that maintains the output in a stable state despite any fluctuations in input.

The device\'s built-in error amplifier monitors and compares the actual voltage output to the required voltage output, adjusting the output voltage accordingly. This error amplifier also monitors the current limit in order to prevent any damages due to unexpected overcurrents. The internally set adjustable current limit can also be set externally using an optional resistor.

The AP7361C-25ER-13 is controlled by an on/off switch that is used to turn the regulator on and off. When the switch is enabled, the voltage regulator begins to monitor the input as well as the output voltage. When the current limit is reached, the voltage regulator will automatically shut down the system in order to protect it from any sudden current spikes.

Application

The AP7361C-25ER-13 is widely used in various electronic applications that require low power, high efficiency, and low output noise. Its high PSRR and wide bandwidth make it ideal for applications such as DTVs, digital media players, cameras, smartphones, and other consumer electronics. Also, it can be used in cellular base stations and networking products that require a regulated output of 2.5V at 1.5A.

Another major application of the AP7361C-25ER-13 is in high-end automotive electronics, such as seatbelts, power windows, and exterior lighting. The device\'s wide operating temperature range makes it suitable for use in harsh environment automotive electronic applications. It also helps to reduce power losses and improve efficiency due to its low dropout voltage.

Conclusion

In conclusion, the AP7361C-25ER-13 is a popular linear voltage regulator used to provide regulated output voltage with high efficiency, low ripple and low noise. This regulator has a fixed output voltage of 2.5V, an adjustable current limit and a wide operating temperature range, making it perfect for applications in a variety of industries, such as consumer electronics and automotive electronics. The device also features a low dropout voltage, making it suitable for use in applications with tight power budgets.

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