AP2125KS-4.2TRG1

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

AP2125KS-4.2TRG1 is a highly integrated power management integrated circuit (PMIC) from the linear voltage regulator category which is primarily used for applications requiring high accuracy current and regulated voltage. This IC operates on low voltage (max 4.2V) and ensures better current efficiency and a lower dropout voltage. It is an adjustable positive linear voltage regulator which is capable of supplying a fixed output voltage between 0.8V to 4.2V while providing a maximum current of 500mA. 

The device features over-voltage protection (OVP), over-temperature protection (OTP), a power good output, and thermal-shutdown protection (TSD). It also offers fixed output voltage error of ±2% and a typical line transient response of 70μs. One of the features that makes it suitable for applications requiring high accuracy current and regulated voltage is its low VIN current, which is typically 300µA. It also meets φ-junction requirements in automotive, industrial and telecommunications applications.

In order to understand the working principle of AP2125KS-4.2TRG1, one should understand the concept of linear voltage regulators in general. A linear voltage regulator is an electronic circuit which is used to constantly adjust and regulate the output voltage applied to a load. When an unregulated supply voltage is applied to the input of the device, the regulator effectively converts the input voltage into a stable output voltage. This is done in order to prevent the output voltage from being affected by the changes in the input voltage, thereby creating a steady and dependable output voltage.

The AP2125KS-4.2TRG1 works on a two-stage operation, which is made of a voltage reference and voltage error amplifier. In the first stage, an internal voltage reference is employed in order to set the output at the required regulated voltage. This voltage reference is then compared to the output voltage in the second stage in order to detect any discrepancies. If a discrepancy is detected, the voltage error amplifier adjusts the output of the device to match the reference voltage.

The AP2125KS-4.2TRG1 has several features which makes it suitable for use in various applications such as automotive, industrial, and telecommunications. Its low VIN current, adjustable output voltage, over-voltage protection, over-temperature protection, and power good output protection are some of its features that make it useful. Furthermore, its high accuracy current and low dropout voltage make it suitable for applications requiring precise voltage regulation.

In conclusion, the AP2125KS-4.2TRG1 is a highly integrated PMIC which is capable of supplying a fixed output voltage between 0.8V to 4.2V while providing a maximum current of 500mA. It is suitable for applications requiring high accuracy current and regulated voltage due to its low VIN current and adjustable output voltage. Furthermore, the device offers several features such as over-voltage protection, over-temperature protection, and power good output protection which ensure reliable operation in a variety of applications.

The specific data is subject to PDF, and the above content is for reference