AP2138R-1.8TRG1

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

AP2138R-1.8TRG1 application field and working principle

AP2138R-1.8TRG1 is a high-performance, low-dropout linear regulator with excellent line/load regulation, logic-controlled shutdown, and high ripple rejection. The linear field of voltage regulators can be used to power up digital systems, usually small loads, due to their requirement of high current capability.

Application Field of AP2138R-1.8TRG1

Due to its excellent line/load regulation performance and low power dissipation, AP2138R-1.8TRG1 is suitable for post regulation applications in computing and networking systems, as well as in battery-powered applications. With two LDOs and two PMBus-compatible control pins, AP2138R-1.8TRG1 is capable of managing a wide range of supply voltages from 0.7V to 2.8V with up to 50mA of current driving capability and a high accuracy (<1%).

AP2138R-1.8TRG1 regulation accuracy ensures its compatibility with a wide range of applications including:

• Disk drive applications
• Portable devices
• Biometric and imaging applications
• Network infrastructure
• Wireless communication systems

Working Principle of AP2138R-1.8TRG1

The basic working principle of linear voltage regulation is relatively simple. It consists of two main components – the reference voltage generator and a pass transistor. The reference voltage generator generates a stabilized voltage which is then used as the reference voltage for the pass transistor. The pass transistor acts as a switch to control the power supply by manipulating the voltage that goes to the load, thus providing a stabilized output voltage and current.

In the case of AP2138R-1.8TRG1, it has an on-chip voltage reference and current-limit circuitry, as well as a pass transistor. The on-chip circuitry is responsible for creating and maintaining the output voltage and current, while the pass transistor is responsible for controlling the current to the load in order to maintain the desired voltage and current levels.

In addition, AP2138R-1.8TRG1 has a logic-controlled shutdown feature. This feature allows the system to shutdown the LDO in order to conserve power when it is not in use. This feature can also be used to turn off the LDO in the event of an overcurrent or undervoltage condition.

Conclusion

AP2138R-1.8TRG1 from Averlogic is a high-performance, low-dropout linear regulator with excellent line/load regulation, logic-controlled shutdown, and high ripple rejection. It is suitable for post regulation applications in computing and networking systems, as well as in battery-powered applications. The working principle of the linear voltage regulator involves the use of an on-chip voltage reference and current-limit circuitry as well as a pass transistor.

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