AP2213H-2.5TRG1

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AP2213H-2.5TRG1 Application Field & Working Principle

AP2213H-2. 5TRG1 is a low dropout (LDO) voltage regulator, usually classified as one of the linear regulators. It is designed in a SOT-223 package, and integrated in highly efficient duty-cycle control technology. LDO voltage regulators are used in many industries and applications, and often used as an alternative to switching regulator designs due to its high efficiency, excellent transient response, and low cost.

AP2213H-2.5TRG1 Overview

The AP2213H-2.5TRG1 provides a regulated power supply rail of up to 2.5V at current of 1A. The device uses an internal p-channel MOSFET to regulate the voltage and control the current delivery, providing excellent response to load transients. It has a wide input voltage range of 3.2V to 15V and a guaranteed output accuracy of 2.50V ±0.5%. The AP2213H-2.5TRG1 also provides protection features including over current protection, over temperature protection, and over voltage protection.

Features of AP2213H-2.5TRG1

• Low quiescent current < 8mA
• Wide input voltage range of 3.2 V to 15 V
• High output current of 1 A
• Fast start-up time
• Loop stability
• Excellent transient response
• High accuracy - ± 0.5%
• Over-current, over-temperature and over-voltage protection

Applications of AP2213H-2.5TRG1

The AP2213H-2.5TRG1 is designed for low voltage voltage regulation in a wide range of applications including: portable power management, consumer electronics, telecommunications, automotive, medical, industrial, and communication systems. It is particularly well suited for portable battery-powered applications where low standby current is a key requirement. Typical applications include battery-powered portable equipment, audio systems, set-top boxes, and automotive ECUs.

Working Principle of AP2213H-2.5TRG1

The AP2213H-2.5TRG1 uses an internal P-channel MOSFET to regulate the output voltage and current flow. The integrated high efficiency duty-cycle control technology enables the device to maintain stable output current and voltage even in the event of high load transients.

When the input voltage is greater than the output voltage, the P-channel MOSFET ensures that a constant current is delivered to the load. When the input voltage is lower than the output voltage, the MOSFET is turned off, and the output voltage is maintained. The device also features over current, over temperature, and over voltage protection as well as soft start.

Conclusion

The AP2213H-2.5TRG1 is a low dropout (LDO) voltage regulator, featuring high efficiency duty-cycle control technology, integrated over current, over temperature, and over voltage protection, and a wide input voltage range of 3.2V to 15V. It is suitable for a wide range of applications including portable power management, consumer electronics, telecommunications, automotive, medical, industrial, and communication systems.

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