AP2111H-3.3TRG1 Integrated Circuits (ICs)

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AP2111H-3.3TGR1 is a three-terminal linear voltage regulator. It is designed to provide a regulated output voltage accuracy of ±2.25%. It can help to reduce development time, cost and some of the thermal-related problems when used in the development of various electronic devices. It is classified as a PMIC (power management IC) which helps in supplying, optimizing and controlling the power in various electronic systems.

The AP2111H-3.3TGR1 provides a voltage regulation logic that can easily be designed into a wide variety of applications. Some of the common power related applications include portable equipment, such as Personal Digital Assistants (PDAs), cellular phones, notebook computers, etc., industrial automation and instrumentation products and communications systems.

The working principle of AP2111H-3.3TGR1 is based on the hysteresis-band control technique. This technique is an improved version of a linear regulator circuit, which involves applying an error signal by monitoring the output voltage. Depending on the direction of the signal’s slope, an appropriate duty cycle is generated to minimize the output control error. Consequently, a constant output voltage is maintained.

The AP2111H-3.3TGR1 is equipped with an input overvoltage protection circuit, an output current limitation circuit and thermal shutdown circuit, making it suitable for a variety of applications. Additionally, the impressive ±2.25% accuracy of the output voltage makes it a popular choice for cost-sensitive applications.

The AP2111H-3.3TGR1 is offered with several different package types including 4-pin SOT-89, 5 pin SOT-223, 8 pin DIP and 10 pin SOIC packages. Its ability to radically reduce development costs and complexities has made it one of the most popular voltage regulators in the industry.

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