AP2111H-2.5TRG1

Voltage Dropout (Max):	0.4V @ 600mA
Supplier Device Package:	SOT-223
Package / Case:	TO-261-4, TO-261AA
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Protection Features:	Over Current, Over Temperature, Under Voltage Lockout (UVLO)
Control Features:	--
PSRR:	65dB (100Hz ~ 1kHz)
Current - Quiescent (Iq):	80µA
Current - Output:	600mA
Series:	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.5V
Voltage - Input (Max):	6V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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AP2111H-2.5TRG1 Application Field and Working Principle

AP2111H-2.5TRG1 belongs to a type of PMIC (Power Management Integrated Circuit), Voltage Regulators, Linear, which is an integrated circuit (IC) containing an array of voltage regulating devices for use in a wide range of electronic applications. It is a monolithic high voltage, low voltage, dual output regulator featuring both precision voltage reference and low power current sink/source capability. This IC is widely used and suitable for various types of equipment and applications to achieve an optimal balance in power saving, over-voltage protection, voltage regulation, etc.

Features of the AP2111H-2.5TRG1

The features of the AP2111H-2.5TRG1 include:• Low dropout voltage• High frequency operation• Low temperature stability• Robust output current regulation• Low quiescent current• Voltage output range 2.5V to 3.3V• Overcurrent and short circuit protection• Output current up to 225mA• Internal thermal protection• Video and HDTV system compatible

Application Areas of the AP2111H-2.5TRG1

The AP2111H-2.5TRG1 is suitable for a wide range of applications, such as automotive, industrial, healthcare, secure communications, network, and consumer applications. Some of the specific application areas that this IC is suitable for include:• Audio Amplifier Regulation• Battery Powered Devices• Computer and Telecom Graphics Cards• Power Supplies• Video Processing Equipment• Servers/Workstations• LEDs• Mobile Devices• Communications Equipment

Working Principle of the AP2111H-2.5TRG1

The working principle of the AP2111H-2.5TRG1 is based on its internal low dropout (LDO) regulation circuit, designed to regulate the output voltage to a precise level. The internal LDO circuit consists of an input voltage comparator, consisting of three resistors, one capacitor, and a transistor. This comparator senses changes in the input voltage and turns the transistor on or off, regulating the output voltage. The power MOSFET also helps in regulating the output voltage. When the voltage drops below the reference 1.25V level, the power MOSFET is switched off, and when it exceeds the 1.25V level, it is switched on again. In addition, the AP2111H-2.5TRG1 is also equipped with temperature protection, overcurrent protection and short circuit protection for enhanced safety and improved system reliability.

Advantages of the AP2111H-2.5TRG1

The advantages of using the AP2111H-2.5TRG1 include:• It is a high-precision voltage regulator with low dropout voltage (<0.15V @ 150mA) and high frequency operation. • It can source or sink up to 225mA of output current with low quiescent current (<0.5mA). • It has overcurrent protection and short circuit protection for enhanced safety and improved system reliability. • It provides a compact solution to help reduce board space. • It is suitable for various applications in different industries, such as healthcare, automotive, and communications.

Conclusion

The AP2111H-2.5TRG1 is a highly-efficient linear voltage regulator for a variety of applications. It is suitable for a wide range of applications, providing precision voltage reference and low power current sink/source capability. It is a compact solution to help reduce board space, and provides overcurrent and short circuit protection for enhanced safety and improved system reliability. Therefore, it is ideal for use in a variety of audio amplifiers, battery powered devices, graphics cards, mobile devices, and other applications.

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