REG103FA-2.5KTTTG3

Current - Output:	500mA
Base Part Number:	REG103-25
Supplier Device Package:	DDPAK/TO-263-5
Package / Case:	TO-263-6, D²Pak (5 Leads + Tab), TO-263BA
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Protection Features:	Over Current, Over Temperature
Control Features:	Enable
PSRR:	65dB (120Hz)
Current - Supply (Max):	1.3mA
Current - Quiescent (Iq):	0.7mA
Series:	--
Voltage Dropout (Max):	0.28V @ 500mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.5V
Voltage - Input (Max):	15V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The REG103FA-2.5KTTTG3 is a programmable linear voltage regulator integrated circuit (IC) used in many electronic applications. This chip is part of the Voltage Regulators product family within Power Management ICs (PMICs). This article will discuss the application fields and working principles of the REG103FA-2.5KTTTG3.

Application Fields

The REG103FA-2.5KTTTG3 is designed for a wide range of applications. It is typically used in digital signal processing systems, computers, and other devices that need a reliable and stable power supply. The chip is an ideal choice for industrial and commercial applications that require a cost-effective, reliable, and high-performance regulator.The REG103FA-2.5KTTTG3 can output up to 2.5A of current and features a variety of features that make it ideal for many applications. It features low output noise, low quiescent current, and fast transient response. Additionally, the chip is capable of withstanding high surge currents, making it suitable for applications that require a reliable source of power.

Working Principle

The REG103FA-2.5KTTTG3 utilizes a standard linear voltage regulation architecture. This consists of a voltage reference, an error amplifier, a control circuit, and a series pass element.The voltage reference provides a stable reference voltage to the error amplifier. The error amplifier compares the reference voltage with the output voltage and produces a signal that is proportional to the difference between the two voltages. This signal is routed to the control circuit, where it is used to adjust the current through the series pass element, thereby regulating the output voltage.The response time of the REG103FA-2.5KTTTG3 is determined by the type of feedback loop used and the slew rate of the amplifier and control circuitry. The chip is designed to provide a fast and accurate transient response, ensuring that the load is consistently supplied with the correct voltage.The REG103FA-2.5KTTTG3 also features programmable input, output, and over-current protection circuits. The input protection circuit prevents excessive current from entering the regulator, while the output protection circuit prevents excessive current from flowing out of the regulator. The over-current protection circuit prevents excessive current from flowing through the series pass element.

Conclusion

The REG103FA-2.5KTTTG3 is a linear voltage regulator IC that is designed for a variety of applications. It features a standard linear voltage regulation architecture, fast transient response, and a variety of protection circuits. The chip is an ideal choice for applications that require a reliable, cost-effective power supply.

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