REG104GA-3.3/2K5G4

Current - Output:	1A
Base Part Number:	REG104-33
Supplier Device Package:	SOT-223-6
Package / Case:	SOT-223-6
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):	1.8mA
Current - Quiescent (Iq):	0.7mA
Series:	--
Voltage Dropout (Max):	0.48V @ 1A
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3.3V
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

REG104GA-3.3/2K5G4 is a linear voltage regulator. It is a versatile, easy-to-use 3.3 V low dropout (LDO) regulator. This device has two properties that make it especially useful for portable applications: low quiescent current in dropout and low output noise. The REG104GA-3.3/2K5G4 provides unparalleled performance for the battery-powered space, with its low quiescent current, low output noise, and wide operating temperature range.

Application Field

The REG104GA-3.3/2K5G4 has a wide range of applications in the field of power management. It can be used in systems that require regulated 3.3 V power sources, such as digital processors and memory, charge pumps and PLLs, logic and other digital ICs, and audio amplifiers.The REG104GA-3.3/2K5G4 is also perfect for applications that require low noise, low dropout voltage, and long life at extremely low quiescent current. These include disposable battery-powered resources such as medical equipment, smoke detectors, and RFID tags. It can also be used for external protection applications and board-level power regulation.

Working Principles

The REG104GA-3.3/2K5G4\'s working principle is based on a standard voltage regulator design. It has an internal reference voltage and an error amplifier which compare the output voltage of the regulator to the internal reference voltage. If the output voltage deviates from the set point, then the error amplifier will adjust the pass transistor\'s resistance accordingly to correct the output voltage.The REG104GA-3.3/2K5G4 also features an integrated over-voltage protection circuit, which monitors the output voltage and immediately shuts down the regulator if the voltage rises above a predetermined level. This helps to prevent damage to the components it is supplying power to. The REG104GA-3.3/2K5G4 also features an adjustable current limit, which can be set to prevent excessive current flow.

Conclusion

The REG104GA-3.3/2K5G4 is an ideal choice for applications requiring low noise, low dropout voltage, and long life at extremely low quiescent current. This device is used in a variety of power management and protection applications, from digital processing to charge pumps and PLLs, to audio amplifiers and RFID tags. Its integrated over-voltage protection and adjustable current limit provide a safe and reliable power source.

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