FAN2519S28X

Current - Output:	50mA
Base Part Number:	FAN2519
Supplier Device Package:	SOT-23-5
Package / Case:	SC-74A, SOT-753
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Temperature
Control Features:	Enable
PSRR:	43dB (120Hz)
Current - Quiescent (Iq):	50µA
Series:	--
Voltage Dropout (Max):	0.075V @ 50mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.8V
Voltage - Input (Max):	6.5V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction

The FAN2519S28X is a linear voltage regulator, which is used as an external power source to provide a regulated DC voltage. It is commonly used in a variety of applications including automotive, industrial, audio, and communications applications. The FAN2519S28X is based on the linear architecture, meaning it is a type of DC-DC regulated power module. It features two adjustable output voltage rails that are independently adjustable. It also features an enable/disable function and an output voltage tuning pin (VADJ) for flexible and precise voltage control.

Features and Benefits

The FAN2519S28X offers a variety of features and benefits that make it an ideal choice for many applications. It has a wide input voltage range of 3V to 28V, which makes it well-suited for automotive, industrial, audio, and communications applications. The device also has an adjustable output voltage range of 0.9V to 28V, so it can be tailored to meet the power requirements of almost any application. The enable/disable feature allows the device to be disabled when not in use, helping to improve overall efficiency and reduce power consumption. Additionally, the VADJ pin allows the output voltage to be precisely tuned, which is essential when dealing with sensitive electronic systems. The FAN2519S28X also has a low-noise wide-bandwidth performance that makes it suitable for high-speed data applications and for providing a clean and stable power source for mission-critical systems.

Application Areas

The FAN2519S28X is suitable for a wide range of applications. It is ideal for automotive, industrial and communications applications due to its wide input voltage range and adjustable output voltage range. The device works well for providing a clean and stable power source in mission-critical systems and data applications. It can also be used in audio and video systems for providing a noise-free power source for amplifiers and other components. Additionally, it can be used in high-speed data communications systems, providing a noise-free power source for applications such as Ethernet, Bluetooth and Wi-Fi.

Working Principle

The FAN2519S28X is a linear voltage regulator, meaning it works by controlling the drain current of a MOSFET switch. The MOSFET switch is configured in a linear regulator circuit, which consists of two transistors and a feedback loop. The transistors are controlled by the input voltage, which is set using the VADJ pin. When the input voltage is greater than the output voltage, the MOSFET device is on, allowing current to flow through it. The P-type transistors control the amount of current that can flow through the MOSFET device, which also affects the output voltage. The feedback loop then adjusts the input voltage until it matches the output voltage, thus providing a stable output voltage.

Conclusion

The FAN2519S28X is a linear voltage regulator that is ideal for automotive, industrial, audio, and communications applications. It has a wide input voltage range of 3V to 28V and an adjustable output voltage range of 0.9V to 28V. The device also features an enable/disable function and VADJ pin for adjusting the output voltage, making it suitable for providing a precise and clean DC power source. The FAN2519S28X works by controlling the drain current of a MOSFET switch and utilizing a feedback loop to regulate and stabilize the output voltage. In conclusion, the FAN2519S28X is an ideal choice for a wide range of applications.

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