BD3550HFN-TR Integrated Circuits (ICs)

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Output Configuration:	Positive
Output Type:	Adjustable
Number of Regulators:	1
Voltage - Input (Max):	4.5V
Voltage - Output (Min/Fixed):	0.65V
Voltage - Output (Max):	2.7V
Voltage Dropout (Max):	0.3V @ 500mA
Current - Output:	500mA
Current - Quiescent (Iq):	0.5mA
Current - Supply (Max):	1mA
PSRR:	--
Control Features:	Enable, Soft Start
Protection Features:	Over Current, Over Temperature, Under Voltage Lockout (UVLO)
Operating Temperature:	-10°C ~ 100°C
Mounting Type:	Surface Mount
Package / Case:	8-UDFN Exposed Pad
Supplier Device Package:	8-HSON

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Introduction

The BD3550HFN-TR is a linear voltage regulator designed to provide the best performance in powering a wide range of consumer electronics, consumer electronics with LCD and digital displays, telecommunications and many other applications. It is a member of the ASI (Analog Solutions Inc.) family of voltage regulators, offering a comprehensive range of features, wide input voltage range, precise regulation and high ripple rejection.

Application Fields

This voltage regulator is designed for a variety of applications including consumer electronics, consumer electronics with LCD and digital displays, automotive, networking, telecommunications and many more. It is well suited for demanding applications such as mobile phones, digital cameras, game consoles, DVD recorders and players, computers, set-top boxes, LCD and LED displays, laser printers, and other consumer electronics. In addition, the high precision and ripple rejection provided by the BD3550HFN-TR make it an ideal choice for critical power applications such as medical devices, embedded systems, and Internet of Things (IoT) devices.

Working Principle

The BD3550HFN-TR operates as a linear regulator, meaning that the output voltage is always maintained at a nominal fixed value regardless of variations in the input voltage or load current. The device is based on a high-precision voltage reference, which is used to compare the output voltage of the regulator to the reference voltage. The difference between the output voltage and the reference voltage is amplified by an operational amplifier and then used to drive the pass transistor, which supply current to the output. If the output voltage falls below the reference voltage, the pass transistor is turned on and current is supplied to the output, until the output voltage is equal to the reference voltage.

Protection

The BD3550HFN-TR provides various protection features to protect the device and the system from any damage or malfunction. The device is protected against over-voltage conditions and over-temperature conditions. The device also provides over-current protection, short-circuit protection, and thermal shutdown to protect the device itself from any possible damage and ensures that the regulated voltage is reliable and stable even when the device is subjected to extreme conditions.

Benefits

The BD3550HFN-TR is an ideal regulator for applications that require high efficiency, low noise, and high precision. The device also provides a wide input voltage range and requires less external components for its operation, resulting in a more compact and cost-effective solution. In addition, the device is ESD protected, making it more reliable and durable, and suitable for the most demanding applications. The device also undergoes rigorous quality and reliability tests and is qualified for automotive applications, making it suitable for a wide range of applications in the automotive industry.

Conclusion

The BD3550HFN-TR is an ideal regulator for powering demanding applications such as mobile phones, digital cameras, and medical devices. The device provides a wide input voltage range, precise regulation, and high ripple rejection. In addition, the device provides a variety of protection features and is qualified for automotive applications. The device is well suited for a wide range of applications and can meet the needs of most customers.

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