LM2575HVN-ADJ

Voltage - Output (Min/Fixed):	1.23V
Base Part Number:	LM2575
Supplier Device Package:	16-DIP
Package / Case:	16-DIP (0.300", 7.62mm)
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	No
Frequency - Switching:	52kHz
Current - Output:	1A
Voltage - Output (Max):	57V
Series:	SIMPLE SWITCHER®
Voltage - Input (Max):	60V
Voltage - Input (Min):	4V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Obsolete
Packaging:	Tube

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.LM2575HVN-ADJ is an adjustable switch mode DC-DC regulator, manufactured by Texas Instruments and compliant to the LGA packages. It is often used for general purpose switch mode DC-DC conversion, providing adjustable output voltage and high efficiency. LM2575HVN-ADJ Switching Regulator features high output voltage accuracy, low quiescent current and thermal shutdown. It also features internal soft start, short-circuit protection, over current protection, current sense signal and thermal overload protection, making it suitable for many types of applications.This Switching Regulator chip is designed for use in general-purpose step-down (buck) conversion, providing output voltage which is lower than input voltage. It has been designed for cost-sensitive applications, offering improved performance and extended operational ranges. LM2575HVN-ADJ Switching Regulator provides a wide range of operating conditions, with an output voltage of up to forty-five volts, adjustable over a wide range.LM2575HVN-ADJ Switching Regulator is mainly used in the automotive, industrial and consumer electronics markets. It is used in many applications where efficient telecommunications is required, such as mobile phones and computers.The working principle of LM2575HVN-ADJ is based on two main ideas: the first one is that the output voltage is proportional to the switching frequency, and the second one is that the output voltage is also proportional to the input voltage. The chip contains a circuit with an inductor, a capacitor, and a control logic. This circuit ensures that an appropriate duty cycle is generated. Then, the duty cycle is used to set the output voltage, which is adjusted by the regulation logic (comparator).When switching takes place, the output voltage of the regulator is generated through the inductor and capacitor which provide energy storage. When the switch is disabled, the energy from the inductor is transferred to the output capacitor and the output voltage is regulated. Moreover, the output voltage is also decreased when the switch is enabled so that it follows the commanded input voltage.One of the main advantages of using the LM2575HVN-ADJ Switching Regulator is its high efficiency and performance. Its low quiescent current and thermal shutdown make it suitable for many types of applications and helps to reduce waste. Furthermore, its internal soft start, short-circuit protection, over current protection, current sense signal and thermal overload protection makes it a very reliable choice for a wide range of applications.

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