LM2575HVT-5.0/NOPB

Voltage - Output (Min/Fixed):	5V
Base Part Number:	LM2575
Supplier Device Package:	TO-220-5
Package / Case:	TO-220-5
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	No
Frequency - Switching:	52kHz
Current - Output:	1A
Voltage - Output (Max):	--
Series:	SIMPLE SWITCHER®
Voltage - Input (Max):	60V
Voltage - Input (Min):	4V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tube

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LM2575HVT-5.0/NOPB Application Field and Working Principle

In today\'s electronic systems, efficient and reliable power management is a vital key to lowering total system power consumption, reducing the number of external power conversion components, and improving end product electrical performance. With the rapid development of advanced energizing systems such as radio frequency (RF) power amplifiers and low-voltage DC/DC converters, the need for robust and capable DC/DC voltage regulators is steadily increasing. Although many standard voltage regulators are available, the LM2575HVT-5.0/NOPB from Texas Instruments provides superior performance in the field of DC/DC voltage regulation.The LM2575HVT-5.0/NOPB is a high-performance positive voltage regulator intended for use in a variety of DC/DC power conversion applications. It is specifically designed to provide a regulated output voltage ranging from 5V to 36V, with current ratings of up to 2A. The device has a wide switching frequency range of 200 kHz to 2 MHz and can be used in a variety of high frequency DC/DC systems including high voltage applications. The device is also capable of delivering output voltages greater than the voltage of the input source.The LM2575HVT-5.0/NOPB is based on a synchronous buck-type switching regulator. This type of regulator uses two MOSFETs in a buck topology circuit to regulate the output voltage. It works by using one MOSFET in the circuit to act as a variable switch and the other as a constant current source. The duty cycle of the variable switch is controlled by the voltage of a reference voltage source. When the input voltage is greater than the reference voltage, the MOSFET controlling the variable switch will turn on, charging the output capacitor. When the input voltage is less than the reference voltage, the MOSFET will turn off and the constant current source will discharge the output capacitor and control the output voltage.The LM2575HVT-5.0/NOPB also uses a current limiting protection circuit to ensure that the maximum output current is not exceeded. The device features an internal safe operating area protection circuit that will limit the peak current drawn by the device. To preserve component performance and reduce the amount of energy lost in the form of heat, the device also features an integrated programmable under-voltage lockout feature.In the application field of DC/DC voltage regulation, the LM2575HVT-5.0/NOPB provides an unparalleled combination of performance, efficiency, and reliability. With its wide range of output voltage and current ratings, it can meet the power requirements of many low-voltage applications including RF power amplifiers and low-voltage DC/DC converters. The device also provides excellent protection from overload conditions by incorporating an internal current limiting protection circuit and a programmable under-voltage lockout feature. This makes the LM2575HVT-5.0/NOPB an ideal choice for use in DC/DC voltage regulation applications.

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