Voltage - Output (Min/Fixed):	1.225V
Base Part Number:	LM25576
Supplier Device Package:	20-HTSSOP
Package / Case:	20-PowerTSSOP (0.173", 4.40mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	No
Frequency - Switching:	50kHz ~ 1MHz
Current - Output:	3A
Voltage - Output (Max):	40V
Series:	SIMPLE SWITCHER®
Voltage - Input (Max):	42V
Voltage - Input (Min):	6V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tube

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LM25576MH/NOPB Application Field and Working Principle

The LM25576MH/NOPB is a DC-DC switching regulator designed for use in low I/O count, low power applications. It is capable of delivering up to 3A of current at an output voltage up to 24V. It is mainly used in applications such as servers, industrial and embedded systems, and consumer electronics.The LM25576MH/NOPB is a current-mode switching regulator, which means it uses a switch and a sense resistor to regulate the current flow. When the current flow exceeds a preset threshold, the switch is turned off and the voltage is allowed to drop until it reaches the desired output voltage. The sense resistor is used to detect the current flow and control the on/off switching of the switch.The LM25576MH/NOPB has a few features that make it suitable for low power applications. First, it has a low standby current draw of only 1mA. This low standby current draw enables the device to be used in low input voltage applications, such as those powered by battery. Second, it has a current limit of 3A, which allows it to remain within its ratings even at high output voltages. Third, it has a wide input voltage range of 4.5V to 42V, which makes it suitable for many different types of external power sources.The LM25576MH/NOPB also has a number of unique features that make it an ideal choice for applications that require a high degree of precision. It has an accuracy of ±3%, which means that the output voltage is within 3% of the desired output voltage. It also has a transient response of 1.5 μs, which makes it more suitable for applications that require a fast response time. It also has an adjustable reference voltage, which allows the output voltage to be easily adjusted to achieve desired performance parameters.The LM25576MH/NOPB also has other features that make it an attractive option for DC-DC switching regulators. It has an enable/disable function, which allows the user to turn the device off and on quickly. It has a wide operating temperature range of -40 to +85 °C, which makes it suitable for many different types of applications. Finally, it has flexible protection features, such as over current, over temperature, and under voltage lockout.In conclusion, the LM25576MH/NOPB DC-DC switching regulator is an ideal choice for low I/O count, low power applications. Its features make it suitable for many different types of applications, and it is relatively inexpensive compared to other switching regulators. Its low standby current draw, wide input voltage range, accurate voltage regulation, and other features make it an excellent choice for applications that require precise performance.

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