LM2588S-3.3/NOPB

Voltage - Output (Min/Fixed):	3.3V
Base Part Number:	LM2588
Supplier Device Package:	DDPAK/TO-263-7
Package / Case:	TO-263-8, D²Pak (7 Leads + Tab), TO-263CA
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	No
Frequency - Switching:	100kHz ~ 200kHz
Current - Output:	5A (Switch)
Voltage - Output (Max):	--
Series:	SIMPLE SWITCHER®
Voltage - Input (Max):	40V
Voltage - Input (Min):	4V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Boost, Flyback, Forward Converter
Output Configuration:	Positive
Function:	Step-Up, Step-Up/Step-Down
Part Status:	Active
Packaging:	Tube

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LM2588S-3.3/NOPB Application Field and Working Principle

PMICs (Power Management ICs) are essential components in many modern electrical and electronic products, from smartphones to media players. One of the most popular types of PMICs is Voltage Regulators. They provide a regulated output voltage from an unregulated input voltage, ensuring the output voltage always remains within a certain range. In addition, some voltage regulators also provide load current regulation, enabling them to maintain a constant current delivery, even when the load conditions change. One of the most popular types of voltage regulators is DC-DC switching regulators.The LM2588S-3.3/NOPB is a high efficiency DC-DC switching regulator with a wide input voltage range and a maximum output current of 3A. It is designed to provide excellent power saving performance and exceptional EMI (Electro-Magnetic Interference) performance. The input voltage range is 4.5V to 30V, making it suitable for applications powered by almost any type of battery or power supply. The output voltage is adjustable from 0.8V to 23V, making it suitable for a wide range of applications.In order to understand how the LM2588S-3.3/NOPB operates, it is important to understand the basic principles of DC-DC Switching Regulators. In general, DC-DC switching regulators use an electrical switch (typically a MOSFET) and an inductor to transfer energy from the input to the output. When the switch is closed, energy is transferred from the input to the output via the inductor (the voltage at the output is higher than the voltage at the input). When the switch is open, energy is released from the output via the inductor (the voltage at the output is lower than the voltage at the input). This process is repeated at a high frequency, providing the output voltage with a certain level of current regulation.The LM2588S-3.3/NOPB is an advanced switching regulator featuring an internal current sensing circuit, an internal compensation network, and an output current limit circuit. The current sensing circuit monitors the current passing through the output of the regulator and compensates for changes in the current passing through the output, ensuring the output voltage is always within the desired range. The internal compensation network enables the LM2588S-3.3/NOPB to respond quickly to changes in the load conditions without any external components. Finally, the output current limit circuit prevents the output from exceeding the maximum specified current.In summary, the LM2588S-3.3/NOPB is a highly efficient DC-DC switching regulator capable of providing a regulated output voltage from an unregulated input voltage. It has an extensive input voltage range, adjustable output voltage, and a current limiting circuit. Its combination of features makes it suitable for a wide range of applications, from handheld devices to high power systems.

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