Voltage - Output (Min/Fixed):	12V
Base Part Number:	LM2594
Supplier Device Package:	8-PDIP
Package / Case:	8-DIP (0.300", 7.62mm)
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	No
Frequency - Switching:	150kHz
Current - Output:	500mA
Voltage - Output (Max):	--
Series:	SIMPLE SWITCHER®
Voltage - Input (Max):	60V
Voltage - Input (Min):	4.5V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tube

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Introduction

The LM2594HVN-12/NOPB is a high performance monolithic synchronous step-down regulator. It offers an adjustable output voltage (1.23V to 37V) while providing excellent line and load regulation. The LM2594HVN-12/NOPB is a new generation of high-performance switching voltage regulator ICs that has been developed to meet the evolving needs of advanced low voltage microprocessor and digital signal processor (DSP) systems.

PMIC - Voltage Regulators - DC DC Switching Regulators

A PMIC (Power Management Integrated Circuit) is an integrated circuit (IC) designed for managing and regulating the power supply to a digital circuit. PMICs are widely used in both AC-DC and DC-DC power supply applications. DC-DC switching regulators are an efficient, compact, and cost-effective PMIC that uses switches to control a power supply in order to regulate an output voltage from a battery or other source. The LM2594HVN-12/NOPB is an excellent example of such a regulator.

Application Field

The LM2594HVN-12/NOPB is specifically designed to provide a high voltage output with a wide input voltage range and superior load and line regulation. As such, it is ideally suited for a wide variety of applications, including processor-based computer and lithium-ion battery powered systems. It is also used in applications that require a highly reliable and accurate voltage regulation, such as motor control, telecom and networking equipment, instrumentation, audio/video systems, etc.

Working Principle

The LM2594HVN-12/NOPB control voltage or current with a duty cycle signal generated by an internal oscillator. This oscillator has a frequency of 400 kHz, meaning that a complete switching cycle (on/off) occurs every 2.5 μs (microseconds). The voltage or current that is being switched is determined by two parameters - the duty cycle and the frequency. The duty cycle determines the amount of time the switch is on and off, while the frequency determines how many switching cycles occur per second.The LM2594HVN-12/NOPB uses a synchronous buck converter topology, which is a type of DC-DC converter that uses an inductor to store electrical energy. The voltages and currents in a buck converter are regulated by switching on and off the inductor, which then stores and releases the energy in the system as required. The LM2594HVN-12/NOPB is designed to provide high voltage output with a wide input voltage range and excellent line and load regulation, which makes it ideal for use in processor-based computer and lithium-ion powered systems.

Conclusion

The LM2594HVN-12/NOPB is a high performance monolithic synchronous step-down regulator. It offers an adjustable output voltage (1.23V to 37V) while providing excellent line and load regulation, making it ideal for use in processor-based computer and lithium-ion powered systems. It is a new generation of high-performance switching voltage regulator ICs that has been specifically designed to meet the evolving needs of advanced low voltage microprocessor and digital signal processor (DSP) systems. Additionally, its synchronous buck converter topology is capable of providing high voltage output with a wide input voltage range and excellent line and load regulation, further enhancing its ability to meet the demands of high power systems applications.

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