LM2598SX-12

Voltage - Output (Min/Fixed):	12V
Base Part Number:	LM2598
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:	150kHz
Current - Output:	1A
Voltage - Output (Max):	--
Series:	SIMPLE SWITCHER®
Voltage - Input (Max):	40V
Voltage - Input (Min):	4.5V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

LM2598SX-12 Application Field and Working Principle

Introduction

The LM2598SX-12 is a 3A synchronous step-down voltage regulator integrated circuit that takes a nominal input voltage of 12 volts and converts it to a regulated output of 3.3V, 5V, or 12V by using a buck topology. It is part of Texas Instruments’ LM2598 series of devices, all of which are high-efficiency voltage regulators, optimized for low-cost, system-hook-up, and ease of implementation. The IC can be used for a variety of applications, such as embedded systems, power supplies, battery charging, and other power conversions.

Application Fields

The LM2598SX-12 is designed for low power, space-saving applications. It is especially suitable for applications in the telecommunications, industrial and instrumentation, battery charging, and consumer electronic fields. With its wide input voltage range up to 12 volts and up to 3A current capability, the device can be used in a wide variety of power conversion circuits.The 3A current capability allows the LM2598SX-12 to be used for applications where precise load control and high ripple rejection are required, such as in server and telecom power supplies, industrial instrumentation and medical electronics. In addition, the device is designed to work with a wide input range of up to 12 volts, making it suitable for battery systems, and for applications where high energy efficiency and improved thermal performance are required.

Working Principle

The LM2598SX-12 is a synchronous, 3A, step-down voltage regulator IC. The device works by converting the incoming 12V input to a regulated output based on the voltage selected (3.3V, 5V, or 12V). The device utilizes a buck regulator topology, meaning it utilizes an inductor to store energy during the converter cycle and transform it back to the output voltage.The LM2598SX-12 consists of an error amplifier, a PWM comparator, a reference voltage, and the control logic, which together convert the input voltage to the desired output voltage. The error amplifier is responsible for providing the necessary feedback voltage to the control logic circuit. The PWM comparator takes the output of the error amplifier and compares it to the reference voltage in order to generate the Pulse Width Modulation (PWM) signal. The PWM signal is then used to control the power switch and regulate the output voltage.The device also has several features to improve efficiency, such as built-in frequency compensation, a power-saving sleep mode, and Predictive On-Time control. This makes the device well-suited for a variety of high-efficiency power conversion applications.

Conclusion

The LM2598SX-12 is a high-efficiency, 3A voltage regulator designed for high-voltage and low-power applications. It utilizes a buck regulator topology, making it suitable for a wide range of power conversion applications. The device offers a wide input voltage range up to 12V, and features several features to improve efficiency. The device is an excellent choice for applications in the telecommunications, industrial and instrumentation, battery charging, and consumer electronic fields.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description