LM2598S-12

Voltage Regulators - DC DC Switching Regulators Overview

The LM2598S-12/NOPB is a SIMPLE SWITCHER power converter from Texas Instruments, functioning as a fixed step-down voltage regulator. It accepts an input voltage range of 4.5 V to 40 V and provides a fixed 12 V output at a maximum current of 1 A. The device operates with a typical switching frequency of 150 kHz. It utilizes a TO-263 (DDPAK-7) surface-mount package. The component supports an operating junction temperature range from -40 °C to +125 °C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a monolithic switching regulator for simplified design
• Includes internal frequency compensation and fixed-frequency oscillator
• Features thermal shutdown and current limit protection

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation modules
• Pre-regulators for switching regulators
• Efficient straight-through DC/DC converters

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix against official datasheets to confirm pinout compatibility and electrical tolerances. Ensure the ordering part number matches the required output voltage variant within the family. Confirm RoHS compliance status through manufacturer documentation prior to integration.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 12 V output is required from a high-voltage bus up to 40 V. The 1 A current rating suits moderate load applications. Consider the TO-263 package for thermal management needs in space-constrained designs requiring surface mount assembly.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the SIMPLE SWITCHER family, designed to reduce design complexity by integrating control circuitry. It serves as a cost-effective alternative to discrete solutions, offering high efficiency and reduced external component count compared to linear regulators in high differential voltage scenarios.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2598S-12/NOPB is the direct lead-free replacement for LM2598S-12. LM2598SX-12/NOPB offers identical electrical specifications in a tape-and-reel packaging format.