LM2598S-ADJ/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2598S-ADJ/NOPB is a Texas Instruments SIMPLE SWITCHER step-down switching regulator. It operates with an input voltage range of 4.5 V to 40 V and provides a maximum output current of 1 A. The device features an adjustable output voltage, allowing flexibility in design applications. It utilizes a fixed internal switching frequency of 173 kHz. The component is housed in a TO-263 surface-mount package (DDPAK-7). It supports operation across an extended temperature range from -40 °C to +125 °C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated monolithic power switch capable of delivering up to 1 A load current
• Fixed internal oscillator for simplified external component requirements
• Built-in thermal shutdown circuitry for protection against overheating
• Adjustable output voltage range providing design flexibility

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation modules
• Pre-regulators for switching post-regulators
• Efficient standard 5-V or 12-V bus distribution systems

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'NOPB' indicates lead-free and RoHS compliance status as per manufacturer documentation. Confirm the package variant matches the required TO-263 footprint dimensions. Ensure the adjustable output configuration aligns with the target voltage divider network requirements before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a 1 A buck converter solution is required with an input voltage up to 40 V. The adjustable output feature allows customization for various voltage rails. Consider the 173 kHz switching frequency for balancing efficiency and passive component size. Verify thermal management capabilities are sufficient for the intended ambient operating conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2598 family of SIMPLE SWITCHER regulators. It shares architectural similarities with other members like the LM2596 and LM2595 but offers distinct current ratings and switching frequencies. The series is designed for high-efficiency DC/DC conversion using minimal external components.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2598S-ADJ is the non-RoHS equivalent. LM2596S-ADJ/NOPB offers higher current capacity but different switching characteristics. LM2595S-ADJ/NOPB provides similar functionality with a lower switching frequency.