LM2599S-12

Voltage Regulators - DC DC Switching Regulators Overview

The LM2599S-12/NOPB is a SIMPLE SWITCHER power converter from Texas Instruments, functioning as a step-down voltage regulator. It accepts an input voltage range of 4.5 V to 40 V and provides a fixed 12 V output with a maximum current capacity of 3 A. The device operates at a switching frequency of 150 kHz and utilizes a TO-263-8 (D2PAK) surface-mount package. It supports junction temperatures from -40 °C to +125 °C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated monolithic switching regulator designed for high-efficiency step-down conversion
• Includes internal feedback reference and error amplifier for precise regulation
• Features thermal shutdown protection to safeguard against overheating conditions

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load DC/DC conversion modules
• Pre-regulator stages for linear regulators
• Efficient battery-powered systems requiring voltage reduction

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the complete part number suffix, such as /NOPB, to confirm lead-free compliance and specific packaging options like tubes or reels. Confirm the manufacturer source directly through authorized distributors to ensure component authenticity and traceability before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 12 V output is required from a higher input rail up to 40 V. Ensure the application demands a continuous load current within the 3 A limit. Verify that the TO-263 package footprint aligns with the PCB layout constraints and thermal management requirements of the design.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LM2599 family of SIMPLE SWITCHER converters, which are widely used for efficient power management in industrial and commercial applications. The 'S' suffix indicates the surface-mount D2PAK package variant, distinguishing it from through-hole versions while maintaining identical electrical performance characteristics.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct functional equivalents include the LM2599SX-12/NOPB for reel-packaged units. Cross-reference with other SIMPLE SWITCHER buck regulators if pin compatibility or specific thermal characteristics differ significantly in the target application environment.