LM5000SD-6/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM5000SD-6/NOPB is a high-voltage switching regulator from Texas Instruments, designed for boost and flyback topologies. It operates with an input voltage range of 3.1 V to 40 V and delivers up to 2 A output current. The device features a fixed internal switching frequency between 600 kHz and 1.3 MHz, enabling compact passive component selection. It includes a shutdown function and operates within a junction temperature range of -40°C to +125°C. Packaged in a 16-pin WSON (5x5 mm) surface-mount case, it supports adjustable output voltages starting from 1.295 V.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Supports non-synchronous current mode control for boost and flyback converter applications
• Integrated high-side N-channel MOSFET driver capable of handling wide input voltage ranges
• Includes programmable soft-start and cycle-by-cycle current limiting protection

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial power supplies requiring high input voltage tolerance
• Automotive electronics systems operating under varying load conditions
• Point-of-load regulation modules for distributed power architectures

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'SD-6' against the official Texas Instruments datasheet to confirm the fixed switching frequency range of 600 kHz to 1.3 MHz. Ensure the WSON-16 package dimensions match your PCB footprint requirements. Confirm RoHS compliance status through the manufacturer's latest documentation before finalizing procurement specifications.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing circuits that require a wide input voltage range up to 40 V with moderate output current capabilities. The fixed higher-frequency operation reduces external inductor size compared to lower-frequency variants. Consider thermal management strategies due to the dense WSON-16 package layout and potential heat dissipation during high-load operations.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM5000 family of high-voltage switch-mode regulators. Unlike the LM5001 which supports SEPIC and inverting topologies, the LM5000 focuses on boost and flyback configurations. The SD-6 variant specifically denotes the WSON-16 package and the 600 kHz–1.3 MHz frequency band, distinguishing it from other frequency options in the series.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM5000SD-3/NOPB offers a lower switching frequency range of 300 kHz to 700 kHz in the same WSON-16 package. LM5000-3MTC/NOPB provides similar electrical characteristics but utilizes a TSSOP-16 package instead of WSON-16. Verify pinout compatibility and thermal performance when substituting these alternatives.