LM2587SX-12/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2587SX-12/NOPB is a SIMPLE SWITCHER step-up/flyback regulator from Texas Instruments. It operates with an input voltage range of 4 V to 40 V and provides a fixed 12 V output. The device supports up to 6.5 A output current with a switching frequency of 100 kHz. It features internal compensation, a 11 mA operating supply current, and shutdown capability. The component functions within a temperature range of -40 °C to +125 °C and utilizes a TO-263-5 surface-mount package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated high-current switch for efficient power conversion
• Internal frequency compensation simplifies external component requirements
• Built-in thermal shutdown protects against overheating conditions

Voltage Regulators - DC DC Switching Regulators Applications

• Distributed power systems requiring wide input ranges
• Battery-powered applications needing step-up regulation
• Off-line flyback converters prior to rectification

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'SX' indicates tape-and-reel packaging rather than tube. Confirm the 'NOPB' designation ensures lead-free and RoHS compliance as per manufacturer standards. Cross-reference the exact part number with official Texas Instruments documentation to ensure compatibility with design specifications before procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 12 V output is required from a wide 4 V to 40 V input range. It is suitable for designs needing up to 6.5 A output current in a compact surface-mount form factor. Consider the 100 kHz switching frequency for balancing efficiency and passive component size compared to higher-frequency alternatives.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2587 series of SIMPLE SWITCHER regulators, designed for ease of use with minimal external components. The series includes adjustable and fixed voltage variants. The LM2587SX-12/NOPB specifically offers a fixed 12 V output in a reel-packaged TO-263-5 case, distinguishing it from tube-packaged equivalents.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2587S-12/NOPB (Tube Package)

Voltage Regulators - DC DC Switching Regulators FAQ

What is the maximum output current capability?

The device supports an output current of up to 6.5 A.

Does the part include thermal protection?

Yes, the LM2587SX-12/NOPB incorporates internal thermal shutdown circuitry.