LM5000SD-6 Equivalent & Substitute Parts

Part Overview

The LM5000SD-6 is a Boost, Flyback, and Forward Converter Switching Regulator IC manufactured by Texas Instruments, designed for multi-configuration power management applications. It provides positive adjustable output voltage regulation with a single output delivering 1.35A switch current. The device operates across a wide input voltage range of 3.1V to 40V and supports output voltages from 3.1V to 80V, making it suitable for diverse power conversion topologies.

The LM5000SD-6 is classified as Obsolete. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and access components with active manufacturing status and current compliance certifications.

Substiute Parts

LM5000SD-6

Texas InstrumentsIn Stock: 2098LM5000SD-6 Datasheet

Current PartRFQ

LM5000SD-6/NOPB

Texas InstrumentsIn Stock: 3659LM5000SD-6/NOPB Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the LM5000SD-6 is determined by strict equivalence across the following critical parameters:

Electrical Specifications: Input voltage range (3.1V to 40V), output voltage range (3.1V to 80V), output current (1.35A switch), switching frequency (600kHz, 1.3MHz), and topology support (Boost, Flyback, Forward Converter).

Mechanical Compatibility: Package type (16-WFDFN Exposed Pad), supplier device package (16-WSON 5x5), and mounting type (Surface Mount).

Functional Requirements: Single positive adjustable output, step-up and step-up/step-down capability, and absence of synchronous rectifier.

Environmental & Compliance: Operating temperature range (-40°C to 125°C), MSL rating (1 - Unlimited), and regulatory compliance status.

The substitute part LM5000SD-6/NOPB maintains identical electrical and mechanical specifications while offering improved product status and compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

The LM5000SD-6/NOPB is the direct substitute for the LM5000SD-6. Both parts are manufactured by Texas Instruments and share identical electrical and mechanical specifications, ensuring functional equivalence in all power management applications.

The primary distinction between these parts is product lifecycle status and compliance certification. The LM5000SD-6 is classified as Obsolete, while the LM5000SD-6/NOPB maintains Active status with current manufacturing support. Additionally, the LM5000SD-6/NOPB carries ROHS3 compliance certification, whereas the original LM5000SD-6 is RoHS non-compliant.

For new designs and ongoing production, the LM5000SD-6/NOPB is the appropriate selection. For legacy systems currently using the LM5000SD-6, direct substitution with LM5000SD-6/NOPB is electrically and mechanically compatible without design modification.

Frequently Asked Questions (FAQ)

Q: Are LM5000SD-6 and LM5000SD-6/NOPB electrically interchangeable?

A: Yes. Both parts deliver identical electrical performance across all specified parameters: input voltage range (3.1V to 40V), output voltage range (3.1V to 80V), output current (1.35A), switching frequency (600kHz, 1.3MHz), and topology support (Boost, Flyback, Forward Converter).

Q: Can LM5000SD-6/NOPB be used as a direct replacement in existing designs?

A: Yes. The LM5000SD-6/NOPB is mechanically and electrically identical to the LM5000SD-6. No PCB redesign or circuit modification is required. Both parts use the same 16-WSON (5x5) package with 16-WFDFN Exposed Pad configuration.

Q: What is the difference between LM5000SD-6 and LM5000SD-6/NOPB?

A: The primary differences are product status and compliance. The LM5000SD-6/NOPB is Active with ROHS3 compliance, while the LM5000SD-6 is Obsolete and RoHS non-compliant. The /NOPB suffix indicates Tape & Reel packaging format, whereas the original part is supplied in bulk.

Q: Why is the LM5000SD-6 marked as Obsolete?

A: Obsolete status indicates the manufacturer has discontinued active production. The LM5000SD-6/NOPB remains in active production and is the recommended part for all new applications.

Q: Are there any thermal or environmental differences between these parts?

A: No. Both parts operate across the identical temperature range (-40°C to 125°C junction temperature) and share the same MSL rating of 1 (Unlimited moisture sensitivity level).

Q: What packaging formats are available?

A: The LM5000SD-6 is supplied in bulk packaging. The LM5000SD-6/NOPB is supplied in Tape & Reel (TR) format, which is standard for automated assembly processes.