LP5900SD-2.0 Equivalent & Substitute Parts

Part Overview

The LP5900SD-2.0 is a linear voltage regulator IC from Texas Instruments designed for positive fixed output applications. It delivers 150mA output current with a fixed 2V output and operates across an input voltage range up to 5.5V. The device features integrated over-temperature and short-circuit protection with an enable control function.

The LP5900SD-2.0 carries an Obsolete product status. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support ongoing production requirements for applications currently utilizing this regulator.

Substiute Parts

LP5900SD-2.0

Texas InstrumentsIn Stock: 955LP5900SD-2.0 Datasheet

Current PartRFQ

LP5900SD-2.0/NOPB

Texas InstrumentsIn Stock: 2567LP5900SD-2.0/NOPB Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the LP5900SD-2.0 are identified based on strict electrical and mechanical parameter matching:

Critical Matching Parameters:

• Output voltage: 2V fixed
• Maximum output current: 150mA
• Maximum input voltage: 5.5V
• Voltage dropout: 0.15V @ 150mA
• Package type: 6-WDFN Exposed Pad (6-WSON 2.2x2.5)
• Mounting type: Surface Mount
• Control features: Enable function
• Protection: Over Temperature and Short Circuit protection

Parts meeting all these parameters are classified as parametric equivalents and may be substituted in applications where the LP5900SD-2.0 is currently specified.

Parameter Comparison

Engineering Selection Recommendations

The LP5900SD-2.0/NOPB is the direct parametric equivalent to the LP5900SD-2.0. Both parts share identical electrical specifications and package configurations. The primary distinction is product status and regulatory compliance.

The LP5900SD-2.0 is classified as Obsolete, indicating discontinued manufacturing and limited availability. The LP5900SD-2.0/NOPB maintains Active product status with current production and full availability.

For new designs or production continuity, the LP5900SD-2.0/NOPB is the appropriate selection. This part carries ROHS3 compliance, meeting current environmental and regulatory requirements, whereas the original LP5900SD-2.0 is RoHS non-compliant. Both parts are REACH Unaffected and carry the same ECCN and HTSUS classifications.

The LP5900SD-2.0/NOPB is supplied in Tape & Reel packaging, standard for production environments, while the LP5900SD-2.0 was supplied in bulk packaging.

Frequently Asked Questions (FAQ)

Q: Can LP5900SD-2.0/NOPB directly replace LP5900SD-2.0 in existing designs?

A: Yes. The LP5900SD-2.0/NOPB is a parametric equivalent with identical electrical performance, output voltage, current rating, dropout voltage, and package configuration. Direct substitution is supported without circuit modification.

Q: What is the difference between LP5900SD-2.0 and LP5900SD-2.0/NOPB?

A: The parts are electrically identical. The primary differences are product status (Obsolete vs. Active), RoHS compliance (non-compliant vs. ROHS3 Compliant), and packaging format (Bulk vs. Tape & Reel). The "/NOPB" designation indicates lead-free, halogen-free packaging.

Q: Are there any package or pinout differences?

A: No. Both parts use the 6-WDFN Exposed Pad package with identical 2.2x2.5mm dimensions and pinout configuration. PCB layout and footprints are fully compatible.

Q: Why is the original LP5900SD-2.0 marked as Obsolete?

A: The LP5900SD-2.0 has been discontinued by Texas Instruments. The LP5900SD-2.0/NOPB represents the current production equivalent with updated compliance certifications.

Q: Can I use LP5900SD-2.0/NOPB in applications requiring RoHS compliance?

A: Yes. The LP5900SD-2.0/NOPB is ROHS3 Compliant and meets current environmental regulations. The original LP5900SD-2.0 is not RoHS compliant and should not be used in applications with RoHS requirements.