LM2576D2T-005 Equivalent & Substitute Parts

Part Overview

The LM2576D2T-005 is a buck switching regulator IC from onsemi, designed for step-down voltage conversion with a fixed 5V output at 3A maximum current. The device operates across an input voltage range of 7V to 40V and features a 52kHz switching frequency. It is packaged in a D2PAK-5 (TO-263-6) surface mount configuration suitable for power management applications requiring compact form factors.

The LM2576D2T-005 is classified as obsolete. Identifying equivalent 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

LM2576D2T-005

onsemiIn Stock: 1000303LM2576D2T-005 Datasheet

Current PartRFQ

LM2576D2T-005G

onsemiIn Stock: 5000408LM2576D2T-005G Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the LM2576D2T-005 are identified based on strict electrical and mechanical parameter matching. The following criteria determine substitution eligibility:

Critical Matching Parameters:

• Function: Step-Down (Buck) topology
• Output Configuration: Positive or Negative
• Output Type: Fixed at 5V
• Number of Outputs: Single output
• Voltage - Input Range: 7V minimum to 40V maximum
• Current - Output: 3A rating
• Frequency - Switching: 52kHz
• Operating Temperature Range: -40°C to 125°C (TJ)
• Package / Case: TO-263-6, D2PAK (5 Leads + Tab)
• Mounting Type: Surface Mount

All substitute parts listed below meet these electrical and mechanical specifications without deviation.

Parameter Comparison

Engineering Selection Recommendations

The LM2576D2T-005G is a direct substitute for the LM2576D2T-005. Both parts are manufactured by onsemi and share identical electrical specifications and physical packaging.

The primary distinction between these parts is product lifecycle status and compliance certification. The LM2576D2T-005 is obsolete and carries RoHS non-compliant status. The LM2576D2T-005G maintains active manufacturing status and meets ROHS3 compliance requirements, making it the preferred selection for new designs and ongoing production where regulatory compliance is required.

Both parts are REACH Unaffected and classified under ECCN EAR99. The LM2576D2T-005G is supplied in tube packaging, whereas packaging information for the original part is not specified.

Frequently Asked Questions (FAQ)

Q: Can the LM2576D2T-005G be used as a direct replacement for the LM2576D2T-005?

A: Yes. The LM2576D2T-005G is electrically and mechanically identical to the LM2576D2T-005. Both devices feature the same 5V fixed output, 3A current rating, 52kHz switching frequency, 7V to 40V input range, and D2PAK-5 package. No circuit modifications are required for substitution.

Q: What is the difference between these two part numbers?

A: The LM2576D2T-005G is the active production variant of the LM2576D2T-005. The primary differences are product status (active versus obsolete) and RoHS compliance (ROHS3 compliant versus non-compliant). The electrical and mechanical specifications are identical.

Q: Why is the original part marked as obsolete?

A: The LM2576D2T-005 has reached end-of-life status in onsemi's product portfolio. The LM2576D2T-005G represents the current active equivalent and should be used for all new designs and ongoing production requirements.

Q: Are there any package or pinout differences?

A: No. Both parts use the TO-263-6 D2PAK (5 Leads + Tab) surface mount package with identical pinout and mechanical dimensions. PCB layout and component placement require no modification.

Q: What compliance certifications apply to the substitute part?

A: The LM2576D2T-005G is ROHS3 compliant, REACH Unaffected, and classified as EAR99 for export control purposes. The original LM2576D2T-005 is RoHS non-compliant but shares the same REACH and ECCN status.

Q: Is inventory availability a consideration for selection?

A: Both parts show substantial inventory availability. The LM2576D2T-005G has 5,000,300 pieces in stock, while the original part has 1,000,200 pieces available. For long-term supply chain stability, the active production status of the LM2576D2T-005G is the determining factor.