TL750M05CKTER Equivalent & Substitute Parts

Part Overview

The TL750M05CKTER is a linear voltage regulator IC from Texas Instruments, designed to deliver a fixed 5V output at 750mA with integrated protection features including over-current, over-temperature, over-voltage, and reverse-polarity protection. The device is housed in a 3-PowerFLEX™ package (TO-252-4, DPAK) for surface mount applications.

This part is classified as obsolete. Identifying equivalent substitute parts is necessary to maintain design continuity, ensure supply chain reliability, and support ongoing production or maintenance requirements for systems utilizing this regulator.

Substiute Parts

TL750M05CKTER

Texas InstrumentsIn Stock: 814TL750M05CKTER Datasheet

Current PartRFQ

MIC2937A-5.0WU

Microchip TechnologyIn Stock: 12538MIC2937A-5.0WU Datasheet

DirectRFQ

MIC2937A-5.0WU-TR

Microchip TechnologyIn Stock: 2411MIC2937A-5.0WU-TR Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the TL750M05CKTER are qualified based on the following electrical and mechanical parameters:

• Fixed 5V output voltage
• 750mA output current capability
• Maximum input voltage of 26V
• Surface mount packaging with compatible pinout (TO-263 family, D2PAK configuration)
• Positive fixed output configuration with single regulator
• ROHS3 compliance and equivalent moisture sensitivity level (MSL 3)

The substitute parts identified are Microchip Technology MIC2937A-5.0WU and MIC2937A-5.0WU-TR. Both devices meet the core electrical specifications and are available in functionally equivalent packaging. The primary difference between these substitutes is packaging format: tube versus tape & reel.

Parameter Comparison

Engineering Selection Recommendations

Both MIC2937A-5.0WU and MIC2937A-5.0WU-TR are active, production-supported devices from Microchip Technology and represent viable substitutes for the obsolete TL750M05CKTER. Selection between the two Microchip variants depends on procurement and assembly requirements:

• MIC2937A-5.0WU (Tube packaging) is suitable for lower-volume applications or manual assembly processes.
• MIC2937A-5.0WU-TR (Tape & Reel packaging) is optimized for automated pick-and-place assembly and higher-volume production runs.

Both devices maintain ROHS3 compliance and equivalent moisture sensitivity ratings. The MIC2937A series operates across an extended temperature range (-40°C to 125°C) compared to the original part (0°C to 125°C), providing additional margin for low-temperature applications. The voltage dropout specification for MIC2937A-5.0WU-TR (0.75V @ 750mA) is marginally higher than the original TL750M05CKTER (0.6V @ 750mA); this difference is within acceptable tolerance for most 5V regulator applications but should be verified against specific thermal and power dissipation requirements in the target circuit.

Frequently Asked Questions (FAQ)

Q: Can MIC2937A-5.0WU and MIC2937A-5.0WU-TR be used interchangeably?

A: Yes, electrically and functionally they are identical. The difference is packaging format only. MIC2937A-5.0WU comes in tube packaging, while MIC2937A-5.0WU-TR is supplied in tape & reel format. Selection depends on assembly method and volume requirements.

Q: Are the package pinouts compatible between TL750M05CKTER and MIC2937A substitutes?

A: Both the original TL750M05CKTER (TO-252-4, DPAK) and the MIC2937A substitutes (TO-263-4, D2PAK) use the same 3-lead plus tab configuration. PCB footprints are compatible, though physical dimensions should be verified for tight layout constraints.

Q: What is the impact of the higher voltage dropout in MIC2937A-5.0WU-TR?

A: The MIC2937A-5.0WU-TR specifies 0.75V dropout at 750mA, compared to 0.6V for the original part. This 0.15V difference results in approximately 112.5mW additional power dissipation at full load. Thermal design should account for this increase; however, for most standard 5V regulator applications, this is within acceptable margins.

Q: Why does MIC2937A-5.0WU not specify voltage dropout?

A: The datasheet for MIC2937A-5.0WU does not provide a dropout specification in the supplied parameters. For applications where dropout is critical, MIC2937A-5.0WU-TR is the recommended choice, as it specifies 0.75V @ 750mA.

Q: Are there differences in protection features between the original and substitute parts?

A: The TL750M05CKTER includes over-voltage and reverse-polarity protection in addition to over-current and over-temperature protection. The MIC2937A series specifies only over-current and over-temperature protection. If over-voltage or reverse-polarity protection is required by the application, external protection circuitry may be necessary when using MIC2937A substitutes.

Q: What is the operating temperature range difference?

A: The original TL750M05CKTER operates from 0°C to 125°C. Both MIC2937A substitutes operate from -40°C to 125°C, providing extended low-temperature capability. This is advantageous for applications requiring operation in cold environments.