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TL-SCSI285KC Equivalent & Substitute Parts
Part Overview
The TL-SCSI285KC is a linear voltage regulator IC from Texas Instruments designed for positive fixed output applications. This device delivers 620mA output current at a fixed 2.85V output voltage with a maximum dropout voltage of 0.8V. The part is classified as obsolete, making identification of active equivalent substitutes essential for ongoing production and maintenance applications.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | TL-SCSI285KC |
| Manufacturer | Texas Instruments |
| Category | Power Management (PMIC) |
| Package / Case | TO-220-3 |
| Output Configuration | Positive |
| Output Type | Fixed |
| Voltage - Output (Min/Fixed) | 2.85V |
| Voltage - Input (Max) | 5.5V |
| Current - Output | 620mA |
| Voltage Dropout (Max) | 0.8V @ 620mA |
| PSRR | 62dB (120Hz) |
| Protection Features | Over Current, Over Temperature, Over Voltage |
| Operating Temperature | 0°C ~ 125°C |
| Product Status | Obsolete |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution of the TL-SCSI285KC is determined by strict equivalence across the following critical parameters:
- Output voltage: 2.85V fixed
- Maximum output current: 620mA
- Maximum input voltage: 5.5V
- Maximum dropout voltage: 0.8V @ 620mA
- Package type: TO-220-3 through-hole mounting
- Protection features: Over Current, Over Temperature, Over Voltage
- Operating temperature range: 0°C ~ 125°C
- PSRR performance: 62dB (120Hz)
The TL-SCSI285KCSE3 meets all these electrical and mechanical specifications, making it a direct functional equivalent. The primary distinction is product status: TL-SCSI285KCSE3 is active production, whereas TL-SCSI285KC is obsolete.
Parameter Comparison
| Parameter | TL-SCSI285KC | TL-SCSI285KCSE3 |
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments |
| Category | Power Management (PMIC) | Power Management (PMIC) |
| Package / Case | TO-220-3 | TO-220-3 |
| Output Configuration | Positive | Positive |
| Output Type | Fixed | Fixed |
| Voltage - Output (Min/Fixed) | 2.85V | 2.85V |
| Voltage - Input (Max) | 5.5V | 5.5V |
| Current - Output | 620mA | 620mA |
| Voltage Dropout (Max) | 0.8V @ 620mA | 0.8V @ 620mA |
| PSRR | 62dB (120Hz) | 62dB (120Hz) |
| Protection Features | Over Current, Over Temperature, Over Voltage | Over Current, Over Temperature, Over Voltage |
| Operating Temperature | 0°C ~ 125°C | 0°C ~ 125°C |
| Product Status | Obsolete | Active |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| REACH Status | REACH Unaffected | REACH Unaffected |
Engineering Selection Recommendations
The TL-SCSI285KCSE3 is the direct active substitute for the obsolete TL-SCSI285KC. Both parts are manufactured by Texas Instruments and share identical electrical specifications and TO-220-3 package configuration. The TL-SCSI285KCSE3 maintains full ROHS3 compliance and REACH unaffected status, meeting current regulatory requirements for new designs and production continuity.
Selection of TL-SCSI285KCSE3 is appropriate for applications requiring 2.85V fixed output regulation at 620mA with integrated thermal and current protection. The active product status ensures ongoing availability and manufacturing support.
Frequently Asked Questions (FAQ)
Q: Can TL-SCSI285KCSE3 be used as a direct replacement for TL-SCSI285KC?
A: Yes. Both parts deliver identical electrical performance: 2.85V fixed output, 620mA maximum current, 0.8V maximum dropout voltage, and TO-220-3 package configuration. The TL-SCSI285KCSE3 is the active production equivalent.
Q: What is the difference between TL-SCSI285KC and TL-SCSI285KCSE3?
A: The primary difference is product status. TL-SCSI285KC is obsolete; TL-SCSI285KCSE3 is active production. All electrical and mechanical specifications are identical.
Q: Are there packaging differences between these parts?
A: Both parts use TO-220-3 through-hole package configuration. TL-SCSI285KCSE3 is supplied in tube packaging, while TL-SCSI285KC packaging is not specified in available data.
Q: Do both parts meet current compliance standards?
A: Yes. Both TL-SCSI285KC and TL-SCSI285KCSE3 are ROHS3 compliant and REACH unaffected.
Q: What protection features are included in these regulators?
A: Both parts include over current, over temperature, and over voltage protection.
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