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TL2575-ADJING4 Equivalent & Substitute Parts
Part Overview
The TL2575-ADJING4 is a buck switching regulator IC from Texas Instruments designed for positive adjustable output applications. This component functions as a step-down converter with a fixed output of 1.23V and supports adjustable configurations up to 37V, delivering 1A of output current. The part is currently discontinued at DiGi Electronics, making identification of equivalent substitutes essential for ongoing design support and procurement.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Category | Power Management (PMIC) |
| Function | Step-Down (Buck) |
| Output Configuration | Positive Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min/Max) | 4.75V to 40V |
| Voltage - Output (Min/Max) | 1.23V to 37V |
| Current - Output | 1A |
| Frequency - Switching | 52kHz |
| Operating Temperature | -40°C to 125°C (TJ) |
| Package / Case | 16-DIP (0.300", 7.62mm) |
| Mounting Type | Through Hole |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution of the TL2575-ADJING4 is determined by strict equivalence across the following critical parameters:
- Identical base product number (TL2575 series)
- Matching output topology (buck converter, positive adjustable)
- Equivalent input voltage range (4.75V to 40V)
- Equivalent output voltage range (1.23V to 37V)
- Identical output current rating (1A)
- Identical switching frequency (52kHz)
- Identical package and pinout (16-DIP, 0.300", 7.62mm)
- Identical operating temperature range (-40°C to 125°C)
- Compliance with ROHS3 and REACH standards
The TL2575-ADJIN meets all substitution criteria as a direct equivalent part from the same manufacturer and product series.
Parameter Comparison
| Parameter | TL2575-ADJING4 (Main) | TL2575-ADJIN (Substitute) | Match |
|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Yes |
| Function | Step-Down | Step-Down | Yes |
| Output Configuration | Positive Adjustable | Positive Adjustable | Yes |
| Number of Outputs | 1 | 1 | Yes |
| Voltage - Input (Min) | 4.75V | 4.75V | Yes |
| Voltage - Input (Max) | 40V | 40V | Yes |
| Voltage - Output (Min/Fixed) | 1.23V | 1.23V | Yes |
| Voltage - Output (Max) | 37V | 37V | Yes |
| Current - Output | 1A | 1A | Yes |
| Frequency - Switching | 52kHz | 52kHz | Yes |
| Operating Temperature | -40°C to 125°C | -40°C to 125°C | Yes |
| Package / Case | 16-DIP (0.300", 7.62mm) | 16-DIP (0.300", 7.62mm) | Yes |
| Mounting Type | Through Hole | Through Hole | Yes |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | Yes |
| REACH Status | REACH Unaffected | REACH Unaffected | Yes |
| Product Status | Discontinued at DiGi Electronics | Active | Functional Advantage |
Engineering Selection Recommendations
The TL2575-ADJIN is a direct functional equivalent to the TL2575-ADJING4 and serves as the primary substitute for this discontinued part. Both components share identical electrical specifications, package geometry, and thermal characteristics. The TL2575-ADJIN maintains active product status with current manufacturer support, providing supply chain continuity for applications currently using the TL2575-ADJING4.
Both parts comply with ROHS3 and REACH regulatory requirements, ensuring compatibility with modern manufacturing and environmental standards. The through-hole 16-DIP package format is identical between both parts, allowing direct board-level substitution without layout modifications.
Frequently Asked Questions (FAQ)
Q: Can the TL2575-ADJIN be used as a direct replacement for the TL2575-ADJING4?
A: Yes. The TL2575-ADJIN is electrically and mechanically equivalent to the TL2575-ADJING4. All critical parameters including input/output voltage ranges, output current, switching frequency, operating temperature, and package specifications are identical. Pin-for-pin compatibility is maintained.
Q: What is the difference between TL2575-ADJING4 and TL2575-ADJIN?
A: The primary difference is product status. The TL2575-ADJING4 is discontinued, while the TL2575-ADJIN remains in active production. The packaging designation differs (G4 versus standard), but electrical and functional specifications are identical.
Q: Are there any compliance or certification differences?
A: No. Both parts carry identical ROHS3 compliance and REACH unaffected status. Regulatory and environmental certifications are equivalent.
Q: Can I use these parts interchangeably in my PCB design?
A: Yes. The 16-DIP (0.300", 7.62mm) package and pinout are identical. No PCB modifications are required for substitution.
Q: What inventory status should I expect?
A: The TL2575-ADJIN is currently in active production with available inventory. The TL2575-ADJING4 is discontinued and inventory is limited.
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