TL2575-ADJINE4 Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock
The TL2575-ADJINE4 is an adjustable step-down switching regulator accepting 4.75 V to 40 V input and delivering 1.23 V to 37 V output at up to 1 A in a 16-pin PDIP package. It uses voltage-mode control for simple external compensation and requires minimal external components. Available from stock worldwide for fast procurement.
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 16
- Lifecycle
- OBSOLETE
- Datasheet
- TL2575-ADJINE4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of TL2575-ADJINE4?
- Adjustable output from 1.23 V to 37 V covers a broad range of power rail requirements
- Wide input voltage range of 4.75 V to 40 V suitable for automotive and industrial supply rails
- 1 A output current in a 16-pin PDIP package for easy through-hole assembly and prototyping
- Voltage-mode control simplifies loop compensation and reduces external component count
What is TL2575-ADJINE4 used for?
The TL2575-ADJINE4 is used in industrial power supplies, battery chargers, and embedded system boards requiring an efficient step-down DC-DC conversion from unregulated or semi-regulated inputs between 4.75 V and 40 V. Its adjustable output makes it versatile for powering microcontrollers, FPGAs, and analog circuits from a single switching stage. The 16-pin DIP package is ideal for laboratory prototyping, educational kits, and low-volume production runs.
What are the specifications of TL2575-ADJINE4?
| YTEOL | 0 |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | VOLTAGE-MODE |
| Input Voltage-Max | 40V |
| Input Voltage-Min | 4.75V |
| Input Voltage-Nom | 12V |
| JESD-30 Code | R-PDIP-T16 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Output Current-Max | 4A |
| Output Voltage-Max | 37V |
| Output Voltage-Min | 1.23V |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Qualification Status | Not Qualified |
| Surface Mount | NO |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 58kHz |
| Technology | BICMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Mexico |
Where can I find the TL2575-ADJINE4 datasheet?
TL2575-ADJINE4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for TL2575-ADJINE4?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What input voltage range does TL2575-ADJINE4 support, and how does that compare to fixed-voltage variants?
The TL2575-ADJINE4 accepts an input voltage range of 4.75 V to 40 V, covering automotive 12 V and 24 V rails as well as unregulated bench supplies. The adjustable version (ADJ) allows output from 1.23 V to 37 V, giving designers more flexibility than fixed-output variants preset at 3.3 V or 5 V.
How much output current can TL2575-ADJINE4 deliver, and for which load profiles is it best suited?
The TL2575-ADJINE4 provides up to 1 A of continuous output current, which is sufficient for powering microcontrollers, sensors, and small logic subsystems. For loads below 500 mA, efficiency is especially high because the switching regulator architecture dissipates far less heat than a linear LDO of the same rating.
What external components are required to set the output voltage of TL2575-ADJINE4?
Setting the output voltage requires two external resistors forming a voltage divider from the output to the feedback pin, plus an output inductor (typically 100 µH to 330 µH) and an output capacitor (typically 100 µF at the rated voltage). This minimal BOM makes the TL2575-ADJINE4 one of the simplest switching regulators to implement in a 4.75 V to 40 V input application.
In which scenarios is TL2575-ADJINE4 a better choice than an LDO regulator for 12 V to 5 V conversion?
When dropping from 12 V to 5 V at 1 A, a linear LDO would dissipate 7 W as heat, requiring a significant heatsink. The TL2575-ADJINE4 switching regulator achieves the same conversion with typical efficiency around 77%, dissipating less than 2 W and eliminating the need for forced air cooling in most industrial enclosures.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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