TL317PSRG4 Texas Instruments Integrated Circuit (Other) In Stock
The TL317PSRG4 is a 3-terminal adjustable linear voltage regulator from Texas Instruments featuring a 5V dropout voltage and up to 35V input-to-output differential for flexible DC regulation. It provides 0.05%/V line regulation and 4.16% load regulation in an 8-pin package with RoHS-compliant construction. Available in stock worldwide with competitive pricing and global shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- TL317PSRG4 Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of TL317PSRG4?
- Adjustable output voltage with 5V nominal dropout enables flexible regulation across a wide range of application voltages
- Up to 35V input-to-output differential supports operation from high-voltage supply rails with excellent 0.05%/V line regulation
- RoHS-compliant construction (JESD-609 e4) meets modern environmental requirements while maintaining robust 4.16% load regulation
What is TL317PSRG4 used for?
The TL317PSRG4 is ideal for benchtop power supplies, battery chargers, and general-purpose DC-DC linear regulation circuits where adjustable output voltage is required. Its wide input-to-output differential of up to 35V makes it suitable for regulating industrial and laboratory equipment powered from higher voltage rails. The part is also used in LED driver circuits, reference voltage generators, and precision analog circuits demanding stable, adjustable power delivery.
What are the specifications of TL317PSRG4?
| Pbfree Code | Yes |
| YTEOL | 0 |
| Adjustability | ADJUSTABLE |
| Dropout Voltage1-Nom | 5V |
| Input-Output Voltage Differential-Max | 35V |
| Input-Output Voltage Differential-Min | 5V |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e4 |
| Line Regulation-Max (%/V) | 0.05 |
| Load Regulation-Max(%) | 4.16% |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 125°C |
| Operating Temperature TJ-Min | -20 °C |
| Output Current1-Max | 0.1A |
| Output Voltage1-Max | 32V |
| Output Voltage1-Min | 1.2V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.3 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Regulator Type | ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Where can I find the TL317PSRG4 datasheet?
TL317PSRG4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for TL317PSRG4?
Compatible alternatives and drop-in replacements for TL317PSRG4:
Adjustable Positive Standard Regulator, 1.2V Min, 32V Max, BIPolar, PDSO8
Frequently Asked Questions
What is the dropout voltage of the TL317PSRG4 and how does it affect design headroom?
The TL317PSRG4 has a 5V nominal dropout voltage, meaning the input must exceed the desired output by at least 5V to maintain regulation. This headroom requirement should be budgeted during supply rail selection; for a 12V output, the input rail must be at least 17V, and the part supports input-to-output differentials up to 35V.
How does the line regulation specification of TL317PSRG4 benefit precision analog circuits?
With a maximum line regulation of 0.05%/V, the TL317PSRG4 changes its output voltage by no more than 0.05% for every 1V shift in the input supply, providing highly stable outputs for precision ADC reference circuits, instrumentation amplifiers, and sensor excitation supplies where input ripple could otherwise corrupt measurements.
In what scenarios is TL317PSRG4 a practical alternative to a fixed-output 78xx linear regulator?
TL317PSRG4 is preferred over a fixed 78xx device whenever the target output voltage is non-standard or must be trimmed precisely with an external resistor divider. Its adjustable architecture covers any output between the reference voltage and the maximum differential of 35V in a single 8-pin package, eliminating the need to stock multiple fixed-voltage variants across different product builds.
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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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