LM2990T-12In StockTexas Instruments
LM2990T-12 is a fixed -12V negative linear voltage regulator in TO-220 package. Dropout voltage as low as 0.6V typical, supports 13V–26V input range. From $1.97, in stock worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 3
- Lifecycle
- OBSOLETE
- Datasheet
- LM2990T-12 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.9700(MOQ 450)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Fixed -12V negative output voltage for stable power supply rails
- Low dropout voltage of 0.6V typical (1V max) for efficient regulation
- Wide input voltage range: 13V to 26V absolute maximum 26V
- TO-220 3-pin through-hole package for easy PCB integration
- RoHS compliant (Pb-free) with long product lifecycle since 1993
Applications
The LM2990T-12 is ideal for powering analog circuits, op-amps, and audio equipment that require a stable negative supply rail. It is commonly used in split-supply systems, instrumentation amplifiers, and industrial control boards. Its low dropout and fixed -12V output make it well-suited for telecom, medical, and test equipment designs.
Specifications
| Pbfree Code | Yes |
| Date Of Intro | 1993-01-01 |
| YTEOL | 0 |
| Adjustability | FIXED |
| Dropout Voltage1-Max | 1V |
| Dropout Voltage1-Nom | 0.6V |
| Input Voltage Absolute-Max | 26V |
| Input Voltage-Max | 26V |
| Input Voltage-Min | 13V |
| JESD-30 Code | R-XSFM-T3 |
| JESD-609 Code | e0 |
| Line Regulation-Max | 0.06% |
| Load Regulation-Max | 0.05% |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 125°C |
| Operating Temperature TJ-Min | -40 °C |
| Output Current1-Max | 1A |
| Output Voltage1-Max | 12.6V |
| Output Voltage1-Min | 11.4V |
| Output Voltage1-Nom | 12V |
| Package Body Material | UNSPECIFIED |
| Package Equivalence Code | SIP3,.1TB |
| Package Shape | RECTANGULAR |
| Package Style | FLANGE MOUNT |
| Packing Method | TUBE |
| Qualification Status | Not Qualified |
| Regulator Type | FIXED NEGATIVE SINGLE OUTPUT LDO REGULATOR |
| Surface Mount | NO |
| Technology | BIPOLAR |
| Terminal Finish | Tin/Lead (Sn/Pb) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | SINGLE |
| Voltage Tolerance-Max | 5% |
| 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 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LM2990T-12:
Frequently Asked Questions
What is the output voltage of the LM2990T-12?
The LM2990T-12 provides a fixed negative output voltage of -12V, making it suitable for analog circuits, op-amps, and split-supply power systems that require a stable negative rail.
What is the input voltage range for the LM2990T-12?
The LM2990T-12 requires an input voltage between 13V and 26V (absolute maximum 26V). The dropout voltage is typically 0.6V and 1V maximum, so the input must be at least 1V more negative than the output.
What package does the LM2990T-12 use?
The LM2990T-12 comes in a TO-220 3-pin through-hole package, which offers excellent thermal dissipation and is easy to mount on standard PCBs with or without a heatsink.
What are typical applications for the LM2990T-12?
Typical applications include split-supply power designs for op-amps and instrumentation amplifiers, audio equipment, industrial control systems, telecom power supplies, and medical instrumentation requiring a regulated -12V negative rail.
Is the LM2990T-12 RoHS compliant?
Yes, the LM2990T-12 is Pb-free and RoHS compliant, as indicated by its Pbfree Code: Yes. It has been in production since 1993, ensuring long-term supply availability.
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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.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 450+ | $3.1352 | $1410.86 |
| 500+ | $2.2100 | $1105.00 |
| 1000+ | $2.0900 | $2090.00 |
| 10000+ | $1.9700 | $19700.00 |
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