MC79L12ACDG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The Texas Instruments MC79L12ACDG4 is a fixed negative -12V linear voltage regulator delivering up to 100mA output current in an 8-pin SOIC package. It features a 1.7V dropout voltage, input range of 14.5V to 27V, and excellent load regulation of 0.1%. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- MC79L12ACDG4 Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Fixed -12V negative output voltage regulator ideal for dual-supply analog circuit designs
- Low 0.1% maximum load regulation ensuring stable output under varying load conditions
- Wide input voltage range from 14.5V to 27V with 35V absolute maximum rating
- Compact 8-pin SOIC package enabling space-efficient board layouts
- 100mA maximum output current with 1.7V typical dropout voltage for efficient regulation
Applications
The MC79L12ACDG4 is well-suited for powering the negative rail in dual-supply analog and mixed-signal circuits such as op-amp stages, audio preamplifiers, and instrumentation amplifiers. It is commonly used in industrial equipment, test instrumentation, and communication systems where a stable fixed negative voltage supply is required alongside a positive rail.
Specifications
| YTEOL | 0 |
| Adjustability | FIXED |
| Dropout Voltage1-Nom | 1.7V |
| Input Voltage Absolute-Max | 35V |
| Input Voltage-Max | 27V |
| Input Voltage-Min | 14.5V |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e4 |
| Line Regulation-Max | 0.25% |
| Load Regulation-Max | 0.1% |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 125°C |
| Output Current1-Max | 0.1A |
| Output Voltage1-Max | 12.6V |
| Output Voltage1-Min | 11.4V |
| Output Voltage1-Nom | 12V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Regulator Type | FIXED NEGATIVE 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 |
| Voltage Tolerance-Max | 5% |
| Package | Small Outline Packages |
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
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the output voltage and current of the MC79L12ACDG4?
The MC79L12ACDG4 provides a fixed regulated output voltage of -12V with a maximum output current of 100mA. Its load regulation is 0.1% maximum, ensuring the output remains stable under varying load conditions, making it reliable for precision analog power supply applications.
What input voltage range is compatible with the MC79L12ACDG4?
The MC79L12ACDG4 operates with an input voltage range of -14.5V to -27V (minimum to maximum), with an absolute maximum input rating of -35V. The typical dropout voltage is 1.7V, meaning the input must be at least 1.7V more negative than the -12V output to maintain regulation.
What package does the MC79L12ACDG4 come in, and is it RoHS compliant?
The MC79L12ACDG4 is available in an 8-pin SOIC (Small Outline IC) package (JESD-30 code R-PDSO-G8), which is a widely used SMT package for easy PCB assembly. It carries a JESD-609 code of e4, indicating compliance with lead-free and RoHS environmental standards for modern electronics manufacturing.
What are typical applications for the MC79L12ACDG4?
The MC79L12ACDG4 is typically used in dual-supply analog circuits including operational amplifier biasing, audio equipment, and instrumentation systems that require a clean negative -12V regulated supply. Its 0.25% maximum line regulation and low dropout characteristics make it a dependable choice for both industrial and consumer analog power designs.
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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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