UA78L05AIDG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The UA78L05AIDG4 is a fixed positive 5V linear voltage regulator in an 8-pin SOIC package. It delivers up to 100mA output current with an input voltage range of 7V to 20V and a maximum dropout voltage of 1.7V. Available from Texas Instruments with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- UA78L05AIDG4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- ?°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Fixed 5V output voltage with tight regulation: line regulation max 0.15% and load regulation max 0.06% ensure stable supply rails
- Wide input voltage range from 7V to 30V absolute maximum supports diverse power supply designs
- Compact 8-pin SOIC package enables space-efficient PCB layouts for consumer and industrial applications
Applications
The UA78L05AIDG4 is well-suited for low-current 5V regulation in microcontroller power supplies, sensor modules, and portable battery-powered devices. It is commonly used to derive a stable 5V logic rail from higher-voltage sources in industrial control boards and communication equipment. Its small SOIC footprint makes it ideal for space-constrained designs requiring reliable linear regulation.
Specifications
| YTEOL | 0 |
| Adjustability | FIXED |
| Dropout Voltage1-Nom | 1.7V |
| Input Voltage Absolute-Max | 30V |
| Input Voltage-Max | 20V |
| Input Voltage-Min | 7V |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e4 |
| Line Regulation-Max | 0.15% |
| Load Regulation-Max | 0.06% |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 125°C |
| Operating Temperature TJ-Min | -40 °C |
| Output Current1-Max | 0.1A |
| Output Voltage1-Max | 5.25V |
| Output Voltage1-Min | 4.75V |
| Output Voltage1-Nom | 5V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TUBE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Regulator Type | FIXED 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 |
| 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 maximum output current of the UA78L05AIDG4?
The UA78L05AIDG4 provides a maximum continuous output current of 100mA at a fixed 5V output, making it suitable for low-power microcontrollers, sensors, and logic circuits.
What input voltage range does the UA78L05AIDG4 support?
The device operates with an input voltage between 7V minimum and 20V maximum (with an absolute maximum of 30V), and has a nominal dropout voltage of 1.7V, requiring adequate headroom above the 5V output.
What package does the UA78L05AIDG4 use and what are its benefits?
It comes in an 8-pin SOIC (Small Outline Integrated Circuit) package, which offers a compact, surface-mount footprint compatible with standard PCB assembly processes and automated pick-and-place equipment.
Can the UA78L05AIDG4 replace other 78L05 variants?
Yes, the UA78L05AIDG4 is pin-compatible with standard 78L05 regulators in SOIC-8 packages. However, always verify the dropout voltage, thermal ratings, and package dimensions when substituting parts in a design.
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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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