UA78M05CDCYRG3In StockTexas Instruments
UA78M05CDCYRG3 is a 5V 500mA fixed positive linear voltage regulator in SOT-223 package. Features 2V dropout voltage, 7V–30V input range, and 0.1% line regulation. From $0.21, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- SOT223 (3-Pin)
- Pin Count
- 4
- Lifecycle
- ACTIVE
- Datasheet
- UA78M05CDCYRG3 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.2052(MOQ 1)
- Temp Range
- ?°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 5V fixed output with tight ±4% accuracy for stable power delivery
- 500mA output current capacity suitable for medium-load applications
- Low 2V dropout voltage minimizes power dissipation
- Wide 7V–30V input voltage range for versatile system integration
- SOT-223 (4-pin) compact package with enhanced thermal dissipation
- RoHS compliant (Pb-free, e3 JEDEC moisture sensitivity)
Applications
The UA78M05CDCYRG3 is widely used in consumer electronics, industrial control boards, and embedded systems requiring a stable 5V rail from higher-voltage supplies. Its 500mA current rating and SOT-223 footprint make it ideal for microcontroller power supplies, sensor modules, and battery-powered devices. It also finds use in automotive accessory circuits and communication equipment where reliable low-noise regulation is critical.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Adjustability | FIXED |
| Dropout Voltage1-Nom | 2V |
| Input Voltage Absolute-Max | 35V |
| Input Voltage-Max | 30V |
| Input Voltage-Min | 7V |
| JESD-30 Code | R-PDSO-G4 |
| JESD-609 Code | e3 |
| Line Regulation-Max | 0.1% |
| Load Regulation-Max | 0.1% |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 125°C |
| Output Current1-Max | 0.5A |
| Output Voltage1-Max | 5.25V |
| Output Voltage1-Min | 4.75V |
| Output Voltage1-Nom | 5V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOT-223 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT STANDARD REGULATOR |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 2.3mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Voltage Tolerance-Max | 5% |
| ## UA78M05CDCYRG3 Alternates Showing results | Image |
| Package | SOT223 (3-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 2 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Mainland China |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for UA78M05CDCYRG3:
Frequently Asked Questions
What is the output voltage and current of the UA78M05CDCYRG3?
The UA78M05CDCYRG3 provides a fixed 5V output voltage with a maximum output current of 500mA. It maintains ±4% output accuracy and a line regulation of 0.1%, making it suitable for powering microcontrollers and digital logic circuits.
What input voltage range does the UA78M05CDCYRG3 support?
The UA78M05CDCYRG3 operates with an input voltage range of 7V to 30V, with an absolute maximum of 35V. The nominal dropout voltage is 2V, meaning the input must be at least 7V to maintain a regulated 5V output.
What package does the UA78M05CDCYRG3 use and is it RoHS compliant?
The UA78M05CDCYRG3 comes in a SOT-223 (4-pin, R-PDSO-G4) surface-mount package, which offers good thermal performance for its size. It is fully RoHS compliant and lead-free (Pb-free, JESD-609 code e3).
What are typical applications for the UA78M05CDCYRG3?
This regulator is commonly used to power microcontrollers, FPGAs, and sensor modules in embedded systems, industrial control equipment, and consumer electronics. Its compact SOT-223 package and 500mA rating make it a popular choice for board-level 5V power rails in space-constrained designs.
Are there pin-compatible alternatives to the UA78M05CDCYRG3?
Yes, pin-compatible alternatives include the LM78M05 and NCV78M05 in the same SOT-223 package. When substituting, verify that the replacement meets your input voltage, dropout, and thermal requirements, as parametric values may differ slightly between manufacturers.
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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.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.9295 | $0.93 |
| 109+ | $0.4648 | $50.66 |
| 250+ | $0.3795 | $94.88 |
| 431+ | $0.3718 | $160.25 |
| 500+ | $0.3629 | $181.43 |
| 975+ | $0.2052 | $200.07 |
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