Texas Instruments UA78M05IDCYG3
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.70 | $0.70 |
| 15+ | $0.68 | $10.20 |
| 25+ | $0.67 | $16.75 |
| 50+ | $0.63 | $31.50 |
| 100+ | $0.56 | $56.00 |
| N+ | $0.11 | Price Inquiry |
Request Quote / Inquiry
| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Tube | |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 25V |
| Voltage - Output (Min/Fixed) | 5V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 2V @ 350mA |
| Current - Output | 500mA |
| Current - Quiescent (Iq) | - |
| Current - Supply (Max) | - |
| PSRR | 80dB (120Hz) |
| Control Features | - |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| Operating Temperature | -40°C ~ 125°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | TO-261-4, TO-261AA |
| Supplier Device Package | SOT-223-4 |
| ROHS |  |
The UA78M05IDCYG3 from Texas Instruments is a classic positive-voltage LDO regulator delivering a fixed 5V output at up to 500mA. It features a high PSRR of 80dB at 120Hz, making it excellent for filtering AC ripple in line-powered applications. With a dropout voltage of 2V at 350mA, it provides reliable regulation with moderate headroom. The SOT-223-4 package offers good thermal dissipation for continuous operation in industrial and consumer electronics. This regulator is a dependable choice for clean, stable 5V power.
- High Output Current: Capable of delivering 500mA, it can power multiple ICs and peripherals from a single regulator, simplifying power supply design.
- Excellent Ripple Rejection: With 80dB PSRR at 120Hz, it effectively eliminates mains hum and ripple, providing clean power for sensitive analog circuits.
- Robust Thermal Performance: The SOT-223-4 package with exposed pad efficiently conducts heat away, ensuring reliable operation at full load in elevated temperatures.
- Proven Reliability: As a member of the 78M05 family, it offers a well-established, rugged design trusted in industrial and automotive applications for decades.
Industrial Control Systems
Provide a robust 5V rail for microcontrollers and logic circuits in industrial PLCs and motor controllers. The 500mA output can power multiple peripherals, while the 80dB PSRR at 120Hz rejects line-frequency noise common in factory environments.
Consumer Electronics Power Supply
Regulate 5V for set-top boxes, routers, and gaming peripherals. The high current capability and excellent ripple rejection ensure stable operation even when powered from low-quality wall adapters.
Automotive Infotainment
Power 5V logic and display drivers in car audio and infotainment systems. The SOT-223-4 package with its thermal pad dissipates heat effectively, ensuring reliable operation in high-temperature under-dash environments.
Test and Measurement Equipment
Supply a clean 5V reference rail for bench multimeters and oscilloscopes. The 80dB PSRR at 120Hz minimizes hum from the AC mains, ensuring accurate measurements in sensitive test setups.
HVAC Controllers
Provide regulated 5V for thermostat microcontrollers and sensor interfaces. The robust 500mA output can drive relays and displays, while the low-dropout design maintains regulation during brownout conditions.
- Q: What is the output voltage of the UA78M05IDCYG3?
- A: This regulator provides a fixed 5V output voltage.
- Q: What is the maximum output current?
- A: It can deliver up to 500mA of output current.
- Q: What is the input voltage range?
- A: The input voltage range is not fully specified, but the output is fixed at 5V.
- Q: What is the dropout voltage?
- A: The dropout voltage is 2V typical at a 350mA load.
- Q: What is the PSRR performance?
- A: It offers excellent PSRR of 80dB at 120Hz, effectively rejecting mains ripple.
- Q: What package is available?
- A: It is available in the SOT-223-4 package, which provides good thermal performance.
UA78M05IDCYG3.pdf
- Q: What is the output voltage of the UA78M05IDCYG3?
- A: This regulator provides a fixed 5V output voltage.
- Q: What is the maximum output current?
- A: It can deliver up to 500mA of output current.
- Q: What is the input voltage range?
- A: The input voltage range is not fully specified, but the output is fixed at 5V.
- Q: What is the dropout voltage?
- A: The dropout voltage is 2V typical at a 350mA load.
- Q: What is the PSRR performance?
- A: It offers excellent PSRR of 80dB at 120Hz, effectively rejecting mains ripple.
- Q: What package is available?
- A: It is available in the SOT-223-4 package, which provides good thermal performance.
