Texas Instruments UA78M05CDCYR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.60 | $0.60 |
| 15+ | $0.58 | $8.70 |
| 25+ | $0.57 | $14.25 |
| 50+ | $0.54 | $27.00 |
| 100+ | $0.47 | $47.00 |
| N+ | $0.09 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| 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 | 0°C ~ 125°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | TO-261-4, TO-261AA |
| Supplier Device Package | SOT-223-4 |
| ROHS |  |
The Texas Instruments UA78M05CDCYR is a robust 500mA linear regulator providing a fixed 5.0V output. With an 80dB PSRR at 120Hz and a wide input range, it delivers clean, stable power for industrial and automotive applications. The SOT-223-4 package offers excellent thermal performance for demanding environments.
- High Ripple Rejection: 80dB PSRR at 120Hz eliminates mains hum in sensitive circuits.
- Wide Input Flexibility: Supports up to 25V input, handling transient spikes.
- 500mA Output: Powers multiple ICs or medium-load peripherals.
- Thermally Efficient: SOT-223 package dissipates heat effectively for reliable operation.
Industrial Control Systems
The 500mA output and 80dB PSRR at 120Hz ensure stable 5V rails for PLCs and motor controllers, rejecting mains-frequency noise.
Automotive ECUs
Wide input range (up to 25V) handles automotive load-dump transients, providing regulated 5V for microcontrollers and sensors.
Power Supply Post-Regulation
Use after a switching regulator to reduce ripple to 80dB, delivering clean analog supply for ADCs and op-amps.
Home Appliance Control Boards
Robust SOT-223 package and 500mA capability suit washing machines and refrigerators, powering logic and display circuits.
Test & Measurement Equipment
Stable 5V output with high PSRR supports precision instrumentation requiring low-noise reference rails.
Networking Equipment
Reliable 5V for routers and switches, with thermal protection ensuring safe operation under continuous load.
- Q: What is the output voltage?
- A: The fixed output voltage is 5.0V.
- Q: What is the maximum output current?
- A: It can supply up to 500mA.
- Q: What is the input voltage range?
- A: The input voltage range is 7V to 25V (based on 5V output).
- Q: What is the dropout voltage?
- A: Dropout voltage is 2V at 350mA load.
- Q: What is the PSRR performance?
- A: PSRR is 80dB at 120Hz, providing excellent ripple rejection.
- Q: What package is available?
- A: It comes in a SOT-223-4 package.
UA78M05CDCYR.pdf
- Q: What is the output voltage?
- A: The fixed output voltage is 5.0V.
- Q: What is the maximum output current?
- A: It can supply up to 500mA.
- Q: What is the input voltage range?
- A: The input voltage range is 7V to 25V (based on 5V output).
- Q: What is the dropout voltage?
- A: Dropout voltage is 2V at 350mA load.
- Q: What is the PSRR performance?
- A: PSRR is 80dB at 120Hz, providing excellent ripple rejection.
- Q: What package is available?
- A: It comes in a SOT-223-4 package.
