Texas Instruments UA78M05QDCYRG4Q1
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.87 | $0.87 |
| 15+ | $0.85 | $12.75 |
| 25+ | $0.83 | $20.75 |
| 50+ | $0.78 | $39.00 |
| 100+ | $0.69 | $69.00 |
| N+ | $0.14 | 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 | -40°C ~ 125°C |
| Grade | Automotive |
| Qualification | AEC-Q100 |
| Mounting Type | Surface Mount |
| Package / Case | TO-261-4, TO-261AA |
| Supplier Device Package | SOT-223-4 |
| ROHS |  |
The UA78M05QDCYRG4Q1 is a fixed 5V linear regulator from Texas Instruments, delivering up to 500mA in a compact SOT-223-4 package. With a dropout voltage of 2V at 350mA and 80dB PSRR at 120Hz, it ensures clean, stable power for automotive and industrial applications. Its AEC-Q100 qualification guarantees reliability in demanding environments.
- High noise rejection: 80dB PSRR at 120Hz ensures clean output for sensitive analog circuits.
- Automotive qualified: AEC-Q100 certified for reliable operation in vehicle systems.
- Compact SOT-223-4: Saves board space while supporting 500mA output.
- Thermal protection: Internal shutdown safeguards against overload conditions.
Automotive ECUs
Provides stable 5V rail for microcontrollers and sensors in engine control units, with 80dB PSRR filtering alternator noise.
Industrial Control Systems
Regulates 5V for PLC I/O modules, ensuring consistent logic levels despite supply transients up to 25V input.
Telecom Power Supplies
Post-regulation for 5V digital logic in base stations, leveraging 500mA capacity for multiple ICs.
Battery-Powered Instruments
Maintains 5V output from 7-12V battery packs, with low dropout minimizing power loss.
Test & Measurement Equipment
Provides clean 5V reference for ADC/DAC circuits, with high PSRR reducing 120Hz ripple.
LED Lighting Drivers
Powers control logic in automotive LED modules, with thermal protection for harsh environments.
- Q: What is the output voltage of the UA78M05QDCYRG4Q1?
- A: The fixed output voltage is 5V.
- Q: What is the maximum output current?
- A: It can deliver up to 500mA.
- Q: What is the input voltage range?
- A: The input voltage is 5V (typical application requires higher input, e.g., 7-25V for 5V out).
- Q: What is the dropout voltage?
- A: Dropout is 2V at 350mA load.
- Q: What package is available?
- A: SOT-223-4 package.
- Q: What is the PSRR performance?
- A: 80dB at 120Hz, excellent for noise rejection.
UA78M05QDCYRG4Q1.pdf
- Q: What is the output voltage of the UA78M05QDCYRG4Q1?
- A: The fixed output voltage is 5V.
- Q: What is the maximum output current?
- A: It can deliver up to 500mA.
- Q: What is the input voltage range?
- A: The input voltage is 5V (typical application requires higher input, e.g., 7-25V for 5V out).
- Q: What is the dropout voltage?
- A: Dropout is 2V at 350mA load.
- Q: What package is available?
- A: SOT-223-4 package.
- Q: What is the PSRR performance?
- A: 80dB at 120Hz, excellent for noise rejection.
