Texas Instruments UA78M05QDCYRQ1
| 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 UA78M05QDCYRQ1 is a fixed 5V automotive-grade linear regulator from Texas Instruments, delivering 500mA in a SOT-223-4 package. With 80dB PSRR at 120Hz and 2V dropout at 350mA, it ensures clean power for vehicle electronics. AEC-Q100 qualification guarantees performance in harsh automotive environments.
- Automotive grade: AEC-Q100 qualified for vehicle applications.
- High PSRR: 80dB at 120Hz filters alternator noise.
- 500mA output: Supports multiple loads.
- Thermal shutdown: Protects against overheating.
Automotive Body Electronics
Provides 5V for window lift controllers and lighting modules, with AEC-Q100 reliability.
Industrial Motor Drives
Regulates 5V for gate driver ICs, with 500mA capacity for multiple channels.
Power Supply Modules
Post-regulation for 5V output in DC-DC converters, reducing ripple to 80dB.
Infotainment Systems
Stable 5V for display panels and audio DSPs, with thermal protection.
Telecom Base Stations
Powers control logic in remote radio units, with high PSRR filtering switching noise.
EV Charging Stations
Provides 5V for communication interfaces, with wide input tolerance.
- Q: What is the output voltage?
- A: Fixed 5V output.
- Q: What is the maximum output current?
- A: 500mA.
- Q: What is the input voltage range?
- A: Not specified; typical for 5V LDO is 7-25V.
- Q: What is the dropout voltage?
- A: 2V at 350mA load.
- Q: What is the PSRR?
- A: 80dB at 120Hz.
- Q: What package is available?
- A: SOT-223-4 package.
- Q: What is the output voltage?
- A: Fixed 5V output.
- Q: What is the maximum output current?
- A: 500mA.
- Q: What is the input voltage range?
- A: Not specified; typical for 5V LDO is 7-25V.
- Q: What is the dropout voltage?
- A: 2V at 350mA load.
- Q: What is the PSRR?
- A: 80dB at 120Hz.
- Q: What package is available?
- A: SOT-223-4 package.

UA78M05QDCYRQ1.pdf