Texas Instruments UA78M05IDCY
| 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 UA78M05IDCY from Texas Instruments is a fixed 5V linear regulator offering up to 500mA of output current. Housed in a SOT-223-4 package, it provides a reliable power solution for a wide range of applications. With a dropout voltage of 2V at 350mA and 80dB PSRR at 120Hz, it ensures stable operation and effective noise filtering for digital and analog circuits.
- High Output Current: 500mA capability supports multiple loads.
- Excellent Ripple Rejection: 80dB PSRR at 120Hz ensures clean DC output.
- Industry-Standard 5V: Compatible with common logic and microcontroller families.
- Surface-Mount Package: SOT-223-4 is easy to assemble and space-efficient.
5V Logic Power Supply
Provides a robust 5V rail for TTL and CMOS logic circuits, with 80dB PSRR at 120Hz to filter line noise.
Microcontroller Systems
Ideal for powering 5V microcontrollers and peripheral ICs in industrial and consumer applications.
Sensor Interface Boards
Delivers clean 5V to analog sensor front-ends, ensuring accurate data acquisition.
Relay and Solenoid Drivers
Can supply 500mA to drive relays and solenoids in automation systems.
Audio Pre-Amplifiers
Provides a low-noise 5V supply for audio op-amps, minimizing hum and interference.
Test and Measurement Equipment
Stable output for bench instruments requiring a reliable 5V reference.
- Q: What is the output voltage?
- A: The fixed output voltage is 5V.
- Q: What is the maximum output current?
- A: It can provide up to 500mA.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; refer to the datasheet.
- Q: What is the dropout voltage?
- A: The dropout voltage is 2V at 350mA.
- Q: What is the quiescent current?
- A: Quiescent current is not specified in the provided data.
- Q: What package is available?
- A: It comes in a SOT-223-4 package.
- Q: What is the output voltage?
- A: The fixed output voltage is 5V.
- Q: What is the maximum output current?
- A: It can provide up to 500mA.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; refer to the datasheet.
- Q: What is the dropout voltage?
- A: The dropout voltage is 2V at 350mA.
- Q: What is the quiescent current?
- A: Quiescent current is not specified in the provided data.
- Q: What package is available?
- A: It comes in a SOT-223-4 package.

UA78M05IDCY.pdf