Texas Instruments UA78M05IKCSE3
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $3.51 | $3.51 |
| 15+ | $3.39 | $50.85 |
| 25+ | $3.32 | $83.00 |
| 50+ | $3.14 | $157.00 |
| 100+ | $2.77 | $277.00 |
| N+ | $0.55 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Marketplace | 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 | Through Hole |
| Package / Case | TO-220-3 |
| Supplier Device Package | TO-220-3 |
| ROHS |
The Texas Instruments UA78M05IKCSE3 is a fixed 5V linear regulator capable of delivering 500mA. With a dropout of 2V at 350mA and an impressive 80dB PSRR at 120Hz, it provides clean, stable power for a wide range of applications. The TO-220-3 package ensures excellent heat dissipation, making it suitable for industrial and consumer electronics.
- High Ripple Rejection: 80dB PSRR at 120Hz ensures clean output, ideal for audio and precision analog circuits.
- Robust Thermal Performance: TO-220 package dissipates heat effectively, supporting reliable operation at full load.
- Fixed 5V Output: Simplifies design with no external components needed for voltage setting.
- Wide Input Range: Accepts input voltages up to 25V, providing flexibility in power supply design.
Industrial Control Systems
Fixed 5V output with 500mA capacity is ideal for powering logic circuits, relays, and industrial sensors.
Audio Equipment Power Supply
With 80dB PSRR at 120Hz, it effectively filters mains ripple for clean audio power.
Microcontroller Power
Provides stable 5V for microcontrollers and digital ICs in embedded systems.
Test and Measurement Instruments
Reliable 5V rail for bench multimeters, oscilloscopes, and signal generators.
Home Appliances
TO-220 package with good thermal performance suits power supplies in washing machines and refrigerators.
Automotive Aftermarket
Robust 5V supply for car audio, GPS, and dash cameras.
- Q: What is the output voltage of the UA78M05IKCSE3?
- A: It provides a fixed 5V output.
- 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 range is from 7V to 25V (based on 5V output and dropout).
- Q: What is the dropout voltage?
- A: Dropout is typically 2V at 350mA load.
- Q: What is the PSRR?
- A: PSRR is 80dB at 120Hz, providing excellent ripple rejection.
- Q: What package is available?
- A: It is available in a TO-220-3 package.
- Q: What is the output voltage of the UA78M05IKCSE3?
- A: It provides a fixed 5V output.
- 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 range is from 7V to 25V (based on 5V output and dropout).
- Q: What is the dropout voltage?
- A: Dropout is typically 2V at 350mA load.
- Q: What is the PSRR?
- A: PSRR is 80dB at 120Hz, providing excellent ripple rejection.
- Q: What package is available?
- A: It is available in a TO-220-3 package.

UA78M05IKCSE3.pdf