Texas Instruments UA78M05IKC
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $2.08 | $2.08 |
| 15+ | $0.48 | $7.20 |
| 25+ | $0.47 | $11.75 |
| 50+ | $0.44 | $22.00 |
| 100+ | $0.39 | $39.00 |
| N+ | $0.08 | Price Inquiry |
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| 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 | Through Hole |
| Package / Case | TO-220-3 |
| Supplier Device Package | TO-220-3 |
The UA78M05IKC from Texas Instruments is a classic fixed 5V linear regulator capable of 500mA output. Housed in a robust TO-220-3 package, it offers excellent thermal performance. With 80dB PSRR at 120Hz, it provides superior ripple rejection for AC-powered applications. The 2V dropout at 350mA makes it suitable for designs with adequate headroom.
- Excellent Ripple Rejection: 80dB PSRR at 120Hz ensures clean DC output from rectified AC.
- High Current Capacity: 500mA supports a wide range of loads.
- Robust Package: TO-220-3 allows easy heatsinking for high-power applications.
- Proven Reliability: TI's trusted design ensures long-term stability.
AC-DC Power Supplies
With 80dB PSRR at 120Hz, it effectively filters full-wave rectified ripple, providing clean 5V for downstream circuits.
Industrial Control Panels
TO-220 package with 500mA capacity powers PLCs, relays, and control logic from a 10V+ supply rail.
Bench Power Supplies
Used as a post-regulator in lab power supplies to deliver stable 5V for prototyping.
HVAC Systems
Reliable 5V supply for thermostat controllers and sensor interfaces in heating and cooling systems.
Audio Amplifiers
Clean 5V rail for preamplifier stages, reducing hum and noise in audio equipment.
Telecom Equipment
Stable 5V for line drivers and interface circuits in communication hardware.
- Q: What is the output voltage of the UA78M05IKC?
- A: It provides a fixed 5V output.
- Q: What is the maximum output current?
- A: It can deliver up to 500mA of output current.
- Q: What is the input voltage range?
- A: Input voltage must be at least 5V above the output (minimum 10V for 5V out).
- 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, excellent for filtering rectified AC ripple.
- Q: What package is available?
- A: It is available in a TO-220-3 package.
UA78M05IKC.pdf
- Q: What is the output voltage of the UA78M05IKC?
- A: It provides a fixed 5V output.
- Q: What is the maximum output current?
- A: It can deliver up to 500mA of output current.
- Q: What is the input voltage range?
- A: Input voltage must be at least 5V above the output (minimum 10V for 5V out).
- 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, excellent for filtering rectified AC ripple.
- Q: What package is available?
- A: It is available in a TO-220-3 package.
