Texas Instruments UA78M05CKCS
| 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 | 0°C ~ 125°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Through Hole |
| Package / Case | TO-220-3 |
| Supplier Device Package | TO-220-3 |
| ROHS |  |
The UA78M05CKCS is a fixed 5V low-dropout linear regulator from Texas Instruments, capable of delivering 500mA of output current. It features a high PSRR of 80dB at 120Hz, ensuring excellent ripple rejection from the input supply. The dropout voltage is 2V at 350mA. Housed in a robust TO-220-3 package, this regulator is designed for through-hole mounting and can dissipate heat effectively, making it a reliable choice for a wide range of power supply applications.
- Excellent Ripple Rejection: 80dB PSRR at 120Hz provides a clean, stable 5V output, ideal for audio and precision circuits.
- High Current Capability: 500mA output can power multiple ICs and small loads.
- Robust Thermal Performance: The TO-220 package allows for effective heat sinking, ensuring reliable operation under load.
- Simple Fixed Output: No external components needed for a precise 5V supply, simplifying design.
General-Purpose 5V Power Supply
The fixed 5V output and 500mA current capability make it a versatile building block for many digital logic circuits and microcontrollers.
Audio Amplifier Pre-Regulation
With 80dB PSRR at 120Hz, it effectively filters mains hum, providing a clean 5V supply for audio preamplifiers and tone control circuits.
Industrial Control Panels
The TO-220 package allows for easy heatsinking, making it suitable for industrial control systems that require a robust 5V rail.
Test and Measurement Equipment
For benchtop instruments, this regulator provides a stable and reliable 5V source for internal analog and digital circuitry.
Home Appliance Control Boards
In appliances like washing machines and microwaves, it powers the main control MCU and display drivers, ensuring reliable operation.
Power Supply for Relay Drivers
The 500mA output can directly drive relay coils and other inductive loads, simplifying power supply design in automation projects.
- Q: What is the output voltage of the UA78M05CKCS?
- A: The UA78M05CKCS is a fixed output LDO regulator with a 5V output.
- Q: What is the maximum output current?
- A: The maximum output current is 500mA.
- Q: What is the input voltage range?
- A: The input voltage range starts from 5V up to the device's maximum rating.
- Q: What is the dropout voltage?
- A: The dropout voltage is 2V at a 350mA load.
- Q: What is the PSRR performance?
- A: The power supply rejection ratio is 80dB at 120Hz.
- Q: What package is available?
- A: It is available in a TO-220-3 package.
UA78M05CKCS.pdf
- Q: What is the output voltage of the UA78M05CKCS?
- A: The UA78M05CKCS is a fixed output LDO regulator with a 5V output.
- Q: What is the maximum output current?
- A: The maximum output current is 500mA.
- Q: What is the input voltage range?
- A: The input voltage range starts from 5V up to the device's maximum rating.
- Q: What is the dropout voltage?
- A: The dropout voltage is 2V at a 350mA load.
- Q: What is the PSRR performance?
- A: The power supply rejection ratio is 80dB at 120Hz.
- Q: What package is available?
- A: It is available in a TO-220-3 package.
