Texas Instruments UA78L05ACD
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.85 | $0.85 |
| 15+ | $0.82 | $12.30 |
| 25+ | $0.80 | $20.00 |
| 50+ | $0.76 | $38.00 |
| 100+ | $0.67 | $67.00 |
| N+ | $0.13 | 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) | 20V |
| Voltage - Output (Min/Fixed) | 5V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 1.7V @ 40mA |
| Current - Output | 100mA |
| Current - Quiescent (Iq) | - |
| Current - Supply (Max) | - |
| PSRR | 49dB (120Hz) |
| Control Features | - |
| Protection Features | Over Current, Over Temperature, Reverse Polarity, Short Circuit |
| Operating Temperature | 0°C ~ 125°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC |
| ROHS |  |
The UA78L05ACD is a classic fixed 5V low dropout linear regulator from Texas Instruments, capable of delivering up to 100mA of output current. It offers a simple and reliable solution for generating a stable 5V supply from a higher input voltage. With a dropout voltage of 1.7V at 40mA, it is suitable for many general-purpose applications. The 8-SOIC package is widely used and easy to integrate into PCB designs. This regulator is a trusted choice for industrial and consumer electronics.
- Proven Reliability: Based on the industry-standard 78L05 family, ensuring long-term availability and design familiarity.
- Simple Integration: Fixed 5V output and 8-SOIC package simplify PCB layout and BOM.
- Adequate Noise Filtering: 49dB PSRR at 120Hz helps reduce power supply ripple for analog circuits.
- Cost-Effective Solution: Provides a low-cost, robust power management solution for a wide range of applications.
Microcontroller Power Supply
The UA78L05ACD provides a stable 5V rail for 5V logic and microcontrollers in embedded systems, with up to 100mA of current for peripheral circuits.
Analog Reference Supply
With 49dB PSRR at 120Hz, it can be used to power op-amps and analog front-ends, reducing mains-related hum and noise.
Industrial Control Interfaces
Ideal for powering sensors, transducers, and interface ICs in industrial control systems that require a reliable 5V supply.
Consumer Appliances
From washing machine controllers to smart plugs, this regulator offers a simple and cost-effective solution for 5V rails.
Test and Measurement Equipment
Provides a clean and stable 5V source for internal reference circuits and low-power digital sections in benchtop instruments.
Legacy System Replacement
As a classic 78L05 variant, it is a drop-in replacement for older designs, ensuring long-term availability and reliability.
- Q: What is the output voltage?
- A: The fixed output voltage is 5V.
- Q: What is the maximum output current?
- A: It can deliver up to 100mA of output current.
- 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 1.7V at a 40mA load.
- Q: What is the quiescent current?
- A: The quiescent current is not specified in the provided data.
- Q: What package is available?
- A: It is available in an 8-SOIC package.
UA78L05ACD.pdf
- Q: What is the output voltage?
- A: The fixed output voltage is 5V.
- Q: What is the maximum output current?
- A: It can deliver up to 100mA of output current.
- 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 1.7V at a 40mA load.
- Q: What is the quiescent current?
- A: The quiescent current is not specified in the provided data.
- Q: What package is available?
- A: It is available in an 8-SOIC package.
