Texas Instruments UA78L05CD
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.31 | $1.31 |
| 15+ | $1.27 | $19.05 |
| 25+ | $1.24 | $31.00 |
| 50+ | $1.17 | $58.50 |
| 100+ | $1.04 | $104.00 |
| N+ | $0.21 | 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) | 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 UA78L05CD is a fixed 5V linear regulator from Texas Instruments, delivering up to 100mA with a dropout of 1.7V at 40mA. Housed in an 8-SOIC package, it offers 49dB PSRR at 120Hz, making it suitable for noise-sensitive analog and digital circuits. Its simple three-terminal operation requires minimal external components, ideal for space-constrained designs.
- Stable 5V output with 100mA capability, ensuring reliable power for low-current logic and analog circuits.
- 49dB PSRR at 120Hz reduces mains ripple, improving audio and sensor signal integrity.
- Compact 8-SOIC package fits standard PCB layouts, simplifying board design.
- Proven TI reliability with thermal overload and short-circuit protection.
Industrial Sensor Power
Provides clean 5V rail for analog sensors requiring up to 100mA, with 49dB PSRR reducing 120Hz noise from rectified mains.
Microcontroller Reference
Stable 5V output for MCU I/O and ADC reference circuits, ensuring consistent logic levels and measurement accuracy.
Op-Amp Supply
Low-noise 5V supply for precision operational amplifiers in signal conditioning, leveraging the 8-SOIC footprint for compact layouts.
Battery-Powered Devices
Regulates battery voltage down to 5V for portable instruments, with low quiescent current extending runtime.
Automotive Logic
Provides regulated 5V for automotive control modules, with thermal protection and short-circuit current limiting.
Audio Preamp Bias
Delivers quiet 5V bias for audio preamp stages, minimizing hum through 49dB PSRR at 120Hz.
- Q: What is the output voltage of the UA78L05CD?
- A: The UA78L05CD provides a fixed 5V output.
- 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 is 5V (typical operating range per datasheet).
- Q: What is the dropout voltage?
- A: Dropout is 1.7V at 40mA load.
- Q: What package is available?
- A: It comes in an 8-SOIC package.
- Q: What is the PSRR performance?
- A: PSRR is 49dB at 120Hz.
UA78L05CD.pdf
- Q: What is the output voltage of the UA78L05CD?
- A: The UA78L05CD provides a fixed 5V output.
- 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 is 5V (typical operating range per datasheet).
- Q: What is the dropout voltage?
- A: Dropout is 1.7V at 40mA load.
- Q: What package is available?
- A: It comes in an 8-SOIC package.
- Q: What is the PSRR performance?
- A: PSRR is 49dB at 120Hz.
