Texas Instruments UA78L05CDR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.70 | $0.70 |
| 15+ | $0.68 | $10.20 |
| 25+ | $0.67 | $16.75 |
| 50+ | $0.63 | $31.50 |
| 100+ | $0.56 | $56.00 |
| N+ | $0.11 | Price Inquiry |
Request Quote / Inquiry
| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| 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 |
The UA78L05CDR is a fixed 5V linear regulator from Texas Instruments, delivering up to 100mA. It features a typical dropout of 1.7V at 40mA and 49dB PSRR at 120Hz, making it a robust choice for digital and analog circuits. The 8-SOIC package is ideal for space-limited PCBs in consumer and industrial products.
- Stable 5V Rail: Fixed output eliminates adjustment errors, ideal for logic circuits.
- Proven Reliability: 78L series design with internal current limiting and thermal shutdown.
- Low Cost: Simple architecture reduces system cost for high-volume applications.
- Compact SOIC: 8-SOIC package fits standard manufacturing processes.
Microcontroller Power
Provides a clean 5V rail for MCUs and digital logic, with 100mA sufficient for small embedded systems.
Sensor Interfaces
Regulates 5V for analog sensors and signal conditioning circuits, maintaining accuracy with 49dB PSRR.
RS-232 Transceivers
Powers line drivers and receivers in serial communication, ensuring stable voltage for data integrity.
LED Display Drivers
Supplies 5V to shift registers and segment drivers in small alphanumeric displays.
Battery Charger Controllers
Provides a reference voltage for charge management ICs in portable devices.
Automotive Body Electronics
Regulates 5V for dashboard sensors and switches, with thermal protection for harsh environments.
- Q: What is the output voltage of the UA78L05CDR?
- A: It provides a fixed 5V output.
- Q: What is the maximum output current?
- A: The maximum output current is 100mA.
- Q: What is the input voltage range?
- A: Input voltage must be above 5V plus dropout (typically 1.7V at 40mA), with an absolute maximum of 20V.
- Q: What is the dropout voltage?
- A: Dropout is typically 1.7V at 40mA load.
- Q: What is the PSRR?
- A: PSRR is 49dB at 120Hz, offering good ripple rejection for 5V logic.
- Q: What package is available?
- A: It is available in an 8-SOIC package.
UA78L05CDR.pdf
- Q: What is the output voltage of the UA78L05CDR?
- A: It provides a fixed 5V output.
- Q: What is the maximum output current?
- A: The maximum output current is 100mA.
- Q: What is the input voltage range?
- A: Input voltage must be above 5V plus dropout (typically 1.7V at 40mA), with an absolute maximum of 20V.
- Q: What is the dropout voltage?
- A: Dropout is typically 1.7V at 40mA load.
- Q: What is the PSRR?
- A: PSRR is 49dB at 120Hz, offering good ripple rejection for 5V logic.
- Q: What package is available?
- A: It is available in an 8-SOIC package.
