STMicroelectronics L78L05ACUTR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.39 | $0.39 |
| 15+ | $0.26 | $3.90 |
| 25+ | $0.25 | $6.25 |
| 50+ | $0.24 | $12.00 |
| 100+ | $0.21 | $21.00 |
| N+ | $0.04 | Price Inquiry |
Request Quote / Inquiry
| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 30V |
| Voltage - Output (Min/Fixed) | 5V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | - |
| Current - Output | 100mA |
| Current - Quiescent (Iq) | 5.5 mA |
| Current - Supply (Max) | 6 mA |
| PSRR | 49dB (120Hz) |
| Control Features | - |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| Operating Temperature | 0°C ~ 125°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | TO-243AA |
| Supplier Device Package | SOT-89-3 |
| ROHS |  |
The L78L05ACUTR from STMicroelectronics is a fixed 5V linear voltage regulator designed for low-current applications. It delivers up to 100mA of output current with a quiescent current of only 5.5 mA, making it suitable for battery-operated devices. The SOT-89-3 package offers a compact footprint for space-constrained PCBs. With a PSRR of 49dB at 120Hz, it effectively filters power supply noise, ensuring clean output for sensitive electronics.
- Stable 5V Output: Fixed 5V regulation ensures consistent performance for digital and analog circuits.
- Low Quiescent Current: 5.5 mA quiescent current minimizes power loss, ideal for battery-powered designs.
- Compact SOT-89 Package: Small footprint saves PCB space while providing adequate thermal dissipation.
- Good Ripple Rejection: 49dB PSRR at 120Hz reduces mains noise for cleaner power delivery.
Microcontroller Power Supply
Provides a stable 5V rail for low-power microcontrollers and digital logic circuits, ensuring reliable operation with its 100mA current capability.
Sensor Interface Circuits
Powers analog sensors and signal conditioning circuits, where the 49dB PSRR at 120Hz helps reject mains hum and noise.
Battery-Powered Devices
Regulates battery voltage to a constant 5V for portable instruments, extending battery life with its low quiescent current.
Reference Voltage Source
Can be used as a simple voltage reference for ADC circuits, providing a stable 5V with minimal ripple.
Industrial Control Systems
Supplies clean power to logic controllers and interface ICs in industrial environments, benefiting from the robust SOT-89 package.
Audio Equipment
Provides a quiet 5V supply for audio codecs and preamplifiers, leveraging the PSRR to minimize power supply noise.
- Q: What is the output voltage of the L78L05ACUTR?
- A: The L78L05ACUTR 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 range is not specified in the provided data; typically it is up to 30V for this series.
- Q: What is the dropout voltage?
- A: Dropout voltage is not specified in the provided data; typical for this series is around 2V.
- Q: What is the quiescent current?
- A: The quiescent current is 5.5 mA.
- Q: What package is available?
- A: It comes in a SOT-89-3 package.
L78L05ACUTR.pdf
- Q: What is the output voltage of the L78L05ACUTR?
- A: The L78L05ACUTR 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 range is not specified in the provided data; typically it is up to 30V for this series.
- Q: What is the dropout voltage?
- A: Dropout voltage is not specified in the provided data; typical for this series is around 2V.
- Q: What is the quiescent current?
- A: The quiescent current is 5.5 mA.
- Q: What package is available?
- A: It comes in a SOT-89-3 package.
