STMicroelectronics L78L05ACZ
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.29 | $0.29 |
| 15+ | $0.19 | $2.85 |
| 25+ | $0.19 | $4.75 |
| 50+ | $0.18 | $9.00 |
| 100+ | $0.16 | $16.00 |
| N+ | $0.03 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | |
| Packaging | Bulk | |
| 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 | Through Hole |
| Package / Case | TO-226-3, TO-92-3 (TO-226AA) |
| Supplier Device Package | TO-92-3 |
| ROHS |  |
The L78L05ACZ from STMicroelectronics is a classic fixed 5V positive voltage regulator in a TO-92-3 package. It delivers up to 100mA of output current and accepts a wide input voltage range, making it versatile for various applications. With built-in thermal overload protection and short-circuit protection, it offers robust performance. Its 5.5mA quiescent current and 49dB PSRR at 120Hz make it a reliable choice for low-cost, low-power designs.
- Wide Input Voltage Range: Accepts up to 30V, providing flexibility in multi-rail systems.
- Built-in Protection: Thermal overload and short-circuit protection ensure safe operation in harsh environments.
- Proven Reliability: A mature, widely-used design with decades of field-proven performance.
- Cost-Effective: Low-cost TO-92 package ideal for high-volume consumer and industrial applications.
AC/DC Power Supplies for Appliances
The L78L05ACZ's 5V output and 100mA capability are ideal for providing a regulated supply to microcontrollers in white goods, directly from a rectified AC line with a simple transformer.
Industrial Sensor Interfaces
With a wide input range up to 30V, this regulator can step down 24V industrial bus voltages to 5V for logic circuits in proximity sensors and PLC I/O modules.
Consumer Audio Equipment
Its 49dB PSRR at 120Hz effectively reduces mains hum, making it suitable for powering analog audio circuits in radios and small amplifiers.
Automotive Aftermarket Accessories
The TO-92 package and robust design allow it to regulate 5V for dashcams or GPS trackers from a 12V vehicle electrical system.
Embedded Development Boards
As a classic 5V regulator, it is perfect for breadboard prototyping and powering 5V logic ICs in educational kits and hobbyist projects.
Relay Driver Circuits
The L78L05ACZ can provide a stable 5V rail for relay coils and driver transistors in home automation systems, ensuring reliable switching.
- Q: What is the output voltage of the L78L05ACZ?
- A: The fixed output voltage is 5V.
- Q: What is the maximum output current?
- A: It can deliver up to 100mA.
- Q: What is the input voltage range?
- A: The input voltage range is 7V to 30V (typical).
- Q: What is the dropout voltage?
- A: The dropout voltage is typically 2V (not specified in provided data, standard for 78L series).
- Q: What is the quiescent current?
- A: The quiescent current is typically 5.5mA.
- Q: What package is available?
- A: It comes in a TO-92-3 package.
L78L05ACZ.pdf
- Q: What is the output voltage of the L78L05ACZ?
- A: The fixed output voltage is 5V.
- Q: What is the maximum output current?
- A: It can deliver up to 100mA.
- Q: What is the input voltage range?
- A: The input voltage range is 7V to 30V (typical).
- Q: What is the dropout voltage?
- A: The dropout voltage is typically 2V (not specified in provided data, standard for 78L series).
- Q: What is the quiescent current?
- A: The quiescent current is typically 5.5mA.
- Q: What package is available?
- A: It comes in a TO-92-3 package.
