STMicroelectronics L78L05ACZTR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.35 | $0.35 |
| 15+ | $0.23 | $3.45 |
| 25+ | $0.23 | $5.75 |
| 50+ | $0.21 | $10.50 |
| 100+ | $0.19 | $19.00 |
| N+ | $0.04 | Price Inquiry |
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| 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 | Through Hole |
| Package / Case | TO-226-3, TO-92-3 (TO-226AA) Formed Leads |
| Supplier Device Package | TO-92-3 |
| ROHS |  |
The L78L05ACZTR from STMicroelectronics is a fixed 5V linear regulator capable of delivering 100mA. Housed in a TO-92-3 package, it offers 5.5mA quiescent current and 49dB PSRR at 120Hz, making it a reliable choice for low-power through-hole applications. Its simple design and wide availability make it a staple for hobbyist and industrial projects.
- Proven Reliability: ST's L78L series has decades of field-tested performance.
- Mains Ripple Rejection: 49dB at 120Hz filters AC hum effectively.
- Through-Hole Ease: TO-92 package is easy to solder and breadboard.
- Cost-Effective: Low-cost solution for 5V regulation at 100mA.
Microcontroller Power Supplies
Provides a stable 5V rail for 8-bit MCUs in hobbyist and industrial projects, with 100mA sufficient for logic and small peripherals.
Analog Reference Circuits
49dB PSRR at 120Hz filters mains hum, making it suitable for precision analog circuits in audio preamps.
Home Appliance Control Boards
TO-92 package and robust design handle line voltage variations in washing machines and refrigerators.
Battery Charger Controllers
Regulates 5V for charger ICs in low-power devices, ensuring consistent charging voltage.
Sensor Conditioning
Powers op-amps and bridges in temperature or pressure sensors with low noise at line frequency.
Legacy System Replacement
Drop-in replacement for older 7805 regulators in through-hole designs, maintaining compatibility.
- Q: What is the output voltage?
- A: Fixed 5V output.
- Q: What is the maximum output current?
- A: 100mA.
- Q: What is the input voltage range?
- A: Input voltage is 5V (typical, with headroom required above 5V).
- Q: What is the quiescent current?
- A: 5.5mA typical.
- Q: What is the PSRR?
- A: 49dB at 120Hz, good for mains ripple rejection.
- Q: What package is this?
- A: TO-92-3 through-hole package.
L78L05ACZTR.pdf
- Q: What is the output voltage?
- A: Fixed 5V output.
- Q: What is the maximum output current?
- A: 100mA.
- Q: What is the input voltage range?
- A: Input voltage is 5V (typical, with headroom required above 5V).
- Q: What is the quiescent current?
- A: 5.5mA typical.
- Q: What is the PSRR?
- A: 49dB at 120Hz, good for mains ripple rejection.
- Q: What package is this?
- A: TO-92-3 through-hole package.
