| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.13 | $0.13 |
| 15+ | $0.03 | $0.45 |
| 25+ | $0.03 | $0.75 |
| 50+ | $0.03 | $1.50 |
| 100+ | $0.02 | $2.00 |
| N+ | $0.00 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Shenzhen Slkormicro Semicon Co., Ltd. |
| Product Series | |
| Packaging | 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) | 1.7V @ 40mA |
| Current - Output | 100mA |
| Current - Quiescent (Iq) | 6 mA |
| Current - Supply (Max) | - |
| PSRR | 49dB (120Hz) |
| Control Features | - |
| Protection Features | - |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | TO-236-3, SC-59, SOT-23-3 |
| Supplier Device Package | SOT-23 |
| ROHS |  |
The 78L05S from Shenzhen Slkormicro is a classic fixed 5.0V linear regulator in a SOT-23 package, delivering up to 100mA. With a dropout voltage of 1.7V at 40mA and quiescent current of 6mA, it is a straightforward solution for basic voltage regulation. Its 49dB PSRR at 120Hz effectively filters mains ripple. This regulator is well-suited for cost-sensitive applications requiring a simple, reliable 5V supply.
- Cost-Effective: Simple, mature technology offers low unit cost for high-volume production.
- Wide Availability: Industry-standard pinout and function, easily sourced from multiple suppliers.
- Robust Performance: Handles input transients well, suitable for non-critical industrial environments.
- Compact SOT-23: Smaller footprint than traditional TO-92, enabling denser PCB layouts.
Simple Power Supplies
Ideal for basic 5V rails in hobbyist projects and low-cost consumer electronics where efficiency is not critical.
Microcontroller Power
Provides stable 5V for 8-bit MCUs like ATmega328P in Arduino-compatible designs.
LED Driver Bias
Powers LED driver ICs requiring a regulated 5V bias supply in lighting applications.
Relay Driver Circuits
Supplies 5V to relay coils and logic circuits in industrial control panels.
Sensor Modules
Regulates 5V for analog sensors like temperature and humidity modules in IoT prototypes.
Audio Preamplifiers
Provides a clean 5V rail for low-power op-amp circuits in guitar pedals and mixers.
- Q: What is the output voltage?
- A: The 78L05S provides a fixed 5.0V 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 5V, typically used with 7-30V input.
- Q: What is the dropout voltage?
- A: Dropout is 1.7V at 40mA load.
- Q: What is the quiescent current?
- A: Quiescent current is 6mA, higher than modern LDOs but acceptable for basic regulation.
- Q: What package is available?
- A: It comes in a SOT-23 package.
78L05S.pdf
- Q: What is the output voltage?
- A: The 78L05S provides a fixed 5.0V 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 5V, typically used with 7-30V input.
- Q: What is the dropout voltage?
- A: Dropout is 1.7V at 40mA load.
- Q: What is the quiescent current?
- A: Quiescent current is 6mA, higher than modern LDOs but acceptable for basic regulation.
- Q: What package is available?
- A: It comes in a SOT-23 package.
