STMicroelectronics L7805ABP
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.76 | $1.76 |
| 15+ | $1.16 | $17.40 |
| 25+ | $1.13 | $28.25 |
| 50+ | $1.07 | $53.50 |
| 100+ | $0.95 | $95.00 |
| N+ | $0.19 | Price Inquiry |
Request Quote / Inquiry
| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | |
| Packaging | Tube | |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 35V |
| Voltage - Output (Min/Fixed) | 5V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 2V @ 1A (Typ) |
| Current - Output | 1.5A |
| Current - Quiescent (Iq) | 6 mA |
| Current - Supply (Max) | - |
| PSRR | 68dB (120Hz) |
| Control Features | - |
| Protection Features | Over Temperature, Short Circuit |
| Operating Temperature | -40°C ~ 125°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Through Hole |
| Package / Case | TO-220-3 Full Pack |
| Supplier Device Package | TO-220FP |
| ROHS |
The L7805ABP from STMicroelectronics is a classic fixed 5V positive voltage regulator in a TO-220FP package. It delivers up to 1.5A of output current with a typical dropout voltage of 2V at 1A. The device features internal current limiting and thermal shutdown for robust protection. With 68dB PSRR at 120Hz, it provides excellent ripple rejection for industrial and audio applications. Its through-hole package makes it easy to integrate into a wide range of power supply designs.
- High Output Current: 1.5A capability supports a wide range of loads from logic circuits to small motors.
- Excellent Ripple Rejection: 68dB PSRR at 120Hz ensures clean DC output from rectified AC sources.
- Robust Protection: Internal thermal shutdown and current limiting protect the regulator and load from faults.
- Easy Thermal Management: TO-220FP package with metal tab allows for simple heatsink attachment.
Industrial Power Supplies
The 1.5A output and TO-220FP package with exposed tab allow for efficient heat dissipation in 24V to 5V conversion for PLCs and motor controllers.
Audio Equipment
With 68dB PSRR at 120Hz, it effectively filters mains hum, providing clean 5V rails for analog audio circuits and DACs.
Test and Measurement Instruments
Stable 5V output with low output noise ensures accurate readings in multimeters, oscilloscopes, and signal generators.
Home Appliance Control Boards
Robust and reliable, it powers microcontrollers and relays in washing machines, refrigerators, and HVAC systems.
Bench Power Supplies
As a post-regulator, it provides a clean, stable 5V output from a higher-voltage adjustable supply, ideal for prototyping.
- Q: What is the output voltage of the L7805ABP?
- A: The fixed output voltage is 5V.
- Q: What is the maximum output current?
- A: It can deliver up to 1.5A of continuous current.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; refer to the datasheet for absolute maximum ratings.
- Q: What is the dropout voltage?
- A: The typical dropout voltage is 2V at 1A load.
- Q: What is the quiescent current?
- A: The quiescent current is 6 mA, which is typical for a standard linear regulator.
- Q: What is the PSRR performance?
- A: PSRR is 68dB at 120Hz, providing excellent low-frequency ripple rejection.
- Q: What is the output voltage of the L7805ABP?
- A: The fixed output voltage is 5V.
- Q: What is the maximum output current?
- A: It can deliver up to 1.5A of continuous current.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; refer to the datasheet for absolute maximum ratings.
- Q: What is the dropout voltage?
- A: The typical dropout voltage is 2V at 1A load.
- Q: What is the quiescent current?
- A: The quiescent current is 6 mA, which is typical for a standard linear regulator.
- Q: What is the PSRR performance?
- A: PSRR is 68dB at 120Hz, providing excellent low-frequency ripple rejection.

L7805ABP.pdf