L7805MDTR SMD Fixed Dropout Regulators 5V 6mA TO-252
The L7805MDTR is a surface-mount fixed voltage regulator designed to deliver a constant 5V output from a higher DC input voltage. Packaged in a TO-252 (DPAK) form factor, it is well-suited for compact PCB designs requiring efficient thermal performance and reliable voltage regulation. As part of the widely used 78xx series, this regulator is known for its simplicity, durability, and ease of implementation.
This device integrates internal protection mechanisms such as thermal shutdown and short-circuit protection, ensuring safe and stable operation even under challenging conditions. It is commonly used in power management sections of electronic devices, including microcontroller-based systems, sensors, and communication modules. Its straightforward design requires minimal external components, making it ideal for both professional and DIY electronics projects.
Features:
- Fixed 5V output voltage.
- Reliable and stable operation.
- Built-in thermal protection.
- Short-circuit protection.
- Good line and load regulation.
- Compact surface-mount package.
- Easy to integrate into circuits.
- Suitable for continuous operation.
Specifications:
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Input Voltage (absolute maximum) | – | – | – | 40 | V |
| Output Current (continuous) | – | – | 1.5 | 1.8 | A |
| Output Voltage (L7805) | Io=5mA~1A, Vi=7~20V | 4.75 | 5 | 5.25 | V |
| Output Voltage (L7806) | Io=5mA~1A, Vi=8~20V | 5.7 | 6 | 6.3 | V |
| Output Voltage (L7808) | Io=5mA~1A, Vi=10~23V | 7.6 | 8 | 8.4 | V |
| Output Voltage (L7809) | Io=5mA~1A, Vi=11~24V | 8.45 | 9 | 9.55 | V |
| Output Voltage (L7812) | Io=5mA~1A, Vi=14~27V | 11.4 | 12 | 12.6 | V |
| Output Voltage (L7815) | Io=5mA~1A, Vi=17~30V | 14.25 | 15 | 15.75 | V |
| Output Voltage (L7818) | Io=5mA~1A, Vi=20~33V | 17.1 | 18 | 18.9 | V |
| Output Voltage (L7824) | Io=5mA~1A, Vi=27~38V | 22.8 | 24 | 25.2 | V |
| Line Regulation (L7805, Io=500mA) | Vi=7~25V | – | – | 50 | mV |
| Load Regulation (L7805, Io=5mA~1.5A) | Tj=25°C | – | – | 100 | mV |
| Quiescent Current | Tj=25°C | – | 6.0 | – | mA |
| Dropout Voltage | Tj=25°C, Io=500mA | – | 2 | – | V |
| Ripple Rejection (L7805) | f=120Hz, Vi=8~18V | – | 80 | – | dB |
| Operating Junction Temperature | – | -20 | – | 125 | °C |
| Storage Temperature | – | -55 | – | 150 | °C |
Pinout:
| Pin | Name | Description |
|---|---|---|
| 1 | Input | Input Voltage |
| 2 | GND | Ground |
| 3 | Output | Regulated 5V Output |
Footprint:
Applications:
- Microcontroller power supplies.
- Embedded systems and development boards.
- Consumer electronics.
- Industrial control circuits.
- Battery-powered devices.
- Sensor and logic circuit power.
- General voltage regulation tasks.
Package Includes:
- 1x L7805MDTR SMD Fixed Dropout Regulators 5V 6mA TO-252.