Overview
The STMicroelectronics L7805ACD2T-TR is a three-terminal positive voltage regulator from the L78 series. This component is designed to provide a stable 5V output voltage and is packaged in a TO-263-3 (D2PAK) surface mount package. It is suitable for a wide range of applications requiring local on-card regulation, eliminating the distribution problems associated with single point regulation. The regulator features internal current limiting, thermal shut-down, and safe area protection, making it highly reliable and durable.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage (Max) | 35 | V |
| Output Voltage (Fixed) | 5 | V |
| Output Current (Max) | 1.5 | A |
| Dropout Voltage (Max) | 2 | V |
| Package Style | TO-263-3 (D2PAK) | |
| Mounting Method | Surface Mount | |
| Thermal Resistance Junction-Case | 3 | °C/W |
| Thermal Resistance Junction-Ambient | 62.5 | °C/W |
| Storage Temperature Range | -65 to 150 | °C |
| Operating Junction Temperature Range | 0 to 125 | °C |
Key Features
- Internal current limiting and thermal shut-down for protection against overcurrent and overheating.
- Safe area protection to prevent the device from operating outside its safe operating area.
- High ripple rejection (up to 68 dB at 120 Hz) for clean output voltage.
- Low dropout voltage of 2V at 1A output current.
- Output voltage tolerance of 2% for the A version.
- Guaranteed operation in an extended temperature range.
- Ability to be used with external components to obtain adjustable voltage and currents.
Applications
The L7805ACD2T-TR is versatile and can be used in various applications, including:
- Local on-card regulation in electronic devices.
- Power supplies for consumer electronics, industrial equipment, and automotive systems.
- Battery-powered devices requiring stable voltage regulation.
- Embedded systems and microcontroller projects.
Q & A
- What is the output voltage of the L7805ACD2T-TR?
The output voltage is fixed at 5V. - What is the maximum input voltage for the L7805ACD2T-TR?
The maximum input voltage is 35V. - What is the maximum output current of the L7805ACD2T-TR?
The maximum output current is 1.5A. - What type of package does the L7805ACD2T-TR come in?
The component is packaged in a TO-263-3 (D2PAK) surface mount package. - Does the L7805ACD2T-TR have built-in protection features?
Yes, it includes internal current limiting, thermal shut-down, and safe area protection. - What is the dropout voltage of the L7805ACD2T-TR?
The dropout voltage is 2V at 1A output current. - Can the L7805ACD2T-TR be used for adjustable voltage regulation?
Yes, it can be used with external components to obtain adjustable voltage and currents. - What is the operating junction temperature range for the L7805ACD2T-TR?
The operating junction temperature range is 0 to 125°C. - What is the storage temperature range for the L7805ACD2T-TR?
The storage temperature range is -65 to 150°C. - What is the thermal resistance junction-ambient for the L7805ACD2T-TR in a D2PAK package?
The thermal resistance junction-ambient is 62.5°C/W.
