Overview
The L7805CDT-TR is a linear voltage regulator produced by STMicroelectronics. It is part of the L78 series, known for its reliability and performance in providing a stable output voltage. This specific model is configured to deliver a fixed output voltage of 5V and can handle a maximum output current of 1.5A. The regulator is packaged in a DPAK (TO-252) surface-mount package, making it suitable for a variety of applications where space is limited.
Key Specifications
| Parameter | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|
| Output Voltage (VO) | 4.9 | 5 | 5.1 | V |
| Output Current (IO) | - | - | 1.5 | A |
| Input Voltage Range (VI) | 7.5 | - | 20 | V |
| Dropout Voltage (Vd) | - | - | 2 | V |
| Line Regulation | - | - | 120 mV | - |
| Load Regulation | - | - | 120 mV | - |
| Thermal Resistance Junction-Case (RthJC) | - | - | 3 | °C/W |
| Thermal Resistance Junction-Ambient (RthJA) | - | - | 62.5 | °C/W |
| Operating Junction Temperature Range | 0 | - | 125 | °C |
| Storage Temperature Range | -65 | - | 150 | °C |
Key Features
- Fixed Output Voltage: Provides a stable output voltage of 5V.
- High Output Current: Capable of delivering up to 1.5A of output current.
- Low Dropout Voltage: Dropout voltage of 2V ensures efficient operation.
- Good Line and Load Regulation: Ensures stable output voltage across various input and load conditions.
- Thermal Protection: Internally limited power dissipation and thermal resistance for safe operation.
- Compact Package: DPAK (TO-252) surface-mount package for space-efficient designs.
Applications
- Power Supplies: Used in various power supply units to regulate output voltage.
- Embedded Systems: Suitable for embedded systems requiring stable voltage regulation.
- Industrial Control Systems: Applied in industrial control systems for reliable voltage supply.
- Consumer Electronics: Used in consumer electronics such as audio equipment, medical devices, and more.
Q & A
- What is the output voltage of the L7805CDT-TR?
The output voltage of the L7805CDT-TR is 5V.
- What is the maximum output current of the L7805CDT-TR?
The maximum output current is 1.5A.
- What is the input voltage range for the L7805CDT-TR?
The input voltage range is from 7.5V to 20V.
- What is the dropout voltage of the L7805CDT-TR?
The dropout voltage is 2V.
- What is the thermal resistance junction-case (RthJC) for the DPAK package?
The thermal resistance junction-case (RthJC) is 3°C/W.
- What is the operating junction temperature range for the L7805CDT-TR?
The operating junction temperature range is from 0°C to 125°C.
- What type of package does the L7805CDT-TR come in?
The L7805CDT-TR comes in a DPAK (TO-252) surface-mount package.
- Does the L7805CDT-TR have thermal protection?
Yes, it has internally limited power dissipation and thermal resistance for safe operation.
- What are some common applications of the L7805CDT-TR?
Common applications include power supplies, embedded systems, industrial control systems, and consumer electronics.
- What is the minimum load current required for regulation?
The minimum load current required for regulation is 5 mA.
