Overview
The L7824CD2T is a three-terminal positive voltage regulator from STMicroelectronics, part of the L78 series. This regulator is designed to provide a stable output voltage of 24V with a maximum current of 1.5A. It is available in the TO-220 package and is known for its robust protection features and high reliability. The L7824CD2T is suitable for a wide range of applications requiring local on-card regulation, eliminating the issues associated with single-point regulation.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 23.5 to 24.5 | V |
| Output Current | Up to 1.5 | A |
| Input Voltage (for VO=24V) | Up to 40 | V |
| Thermal Resistance (Junction to Case) | 5 | °C/W |
| Thermal Resistance (Junction to Ambient) | 50 | °C/W |
| Operating Junction Temperature | 0 to 125 | °C |
| Storage Temperature Range | -65 to 150 | °C |
| Dropout Voltage | 2 | V |
| Output Noise Voltage | 10 µV/VO | |
| Output Resistance | 20 mΩ | |
| Short Circuit Current | 0.2 A | |
| Short Circuit Peak Current | 2.2 A |
Key Features
- Thermal Overload Protection: The regulator includes internal thermal shut-down to prevent overheating.
- Short Circuit Protection: It has built-in short circuit protection to safeguard against overcurrent conditions.
- Output Transition SOA Protection: Ensures safe operation during output transitions.
- High Accuracy: 2% output voltage tolerance for the A version.
- Extended Temperature Range: Guaranteed operation in an extended temperature range for the A version.
- Multiple Packages: Available in TO-220, TO-220FP, D²PAK, and DPAK packages.
- Adjustable Voltage and Current: Can be used with external components to obtain adjustable voltage and currents.
Applications
The L7824CD2T is versatile and can be used in various applications, including:
- Local On-Card Regulation: Eliminates distribution problems associated with single-point regulation.
- Power Supplies: Suitable for use in power supply units requiring stable and regulated output voltage.
- Industrial Control Systems: Used in industrial control systems where reliable voltage regulation is critical.
- Automotive Systems: Can be used in automotive systems due to its robust protection features and wide operating temperature range.
Q & A
- What is the output voltage of the L7824CD2T?
The output voltage of the L7824CD2T is 24V. - What is the maximum output current of the L7824CD2T?
The maximum output current is up to 1.5A. - What are the available packages for the L7824CD2T?
The L7824CD2T is available in TO-220, TO-220FP, D²PAK, and DPAK packages. - Does the L7824CD2T have thermal overload protection?
Yes, it includes internal thermal shut-down to prevent overheating. - What is the dropout voltage of the L7824CD2T?
The dropout voltage is 2V. - What is the operating junction temperature range for the L7824CD2T?
The operating junction temperature range is 0 to 125°C. - Can the L7824CD2T be used for adjustable voltage and current?
Yes, it can be used with external components to obtain adjustable voltage and currents. - What is the minimum load current required for regulation?
The minimum load current for regulation is 5 mA. - Does the L7824CD2T have short circuit protection?
Yes, it has built-in short circuit protection. - What is the thermal resistance (junction to ambient) for the TO-220 package?
The thermal resistance (junction to ambient) for the TO-220 package is 50°C/W.
