Overview
The L7824ABV is a three-terminal positive voltage regulator from STMicroelectronics, part of the L78 series. This regulator is available in various packages, including TO-220, TO-220FP, D²PAK, and DPAK, and is designed to provide stable output voltages in a wide range of applications. The L7824ABV specifically offers an output voltage of 24V, making it suitable for systems requiring a reliable and regulated 24V supply.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 23.5 to 24.5 | V |
| Output Current | Up to 1.5 A | A |
| Input Voltage (for VO=24V) | Up to 40 V | V |
| Thermal Resistance (Junction-Case) | 3 to 5 °C/W (depending on package) | °C/W |
| Thermal Resistance (Junction-Ambient) | 50 to 100 °C/W (depending on package) | °C/W |
| Operating Junction Temperature Range | -40 to 125 °C | °C |
| Dropout Voltage | 2 V | V |
| Output Voltage Tolerance | ±2% (A version) | % |
| Quiescent Current | 8 mA | mA |
| Short Circuit Current | 0.2 A | A |
| Short Circuit Peak Current | 2.2 A | A |
Key Features
- Internal current limiting, thermal shut-down, and safe area protection, making the device essentially indestructible.
- Output transition SOA protection.
- Thermal overload protection and short circuit protection.
- Low dropout voltage of 2V.
- High ripple rejection ratio.
- Guaranteed in extended temperature range.
- Can be used with external components to obtain adjustable voltage and currents.
Applications
The L7824ABV is versatile and can be used in a variety of applications, including:
- Local on-card regulation to eliminate distribution problems associated with single point regulation.
- Power supplies for industrial, automotive, and consumer electronics.
- Regulated power for microcontrollers, sensors, and other electronic devices.
- Battery chargers and power management systems.
Q & A
- What is the output voltage of the L7824ABV?
The output voltage of the L7824ABV is 24V, with a tolerance of ±2% for the A version. - What is the maximum output current of the L7824ABV?
The maximum output current is up to 1.5 A. - What are the available packages for the L7824ABV?
The L7824ABV is available in TO-220, TO-220FP, D²PAK, and DPAK packages. - What is the thermal resistance of the L7824ABV?
The thermal resistance (junction-case) varies from 3 to 5 °C/W depending on the package, and the thermal resistance (junction-ambient) varies from 50 to 100 °C/W. - Does the L7824ABV 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 L7824ABV?
The dropout voltage is 2V. - Can the L7824ABV 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 of the L7824ABV?
The operating junction temperature range is -40 to 125 °C. - What is the quiescent current of the L7824ABV?
The quiescent current is 8 mA. - Is the L7824ABV suitable for high-temperature environments?
Yes, it is guaranteed to operate in an extended temperature range.
