Overview
The MC7824BT is a three-terminal positive fixed voltage regulator produced by ON Semiconductor. This monolithic integrated circuit is designed to provide a stable output voltage for a wide range of applications. The MC7824BT is part of the MC78XX series, known for its reliability and performance in various electronic systems.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Voltage (TJ = 25°C) | VO | 7.7 | 8.0 | 8.3 | Vdc |
| Output Voltage (5.0 mA ≤ IO ≤ 1.0 A, PD ≤ 15 W) | VO | 7.6 | 8.0 | 8.4 | Vdc |
| Line Regulation (TJ = 25°C) | Regline | - | 0.5 | 10 | mV |
| Load Regulation | - | - | 10 | - | mV |
| Peak Output Current (TJ = 25°C) | Imax | - | - | 2.2 | A |
| Average Temperature Coefficient of Output Voltage | TCVO | - | -0.3 | - | mV/°C |
| Input Voltage Range | - | 10.5 | - | 23 | Vdc |
Key Features
- Fixed Output Voltage: The MC7824BT provides a stable output voltage of 8.0 V, with a tolerance of ±0.3 V.
- High Current Capability: It can supply up to 1.0 A of output current.
- Line and Load Regulation: Excellent line and load regulation ensure minimal variation in output voltage under different input and load conditions.
- Thermal Protection: Built-in thermal shutdown and current limiting protect the device from overheating and overcurrent conditions.
- Compact Packaging: Available in TO-220 and other compact packages, making it suitable for a variety of applications.
Applications
The MC7824BT is suitable for a wide range of applications, including:
- Power Supplies: Used in linear power supplies to regulate output voltage.
- Industrial Control Systems: Employed in industrial control systems for stable voltage supply.
- Consumer Electronics: Found in various consumer electronic devices requiring stable DC voltage.
- Automotive Systems: Used in automotive systems for reliable voltage regulation.
Q & A
- What is the output voltage of the MC7824BT? The output voltage of the MC7824BT is 8.0 V, with a tolerance of ±0.3 V.
- What is the maximum output current of the MC7824BT? The maximum output current is 1.0 A.
- What is the input voltage range for the MC7824BT? The input voltage range is typically from 10.5 V to 23 V.
- Does the MC7824BT have built-in thermal protection? Yes, it has built-in thermal shutdown and current limiting.
- What are the common packages available for the MC7824BT? It is available in TO-220 and other compact packages.
- How does the MC7824BT handle line and load regulation? It has excellent line and load regulation, ensuring minimal variation in output voltage under different conditions.
- What is the average temperature coefficient of output voltage for the MC7824BT? The average temperature coefficient of output voltage is -0.3 mV/°C.
- Is the MC7824BT suitable for high-temperature environments? Yes, it operates over a junction temperature range from 0°C to 125°C.
- What are some common applications of the MC7824BT? It is used in power supplies, industrial control systems, consumer electronics, and automotive systems.
- Does the MC7824BT require external components for stability? While external capacitors can improve transient response, they are not strictly necessary for stability.
