Overview
The MC78M08BDTRK is a 500 mA positive voltage regulator from ON Semiconductor, part of the MC78M00/MC78M00A Series. This regulator is identical to the popular MC7800 Series devices but with specific voltage output ratings. The MC78M08BDTRK is designed to provide a stable 8V output voltage and is suitable for a wide range of applications requiring reliable voltage regulation.
Key Specifications
| Characteristics | Symbol | Min | Max | Unit | |
|---|---|---|---|---|---|
| Output Voltage (TJ = 25°C) | VO | 7.70 | 8.0 | 8.30 | Vdc |
| Output Voltage Variation (10.5 Vdc ≤ VI ≤ 23 Vdc, 5.0 mA ≤ IO ≤ 350 mA) | VO | 7.6 | - | 8.4 | Vdc |
| Line Regulation (TJ = 25°C, 10.5 Vdc ≤ VI ≤ 25 Vdc, IO = 200 mA) | Regline | - | 6.0 | 50 | mV |
| Load Regulation (TJ = 25°C, 5.0 mA ≤ IO ≤ 500 mA) | Regload | - | - | 25 | mV |
| Load Regulation (TJ = 25°C, 5.0 mA ≤ IO ≤ 200 mA) | Regload | - | - | 10 | mV |
| Input Bias Current (TJ = 25°C) | IIB | - | 3.2 | 6.0 | mA |
| Short Circuit Current Limit (TJ = 25°C, VI = 35 V) | IOS | - | 350 | - | mA |
| Average Temperature Coefficient of Output Voltage (IO = 5.0 mA) | ΔVO/ΔT | - | ±0.2 | - | mV/°C |
| Peak Output Current (TJ = 25°C) | IO | - | 700 | - | mA |
Key Features
- Stable Output Voltage: The MC78M08BDTRK provides a stable 8V output voltage with minimal variation across different input voltages and load conditions.
- High Current Capability: Capable of delivering up to 500 mA of output current, making it suitable for a variety of applications.
- Low Dropout Voltage: The regulator has a low dropout voltage, ensuring efficient operation even when the input voltage is close to the output voltage.
- Thermal Protection: Built-in thermal protection to prevent overheating and ensure reliable operation.
- Short Circuit Protection: Features a short circuit current limit to protect against overcurrent conditions.
Applications
The MC78M08BDTRK is versatile and can be used in various applications, including:
- Power Supplies: For building stable and efficient power supply units.
- Embedded Systems: In microcontroller and microprocessor-based systems requiring regulated voltage.
- Industrial Control Systems: For reliable voltage regulation in industrial automation and control systems.
- Consumer Electronics: In devices such as audio equipment, medical devices, and other consumer electronics requiring stable voltage.
Q & A
- What is the output voltage of the MC78M08BDTRK?
The output voltage of the MC78M08BDTRK is 8V. - What is the maximum output current of the MC78M08BDTRK?
The maximum output current is 500 mA. - What is the input voltage range for the MC78M08BDTRK?
The input voltage range is typically between 10.5 Vdc and 23 Vdc. - Does the MC78M08BDTRK have thermal protection?
Yes, it has built-in thermal protection. - What is the dropout voltage of the MC78M08BDTRK?
The dropout voltage is typically around 2.0 Vdc. - Is the MC78M08BDTRK protected against short circuits?
Yes, it features a short circuit current limit. - What is the average temperature coefficient of the output voltage?
The average temperature coefficient of the output voltage is ±0.2 mV/°C. - What is the peak output current of the MC78M08BDTRK at 25°C?
The peak output current is 700 mA. - What are some common applications of the MC78M08BDTRK?
Common applications include power supplies, embedded systems, industrial control systems, and consumer electronics. - Where can I find more detailed specifications for the MC78M08BDTRK?
You can find detailed specifications in the datasheet available on the ON Semiconductor website or through authorized distributors.
