Overview
The MC78M08CDTX is a positive voltage regulator from onsemi, part of the MC78MXX series. This device is designed to provide a fixed output voltage of 8 volts with a maximum current of 500 mA. It is available in the DPAK package, making it suitable for a variety of applications where compact size and high performance are required.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Voltage (TJ = 25°C) | VO | 7.7 | 8.0 | 8.3 | Vdc |
| Output Voltage Variation (10.5 Vdc ≤ VI ≤ 23 Vdc, 5.0 mA ≤ IO ≤ 350 mA) | VO | 7.6 | 8.0 | 8.4 | Vdc |
| Line Regulation (TJ = 25°C, 10.5 Vdc ≤ VI ≤ 25 Vdc, IO = 200 mA) | Regline | - | - | 100 | mV |
| Load Regulation (TJ = 25°C, 5.0 mA ≤ IO ≤ 500 mA) | Regload | - | - | 30 | mV |
| Peak Output Current (TJ = 25°C) | IO | - | - | 700 | mA |
| Average Temperature Coefficient of Output Voltage (IO = 5.0 mA) | ΔVO/ΔT | - | ±0.2 | - | mV/°C |
Key Features
- Fixed Output Voltage: The MC78M08CDTX provides a stable output voltage of 8 volts.
- High Current Capability: It can supply up to 500 mA of current.
- Compact Packaging: Available in the DPAK package, which is ideal for space-constrained applications.
- Low Line and Load Regulation: Ensures stable output voltage across a range of input voltages and load conditions.
- Thermal Stability: The device has a low average temperature coefficient of output voltage, ensuring minimal drift with temperature changes.
Applications
The MC78M08CDTX is suitable for various applications requiring a stable 8-volt power supply, such as:
- Industrial control systems
- Consumer electronics
- Automotive systems
- Medical devices
- Telecommunication equipment
Q & A
- What is the output voltage of the MC78M08CDTX? The output voltage is 8 volts.
- What is the maximum current the MC78M08CDTX can supply? The maximum current is 500 mA.
- In what package is the MC78M08CDTX available? It is available in the DPAK package.
- What is the line regulation of the MC78M08CDTX? The line regulation is up to 100 mV for input voltages between 10.5 Vdc and 25 Vdc.
- What is the load regulation of the MC78M08CDTX? The load regulation is up to 30 mV for currents between 5 mA and 500 mA.
- What is the peak output current of the MC78M08CDTX? The peak output current is 700 mA.
- How does the output voltage vary with temperature? The average temperature coefficient of output voltage is ±0.2 mV/°C.
- What are some common applications of the MC78M08CDTX? It is used in industrial control systems, consumer electronics, automotive systems, medical devices, and telecommunication equipment.
- What is the input voltage range for the MC78M08CDTX? The input voltage range is typically between 10.5 Vdc and 23 Vdc.
- Is the MC78M08CDTX suitable for high-temperature environments? Yes, it operates over a junction temperature range from 0°C to 125°C.
