Overview
The MC7805CDTRK is a three-terminal positive voltage regulator integrated circuit designed and manufactured by ON Semiconductor. This device is part of the MC7800 series and is specifically engineered to provide a fixed 5V output voltage, making it suitable for a wide range of applications, including local and on-card regulation.
The MC7805CDTRK is capable of delivering up to 1A of output current and features internal current limiting, thermal shutdown, and safe-area compensation to ensure stable and reliable operation.
Key Specifications
| Characteristic | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Output Voltage (TJ = 25°C) | 4.9 | 5.0 | 5.1 | Vdc |
| Output Current (TJ = 25°C) | - | - | 1.0 | A |
| Input Voltage (Max) | - | - | 35 | V |
| Line Regulation (7.5 Vdc ≤ Vin ≤ 20 Vdc, IO = 500 mA) | - | - | 0.5 | mV |
| Load Regulation (5.0 mA ≤ IO ≤ 1.0 A) | - | - | 10 | mV |
| Output Noise Voltage (10 Hz ≤ f ≤ 100 kHz) | - | - | 10 | μV/VO |
| Output Resistance (f = 1.0 kHz) | - | - | 0.9 | mΩ |
| Short Circuit Current Limit (TA = 25°C) | - | - | 0.2 | A |
| Dropout Voltage (IO = 1.0 A, TJ = 25°C) | - | - | 2.0 | V |
| Average Temperature Coefficient of Output Voltage | - | - | -0.3 | mV/°C |
Key Features
- Fixed 5V output voltage with 1.5%, 2%, and 4% tolerance options.
- Output current in excess of 1.0 A.
- No external components required for operation.
- Internal thermal overload protection and short circuit current limiting.
- Safe-area compensation for the output transistor.
- Available in various packages including TO-220-3, D2PAK-3, and DPAK-3.
Applications
The MC7805CDTRK is versatile and can be used in a variety of applications, including:
- Local and on-card voltage regulation in electronic devices.
- Power supplies for embedded systems and microcontrollers.
- Consumer electronics such as audio equipment and home appliances.
- Industrial control systems and automation.
- Automotive electronics where a stable 5V supply is required.
Q & A
- What is the output voltage of the MC7805CDTRK?
The MC7805CDTRK provides a fixed output voltage of 5V.
- What is the maximum output current of the MC7805CDTRK?
The maximum output current is 1.0 A.
- What is the maximum input voltage for the MC7805CDTRK?
The maximum input voltage is 35V.
- Does the MC7805CDTRK require external components for operation?
No, the MC7805CDTRK does not require external components for basic operation.
- What protection features does the MC7805CDTRK have?
The MC7805CDTRK has internal thermal overload protection and short circuit current limiting.
- What are the common applications of the MC7805CDTRK?
It is used in local and on-card voltage regulation, power supplies for embedded systems, consumer electronics, industrial control systems, and automotive electronics.
- What are the available packages for the MC7805CDTRK?
It is available in TO-220-3, D2PAK-3, and DPAK-3 packages.
- How do I connect the MC7805CDTRK in a circuit?
Connect the input terminal to the positive input voltage source, the common terminal to ground, and take the regulated 5V output from the output terminal. Capacitors can be added for stability.
- What is the dropout voltage of the MC7805CDTRK?
The dropout voltage is 2.0V at an output current of 1.0A.
- What is the average temperature coefficient of the output voltage?
The average temperature coefficient of the output voltage is -0.3 mV/°C.
