Overview
The MC7805BDTG is a part of the MC7800 Series of positive linear voltage regulators produced by onsemi. These regulators are monolithic integrated circuits designed as fixed-voltage regulators for a wide variety of applications, including local, on-card regulation. They are capable of delivering output currents in excess of 1.0 A with adequate heatsinking. The MC7805BDTG is specifically a 5V fixed-voltage regulator, making it suitable for applications requiring a stable 5V output.
This device is also available in automotive versions (NCV7800) and can be used as an alternative to LM7805 or L7805 regulators. It is designed to operate without the need for external components, making it a convenient choice for many electronic designs.
Key Specifications
| Characteristic | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Output Voltage (TJ = 25°C) | 4.8 | 5.0 | 5.2 | Vdc |
| Output Voltage (5.0 mA ≤ IO ≤ 1.0 A, PD ≤ 15 W) | 4.75 | 5.0 | 5.25 | Vdc |
| Line Regulation (7.5 Vdc ≤ Vin ≤ 20 Vdc, IO = 1.0 A) | - | 1.3 | 10 | mV |
| Load Regulation (5.0 mA ≤ IO ≤ 1.0 A) | - | 1.3 | 25 | mV |
| Quiescent Current | 3.2 | 6.0 | - | mA |
| Dropout Voltage (IO = 1.0 A, TJ = 25°C) | - | - | 2.0 | Vdc |
| Short Circuit Current Limit (TA = 25°C) | - | - | 0.2 | A |
| Peak Output Current (TJ = 25°C) | - | - | 2.2 | A |
| Average Temperature Coefficient of Output Voltage | - | -0.3 | - | mV/°C |
| Temperature Range | -40°C | - | 125°C | - |
| Package | - | - | DPAK | - |
Key Features
- Output Current in Excess of 1.0 A
- No External Components Required
- Internal Thermal Overload Protection
- Internal Short Circuit Current Limiting
- Output Transistor Safe-Area Compensation
- Output Voltage Offered in 2% and 4% Tolerance
- Pb-Free Packages are Available
Applications
The MC7805BDTG is suitable for a wide range of applications, including:
- Local, on-card regulation in electronic devices
- Power supplies requiring a stable 5V output
- Automotive systems (with the NCV7800 version)
- Industrial control systems
- Consumer electronics
Q & A
- What is the output voltage of the MC7805BDTG?
The output voltage of the MC7805BDTG is 5V with a tolerance of 4% (4.8V to 5.2V at TJ = 25°C).
- What is the maximum output current of the MC7805BDTG?
The MC7805BDTG can deliver an output current in excess of 1.0 A with adequate heatsinking.
- What are the key protection features of the MC7805BDTG?
The device features internal thermal overload protection and internal short circuit current limiting.
- What is the temperature range of the MC7805BDTG?
The temperature range of the MC7805BDTG is -40°C to +125°C.
- What package types are available for the MC7805BDTG?
The MC7805BDTG is available in the DPAK package.
- Does the MC7805BDTG require external components to operate?
No, the MC7805BDTG does not require external components to operate.
- What is the dropout voltage of the MC7805BDTG?
The dropout voltage of the MC7805BDTG is 2.0 Vdc at IO = 1.0 A and TJ = 25°C.
- What is the quiescent current of the MC7805BDTG?
The quiescent current of the MC7805BDTG is typically 6.0 mA.
- Can the MC7805BDTG be used in automotive applications?
Yes, the MC7805BDTG has an automotive version (NCV7800) suitable for automotive applications.
- What is the average temperature coefficient of output voltage for the MC7805BDTG?
The average temperature coefficient of output voltage for the MC7805BDTG is -0.3 mV/°C.
