Overview
The MC7805BDT is a 1.0 A positive voltage regulator produced by ON Semiconductor. This monolithic integrated circuit is designed as a fixed-voltage regulator, suitable for a wide variety of applications including local, on-card regulation. The device is part of the MC78XX series, known for its reliability and robust performance.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Voltage (TJ = 25°C) | VO | 4.8 | 5.0 | 5.2 | Vdc |
| Output Voltage (5.0 mA ≤ IO ≤ 1.0 A, PD ≤ 15 W) | VO | 4.75 | 5.0 | 5.25 | Vdc |
| Line Regulation (7.5 Vdc ≤ Vin ≤ 20 Vdc, IO = 500 mA) | Regline | - | 0.5 | 10 | mV |
| Load Regulation (5.0 mA ≤ IO ≤ 1.5 A, TJ = 25°C) | Regload | - | 10 | 20 | mV |
| Peak Output Current (TJ = 25°C) | Imax | - | - | 2.2 | A |
| Average Temperature Coefficient of Output Voltage | TCVO | - | -0.3 | - | mV/°C |
| Short Circuit Current Limit (TA = 25°C) | ISC | - | - | 0.2 | A |
Key Features
- Output current in excess of 1.0 A
- No external components required for operation
- Internal thermal overload protection
- Internal short circuit current limiting
- Output transistor safe-area compensation
- Output voltage offered in 1.5%, 2%, and 4% tolerance
- Available in surface mount D2PAK-3, DPAK-3, and standard 3-lead transistor packages
- NCV prefix for automotive and other applications requiring unique site and control change requirements; AEC-Q100 qualified
Applications
The MC7805BDT is versatile and can be used in various applications, including:
- Local, on-card voltage regulation
- Power supplies for electronic equipment
- Battery chargers and power adapters
- Automotive systems (with NCV prefix)
- Industrial control systems
- Consumer electronics
Q & A
- What is the typical output voltage of the MC7805BDT?
The typical output voltage is 5.0 Vdc. - What is the maximum output current of the MC7805BDT?
The maximum output current is 2.2 A. - Does the MC7805BDT require external components for operation?
No, it does not require external components for operation. - What kind of protection does the MC7805BDT have?
The device has internal thermal overload protection and internal short circuit current limiting. - In what packages is the MC7805BDT available?
The device is available in surface mount D2PAK-3, DPAK-3, and standard 3-lead transistor packages. - Is the MC7805BDT suitable for automotive applications?
Yes, with the NCV prefix, it is suitable for automotive and other applications requiring unique site and control change requirements. - What is the average temperature coefficient of output voltage?
The average temperature coefficient of output voltage is -0.3 mV/°C. - What is the short circuit current limit of the MC7805BDT?
The short circuit current limit is 0.2 A at TA = 25°C. - What are the typical line and load regulations of the MC7805BDT?
The typical line regulation is 0.5 mV and the typical load regulation is 10 mV. - Can the MC7805BDT be used for adjustable voltage regulation?
Yes, it can be used with external components to obtain adjustable voltages and currents.
