Overview
The MC7812ABD2TR4G is a fixed-voltage regulator from onsemi, designed to provide a stable output voltage of 12 volts. This monolithic integrated circuit is part of the MC78XX series, which is widely used for local, on-card regulation in various electronic systems. The device is capable of delivering output currents in excess of 1.0 A with adequate heatsinking and features internal current limiting, thermal shutdown, and safe-area compensation.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Voltage (TJ = 25°C) | VO | 11.75 | 12 | 12.25 | Vdc |
| Output Voltage (5.0 mA ≤ IO ≤ 1.0 A, PD ≤ 15 W) | VO | 11.5 | 12 | 12.5 | Vdc |
| Line Regulation (TJ = 25°C) | Regline | - | - | 3.8 | mV |
| Load Regulation (TJ = 25°C) | Regload | - | - | 1.6 | mV |
| Quiescent Current | IB | 3.4 | 6.5 | - | mA |
| Short Circuit Current Limit (TA = 25°C) | ISC | - | - | 0.2 | A |
| Peak Output Current (TJ = 25°C) | Imax | - | - | 2.2 | A |
| Dropout Voltage (IO = 1.0 A, TJ = 25°C) | VI - VO | - | - | 2.0 | V |
| Output Noise Voltage (TA = 25°C) | Vn | - | - | 10 | μV/VO |
| Output Resistance (f = 1.0 kHz) | rO | - | - | 1.1 | mΩ |
Key Features
- Output current in excess of 1.0 A with adequate heatsinking.
- No external components required for operation.
- Internal thermal overload protection and 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.
- AEC-Q100 qualified and PPAP capable for automotive and other applications requiring unique site and control change requirements.
- Pb-free devices.
Applications
The MC7812ABD2TR4G is suitable for a wide variety of applications, including local, on-card regulation in electronic systems. It is commonly used in power supplies, battery chargers, and other devices requiring stable voltage regulation. The device's robust features make it ideal for automotive, industrial, and consumer electronics.
Q & A
- What is the output voltage of the MC7812ABD2TR4G?
The output voltage of the MC7812ABD2TR4G is 12 volts. - What is the maximum output current of the MC7812ABD2TR4G?
The device can deliver output currents in excess of 1.0 A with adequate heatsinking. - Does the MC7812ABD2TR4G require external components for operation?
No, the MC7812ABD2TR4G does not require external components for operation. - What are the key protection features of the MC7812ABD2TR4G?
The device features internal thermal overload protection and short circuit current limiting. - In what packages is the MC7812ABD2TR4G available?
The MC7812ABD2TR4G is available in surface mount D2PAK-3, DPAK-3, and standard 3-lead transistor packages. - Is the MC7812ABD2TR4G suitable for automotive applications?
- What is the dropout voltage of the MC7812ABD2TR4G?
The dropout voltage of the MC7812ABD2TR4G is 2.0 volts at an output current of 1.0 A. - What is the output noise voltage of the MC7812ABD2TR4G?
The output noise voltage of the MC7812ABD2TR4G is 10 μV/VO at a frequency range of 10 Hz to 100 kHz. - What is the output resistance of the MC7812ABD2TR4G?
The output resistance of the MC7812ABD2TR4G is 1.1 mΩ at a frequency of 1.0 kHz. - Is the MC7812ABD2TR4G a Pb-free device?
