Overview
The MC7812CD2T, produced by onsemi, is a linear voltage regulator designed to provide a stable output voltage of 12 volts. This device is part of the MC78XX series, known for its reliability and performance in various electronic systems. The MC7812CD2T is available in a D2PAK-3 surface mount package, making it suitable for a wide range of applications where space is a concern.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Voltage (TJ = 25°C) | VO | 11.5 | 12 | 12.5 | Vdc |
| Output Voltage (5.0 mA ≤ IO ≤ 1.0 A, PD ≤ 15 W) | VO | 11.4 | 12 | 12.6 | Vdc |
| Line Regulation (TJ = 25°C) | Regline | - | - | 7.5 | mV |
| Load Regulation (TJ = 25°C) | Regload | - | - | 1.6 | mV |
| Quiescent Current | IB | 3.4 | - | 8.0 | mA |
| Peak Output Current (TJ = 25°C) | Imax | - | - | 2.2 | A |
| Short Circuit Current Limit (TA = 25°C) | ISC | - | - | 0.2 | A |
| Dropout Voltage (IO = 1.0 A, TJ = 25°C) | VI - VO | - | - | 2.0 | Vdc |
| Output Noise Voltage (TA = 25°C) | Vn | - | - | 10 | μV/VO |
| Output Resistance (f = 1.0 kHz) | rO | - | - | 1.1 | mΩ |
| Average Temperature Coefficient of Output Voltage | TCVO | - | - | -0.8 | mV/°C |
Key Features
- Internal Thermal Overload Protection: Protects the device from overheating.
- Internal Short Circuit Current Limiting: Limits the current in case of a short circuit.
- Output Transistor Safe-Area Compensation: Ensures the output transistor operates within safe limits.
- Output Voltage Tolerance: Available in 1.5%, 2%, and 4% tolerance options.
- Package Options: Available in D2PAK-3, DPAK-3, and standard 3-lead transistor packages.
- AEC-Q100 Qualified and PPAP Capable: Suitable for automotive and other applications requiring high reliability.
- Pb-Free Devices: Compliant with lead-free regulations.
Applications
The MC7812CD2T is versatile and can be used in a variety of applications, including:
- Automotive Systems: Due to its AEC-Q100 qualification, it is suitable for use in automotive electronics.
- Industrial Control Systems: Provides stable voltage for industrial control and automation systems.
- Consumer Electronics: Used in various consumer electronic devices requiring stable voltage regulation.
- Medical Devices: Can be used in medical equipment where reliable voltage regulation is critical.
Q & A
- What is the output voltage of the MC7812CD2T?
The output voltage of the MC7812CD2T is 12 volts. - What is the typical quiescent current of the MC7812CD2T?
The typical quiescent current is 3.4 mA. - What is the maximum peak output current of the MC7812CD2T?
The maximum peak output current is 2.2 amps. - Does the MC7812CD2T have internal thermal overload protection?
Yes, it has internal thermal overload protection. - What are the package options for the MC7812CD2T?
It is available in D2PAK-3, DPAK-3, and standard 3-lead transistor packages. - Is the MC7812CD2T AEC-Q100 qualified?
Yes, it is AEC-Q100 qualified and PPAP capable. - What is the dropout voltage of the MC7812CD2T at 1.0 A output current?
The dropout voltage is 2.0 volts. - What is the output noise voltage of the MC7812CD2T?
The output noise voltage is 10 μV/VO. - What is the average temperature coefficient of output voltage for the MC7812CD2T?
The average temperature coefficient of output voltage is -0.8 mV/°C. - Is the MC7812CD2T lead-free?
Yes, it is a Pb-free device.
