Overview
The MC7812CD2TG is a 12V fixed-voltage linear voltage regulator produced by onsemi. This device is part of the MC78XX series, known for its reliability and performance in various electronic systems. The MC7812CD2TG is designed to provide a stable 12V output voltage from an input voltage range of 14.5V to 27V, making it suitable for a wide range of applications requiring a regulated power supply.
This regulator features internal thermal overload protection, short circuit current limiting, and output transistor safe-area compensation, ensuring robust operation under different conditions. It is available in a surface mount D2PAK-3 package, which is compact and suitable for modern PCB designs.
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 |
| 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 |
| Short Circuit Current Limit (TA = 25°C) | ISC | - | - | 0.2 | A |
| Peak Output Current (TJ = 25°C) | Imax | - | - | 2.2 | A |
| Average Temperature Coefficient of Output Voltage | TCVO | - | - | -0.8 | mV/°C |
Key Features
- Internal thermal overload protection and short circuit current limiting for enhanced reliability.
- Output transistor safe-area compensation to ensure safe operation.
- Available in surface mount D2PAK-3 package, suitable for compact PCB designs.
- Output voltage tolerance options: 1.5%, 2%, and 4%.
- AEC-Q100 qualified and PPAP capable, making it suitable for automotive and other critical applications.
- Pb-free device, compliant with environmental regulations.
Applications
- Automotive systems: The NCV prefix versions are AEC-Q100 qualified, making them ideal for automotive applications.
- Industrial control systems: Provides stable voltage for various industrial control and automation systems.
- Consumer electronics: Suitable for use in consumer electronics requiring a reliable and stable power supply.
- Medical devices: Can be used in medical devices where precise voltage regulation is critical.
- Telecommunications: Used in telecommunications equipment for stable power supply.
Q & A
- What is the output voltage of the MC7812CD2TG?
The output voltage of the MC7812CD2TG is 12V, with a tolerance range of 11.5V to 12.5V at TJ = 25°C.
- What is the input voltage range for the MC7812CD2TG?
The input voltage range for the MC7812CD2TG is from 14.5V to 27V.
- What are the key protection features of the MC7812CD2TG?
The MC7812CD2TG features internal thermal overload protection and short circuit current limiting.
- What package type is the MC7812CD2TG available in?
The MC7812CD2TG is available in a surface mount D2PAK-3 package.
- Is the MC7812CD2TG suitable for automotive applications?
Yes, the NCV prefix versions are AEC-Q100 qualified and PPAP capable, making them suitable for automotive applications.
- What is the dropout voltage of the MC7812CD2TG?
The dropout voltage of the MC7812CD2TG is 2.0V at IO = 1.0A and TJ = 25°C.
- What is the output noise voltage of the MC7812CD2TG?
The output noise voltage of the MC7812CD2TG is 10μV/VO at TA = 25°C.
- What is the short circuit current limit of the MC7812CD2TG?
The short circuit current limit of the MC7812CD2TG is 0.2A at TA = 25°C.
- What is the peak output current of the MC7812CD2TG?
The peak output current of the MC7812CD2TG is 2.2A at TJ = 25°C.
- What is the average temperature coefficient of output voltage for the MC7812CD2TG?
The average temperature coefficient of output voltage for the MC7812CD2TG is -0.8mV/°C.
