Overview
The MC7812BDTRKG is a linear voltage regulator produced by onsemi, designed to provide a stable 12V output voltage with a maximum current of 1A. This regulator is part of the MC78XX series, known for its reliability and performance in various electronic systems. The MC7812BDTRKG is packaged in a TO-252-3 (DPAK) case, which is Pb-free and suitable for surface mount applications. It operates over a wide temperature range from -40°C to 125°C, making it versatile for use in diverse environments.
Key Specifications
| Characteristic | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Output Voltage (TJ = 25°C) | 11.5 | 12 | 12.5 | Vdc |
| Input Voltage Range | 14 | 35 | Vdc | |
| Output Current | 1 | A | ||
| Line Regulation (TJ = 25°C) | 7.5 | mV | ||
| Load Regulation (TJ = 25°C) | 1.6 | mV | ||
| Dropout Voltage (IO = 1A, TJ = 25°C) | 2.0 | V | ||
| Output Noise Voltage (10 Hz to 100 kHz) | 10 | μV/VO | ||
| Output Resistance (f = 1 kHz) | 1.1 | mΩ | ||
| Short Circuit Current Limit (TA = 25°C) | 0.2 | A | ||
| Operating Temperature Range | -40 | 125 | °C | |
| Package Type | TO-252-3 (DPAK) |
Key Features
- Fixed 12V Output Voltage: Provides a stable 12V output voltage, suitable for various applications requiring a constant voltage supply.
- High Current Capability: Supports up to 1A of output current, making it suitable for power-intensive applications.
- Wide Input Voltage Range: Operates with input voltages from 14V to 35V, offering flexibility in system design.
- Low Dropout Voltage: A dropout voltage of 2.0V at 1A output current ensures efficient operation even at low input voltages.
- Low Output Noise: Features low output noise of 10 μV/VO, which is beneficial for noise-sensitive applications.
- Short Circuit Protection: Includes a short circuit current limit to protect the regulator from overcurrent conditions.
- Compact TO-252-3 (DPAK) Package: Pb-free and suitable for surface mount applications, offering a compact solution for space-constrained designs.
Applications
The MC7812BDTRKG is suitable for a variety of applications, including:
- Power Supplies: Used in linear power supplies where a stable 12V output is required.
- Industrial Control Systems: Ideal for industrial control systems that need reliable voltage regulation.
- Automotive Systems: Can be used in automotive applications due to its wide operating temperature range and robust performance.
- Consumer Electronics: Suitable for consumer electronics that require a stable and efficient voltage supply.
- Medical Devices: Used in medical devices where precise voltage regulation is critical.
Q & A
- What is the output voltage of the MC7812BDTRKG?
The output voltage of the MC7812BDTRKG is 12V. - What is the maximum output current of the MC7812BDTRKG?
The maximum output current is 1A. - What is the input voltage range for the MC7812BDTRKG?
The input voltage range is from 14V to 35V. - What is the dropout voltage of the MC7812BDTRKG at 1A output current?
The dropout voltage is 2.0V at 1A output current. - What is the operating temperature range of the MC7812BDTRKG?
The operating temperature range is from -40°C to 125°C. - What type of package does the MC7812BDTRKG come in?
The MC7812BDTRKG comes in a TO-252-3 (DPAK) package. - Is the MC7812BDTRKG Pb-free?
Yes, the MC7812BDTRKG is Pb-free. - What is the output noise voltage of the MC7812BDTRKG?
The output noise voltage is 10 μV/VO. - Does the MC7812BDTRKG have short circuit protection?
Yes, it includes a short circuit current limit to protect the regulator. - What are some common applications for the MC7812BDTRKG?
Common applications include power supplies, industrial control systems, automotive systems, consumer electronics, and medical devices.
