Overview
The MC7812BDTRK is a fixed output voltage regulator integrated circuit produced by ON Semiconductor. This device is part of the MC78XX series, known for its reliability and performance in voltage regulation applications. The MC7812BDTRK provides a fixed output voltage of 12 volts and is capable of delivering up to 1 ampere of current. It is designed to operate with an input voltage range of up to 35 volts, making it versatile for various power supply designs.
Key Specifications
| Characteristic | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Output Voltage (TJ = 25°C) | 11.5 | 12 | 12.5 | Vdc |
| Output Voltage (5.0 mA ≤ IO ≤ 1.0 A, PD ≤ 15 W) | 11.4 | 12 | 12.6 | Vdc |
| Line Regulation (TJ = 25°C) | - | - | 7.5 | mV |
| Load Regulation (TJ = 25°C) | - | - | 1.6 | mV |
| Quiescent Current | 3.4 | - | 8.0 | mA |
| Short Circuit Current Limit (TA = 25°C) | - | - | 0.2 | A |
| Peak Output Current (TJ = 25°C) | - | - | 2.2 | A |
| Average Temperature Coefficient of Output Voltage | - | - | -0.8 | mV/°C |
| Input Voltage Range | - | - | 35 | V |
Key Features
- Fixed Output Voltage: Provides a stable output voltage of 12 volts.
- High Current Capability: Can deliver up to 1 ampere of current.
- Wide Input Voltage Range: Operates with input voltages up to 35 volts.
- Low Dropout Voltage: Dropout voltage of 2.0 volts at 1 ampere output current.
- Short Circuit Protection: Includes a short circuit current limit to protect the device.
- Thermal Stability: Features a low average temperature coefficient of output voltage.
Applications
The MC7812BDTRK is suitable for a variety of applications requiring stable and regulated voltage, including:
- Power supplies for electronic devices.
- Industrial control systems.
- Automotive electronics.
- Consumer electronics.
- Medical devices.
Q & A
- What is the output voltage of the MC7812BDTRK?
The output voltage of the MC7812BDTRK is 12 volts.
- What is the maximum current the MC7812BDTRK can deliver?
The MC7812BDTRK can deliver up to 1 ampere of current.
- What is the input voltage range for the MC7812BDTRK?
The input voltage range for the MC7812BDTRK is up to 35 volts.
- Does the MC7812BDTRK have short circuit protection?
- What is the dropout voltage of the MC7812BDTRK?
The dropout voltage of the MC7812BDTRK is 2.0 volts at 1 ampere output current.
- How does the MC7812BDTRK handle thermal stability?
The MC7812BDTRK features a low average temperature coefficient of output voltage for thermal stability.
- What are some common applications for the MC7812BDTRK?
The MC7812BDTRK is used in power supplies, industrial control systems, automotive electronics, consumer electronics, and medical devices.
- What is the quiescent current of the MC7812BDTRK?
The quiescent current of the MC7812BDTRK is between 3.4 mA and 8.0 mA.
- How does the MC7812BDTRK regulate line and load variations?
The MC7812BDTRK has specified line and load regulation to ensure stable output voltage across different input and load conditions.
- What is the output noise voltage of the MC7812BDTRK?
The output noise voltage of the MC7812BDTRK is typically around 10 μV/VO from 10 Hz to 100 kHz.
