Overview
The MC7912BD2T is a negative voltage regulator from onsemi, part of the MC7900 series. This component is designed to provide a stable negative output voltage, making it suitable for various electronic systems that require a reliable negative voltage supply. The MC7912BD2T is particularly useful in applications where a regulated -12V output is necessary.
Key Specifications
| Characteristic | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Output Voltage (TJ = +25°C) | -11.5 | -12 | -12.5 | Vdc |
| Line Regulation (TJ = +25°C, IO = 100 mA) | - | - | 13 | mV |
| Load Regulation (TJ = +25°C, 5.0 mA ≤ IO ≤ 1.5 A) | - | - | 46 | mV |
| Input Bias Current (TJ = +25°C) | - | 4.4 | 8.0 | mA |
| Output Noise Voltage (TA = +25°C, 10 Hz ≤ f ≤ 100 kHz) | - | - | 75 | μV |
| Ripple Rejection (IO = 20 mA, f = 120 Hz) | - | - | 61 | dB |
| Dropout Voltage (IO = 1.0 A, TJ = +25°C) | - | - | 1.3 | Vdc |
| Average Temperature Coefficient of Output Voltage | - | - | -1.0 | mV/°C |
Key Features
- Stable Output Voltage: The MC7912BD2T provides a stable -12V output voltage, ensuring consistent performance in various applications.
- High Current Capability: This regulator can handle up to 1.0 A of output current, making it suitable for power-intensive applications.
- Low Dropout Voltage: With a dropout voltage of 1.3 Vdc, this regulator minimizes power loss and maximizes efficiency.
- Good Line and Load Regulation: The component offers excellent line and load regulation, ensuring the output voltage remains stable under varying input and load conditions.
- Low Output Noise: The MC7912BD2T has a low output noise voltage, which is crucial for applications requiring minimal noise interference.
- High Ripple Rejection: It features high ripple rejection, which helps in filtering out AC components from the input voltage.
Applications
- Power Supplies: The MC7912BD2T is commonly used in power supply units where a regulated negative voltage is required.
- Audio Equipment: It is used in audio equipment to provide a stable negative voltage supply, which is essential for maintaining audio quality.
- Industrial Control Systems: This regulator is used in industrial control systems where reliable and stable voltage supplies are critical.
- Medical Devices: The MC7912BD2T can be found in medical devices that require precise and stable voltage regulation.
- Automotive Systems: It is also used in automotive systems for providing a stable negative voltage supply to various components.
Q & A
- What is the output voltage of the MC7912BD2T?
The output voltage of the MC7912BD2T is -12V. - What is the maximum output current of the MC7912BD2T?
The maximum output current is 1.0 A. - What is the dropout voltage of the MC7912BD2T?
The dropout voltage is 1.3 Vdc. - What is the ripple rejection of the MC7912BD2T?
The ripple rejection is 61 dB. - What is the operating temperature range of the MC7912BD2T?
The operating temperature range is from -40°C to +125°C. - What is the typical input bias current of the MC7912BD2T?
The typical input bias current is 4.4 mA. - What is the output noise voltage of the MC7912BD2T?
The output noise voltage is 75 μV. - What are the common applications of the MC7912BD2T?
Common applications include power supplies, audio equipment, industrial control systems, medical devices, and automotive systems. - What is the average temperature coefficient of output voltage for the MC7912BD2T?
The average temperature coefficient of output voltage is -1.0 mV/°C. - What package type is the MC7912BD2T available in?
The MC7912BD2T is available in the D2PAK package type.
