Overview
The MC7915BD2TR4G is a negative voltage regulator from onsemi, part of the MC7900 series. This linear voltage regulator is designed to provide a stable negative output voltage with high accuracy and low dropout voltage. It is available in various packages, including D2PAK and TO-220, making it versatile for different application needs.
The MC7915BD2TR4G is particularly useful in systems requiring a reliable negative voltage supply, such as in audio equipment, medical devices, and industrial control systems. Its robust design and wide operating temperature range ensure reliable performance under various conditions.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Output Voltage (TJ = +25°C) | -14.4 | -15 | -15.6 | Vdc |
| Line Regulation (TJ = +25°C, IO = 100 mA) | 14 | 6.0 | 57 | mV |
| Load Regulation (TJ = +25°C, 5.0 mA ≤ IO ≤ 1.5 A) | 68 | 25 | 300 | mV |
| Input Bias Current (TJ = +25°C) | 4.4 | 8.0 | mA | |
| Dropout Voltage (IO = 1.0 A, TJ = +25°C) | 1.3 | Vdc | ||
| Ripple Rejection (IO = 20 mA, f = 120 Hz) | 60 | dB | ||
| Operating Temperature Range | -40°C | 125°C | ||
| Package | D2PAK, TO-220 |
Key Features
- Stable Output Voltage: Provides a stable negative output voltage with a tolerance of 2% or 4%.
- Low Dropout Voltage: Ensures efficient operation with a dropout voltage of 1.3 Vdc at IO = 1.0 A.
- High Ripple Rejection: Offers high ripple rejection of 60 dB at 120 Hz, ensuring a clean output voltage.
- Wide Operating Temperature Range: Operates reliably from -40°C to +125°C.
- Various Packages: Available in D2PAK and TO-220 packages, making it suitable for different design requirements.
Applications
- Audio Equipment: Used in audio amplifiers and other audio equipment requiring stable negative voltage supplies.
- Medical Devices: Suitable for medical devices that require precise and reliable voltage regulation.
- Industrial Control Systems: Used in industrial control systems, instrumentation, and other applications requiring stable negative voltages.
- Power Supplies: Can be used in power supply designs where a negative voltage rail is necessary.
Q & A
- What is the output voltage of the MC7915BD2TR4G?
The output voltage of the MC7915BD2TR4G is -15 Vdc with a tolerance of 2% or 4%.
- What is the dropout voltage of the MC7915BD2TR4G?
The dropout voltage is 1.3 Vdc at IO = 1.0 A.
- What is the ripple rejection of the MC7915BD2TR4G?
The ripple rejection is 60 dB at 120 Hz.
- What are the available packages for the MC7915BD2TR4G?
The MC7915BD2TR4G is available in D2PAK and TO-220 packages.
- What is the operating temperature range of the MC7915BD2TR4G?
The operating temperature range is from -40°C to +125°C.
- What is the input bias current of the MC7915BD2TR4G?
The input bias current is typically 4.4 mA to 8.0 mA.
- What are some common applications of the MC7915BD2TR4G?
Common applications include audio equipment, medical devices, industrial control systems, and power supplies.
- How does the MC7915BD2TR4G ensure stability and transient response?
It requires capacitors Cin and CO to improve stability and transient response.
- What is the average temperature coefficient of output voltage for the MC7915BD2TR4G?
The average temperature coefficient of output voltage is -1.0 mV/°C.
- Can the MC7915BD2TR4G be used in high-power applications?
Yes, it can handle up to 1.0 A of output current and is suitable for various high-power applications.
