Overview
The MC7915BTG is a negative voltage regulator from ON Semiconductor, part of the MC7900 series. This component is designed to provide a stable negative output voltage and is intended as a complement to the popular MC7800 series devices. It is capable of delivering up to 1.0 A of output current and is available in various fixed output voltage options. The MC7915BTG is known for its high performance, reliability, and robust specifications, making it suitable for a wide range of electronic applications.
Key Specifications
| Characteristics | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Voltage (TJ = +25°C) | VO | −14.7 | −15 | −15.3 | Vdc |
| Line Regulation (TJ = +25°C, IO = 1.0 A) | Regline | 14 | 27 | 57 | mV |
| Load Regulation (TJ = +25°C, 5.0 mA ≤ IO ≤ 1.5 A) | Regload | 25 | 40 | 68 | mV |
| Input Bias Current (TJ = +25°C) | IIB | 4.4 | 8.0 | mA | |
| Dropout Voltage (IO = 1.0 A, TJ = +25°C) | VI−VO | 1.3 | Vdc | ||
| Ripple Rejection (IO = 20 mA, f = 120 Hz) | RR | 60 | dB | ||
| Output Noise Voltage (TA = +25°C, 10 Hz ≤ f ≤ 100 kHz) | Vn | 90 | μV | ||
| Average Temperature Coefficient of Output Voltage | ΔVO/ΔT | −1.0 | mV/°C |
Key Features
- Fixed Negative Output Voltage: The MC7915BTG provides a fixed negative output voltage of -15 V.
- High Current Capability: It can deliver up to 1.0 A of output current.
- Low Dropout Voltage: The dropout voltage is typically 1.3 V at an output current of 1.0 A.
- Good Line and Load Regulation: The component exhibits good line and load regulation, ensuring stable output voltage across various input and load conditions.
- High Ripple Rejection: It offers high ripple rejection, typically 60 dB at 120 Hz.
- Low Output Noise: The output noise voltage is typically 90 μV over the frequency range of 10 Hz to 100 kHz.
Applications
The MC7915BTG is suitable for a variety of applications where a stable negative voltage is required. These include:
- Power Supplies: In power supply circuits where negative voltages are necessary.
- Audio Equipment: In audio amplifiers and other audio equipment that require negative voltage rails.
- Industrial Control Systems: In industrial control systems that need stable negative voltages for operation.
- Medical Devices: In medical devices that require precise and stable negative voltage supplies.
Q & A
- What is the output voltage of the MC7915BTG?
The output voltage of the MC7915BTG is -15 V. - What is the maximum output current of the MC7915BTG?
The maximum output current of the MC7915BTG is 1.0 A. - What is the typical dropout voltage of the MC7915BTG?
The typical dropout voltage of the MC7915BTG is 1.3 V at an output current of 1.0 A. - What is the ripple rejection of the MC7915BTG?
The ripple rejection of the MC7915BTG is typically 60 dB at 120 Hz. - What is the output noise voltage of the MC7915BTG?
The output noise voltage of the MC7915BTG is typically 90 μV over the frequency range of 10 Hz to 100 kHz. - What are the operating temperature ranges for the MC7915BTG?
The operating temperature range for the MC7915BTG is from 0°C to +125°C for the MC7915C and from -40°C to +125°C for the MC7915B. - What are some common applications of the MC7915BTG?
The MC7915BTG is commonly used in power supplies, audio equipment, industrial control systems, and medical devices. - How does the MC7915BTG handle line and load regulation?
The MC7915BTG exhibits good line and load regulation, ensuring stable output voltage across various input and load conditions. - What is the average temperature coefficient of output voltage for the MC7915BTG?
The average temperature coefficient of output voltage for the MC7915BTG is -1.0 mV/°C. - Where can I find detailed specifications for the MC7915BTG?
Detailed specifications for the MC7915BTG can be found in the datasheet available on the ON Semiconductor website or through other electronic component distributors.
