Overview
The MC7915ACTG is a fixed output negative voltage regulator from the MC7900 series, manufactured by onsemi. This component is designed as a complement to the popular MC7800 series and is intended for applications requiring stable negative voltage regulation. The MC7915ACTG provides a fixed output voltage of -15V and can handle a maximum current of 1A, making it suitable for a variety of electronic systems that require reliable and stable negative voltage supply.
Key Specifications
| Characteristic | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Output Voltage (TJ = +25°C) | -14.7 | -15 | -15.3 | Vdc |
| Line Regulation (TJ = +25°C, IO = 100 mA) | -17.5 | -20 | mV | |
| Load Regulation (TJ = +25°C, 5.0 mA ≤ IO ≤ 1.5 A) | 68 | 150 | 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 | ||
| Output Noise Voltage (TA = +25°C, 10 Hz ≤ f ≤ 100 kHz) | 90 | μV | ||
| Average Temperature Coefficient of Output Voltage | -1.0 | mV/°C |
Key Features
- Fixed Output Voltage: The MC7915ACTG provides a stable output voltage of -15V.
- High Current Capability: It can handle a maximum current of 1A, making it suitable for various power-intensive applications.
- Line and Load Regulation: Excellent line and load regulation ensure stable output voltage across a range of input voltages and load conditions.
- Low Dropout Voltage: A dropout voltage of 1.3V at 1A output current minimizes power loss.
- High Ripple Rejection: The component offers high ripple rejection, ensuring a clean output voltage even in noisy input conditions.
- Low Output Noise: The output noise voltage is minimized, making it suitable for sensitive electronic circuits.
- Temperature Stability: The average temperature coefficient of output voltage ensures stable performance over a wide temperature range.
Applications
- Power Supplies: Used in power supply units requiring stable negative voltage regulation.
- Audio Equipment: Suitable for audio equipment that requires clean and stable negative voltage supply.
- Industrial Control Systems: Used in industrial control systems where reliable negative voltage regulation is essential.
- Medical Devices: Can be used in medical devices that require stable and regulated negative voltage supply.
- Telecommunication Equipment: Applied in telecommunication equipment for stable negative voltage regulation.
Q & A
- What is the output voltage of the MC7915ACTG?
The output voltage of the MC7915ACTG is -15V.
- What is the maximum current that the MC7915ACTG can handle?
The MC7915ACTG can handle a maximum current of 1A.
- What is the dropout voltage of the MC7915ACTG at 1A output current?
The dropout voltage is 1.3V at 1A output current.
- How good is the ripple rejection of the MC7915ACTG?
The MC7915ACTG offers a high ripple rejection of 60 dB at 120 Hz.
- What is the output noise voltage of the MC7915ACTG?
The output noise voltage is 90 μV over the frequency range of 10 Hz to 100 kHz.
- What is the average temperature coefficient of output voltage for the MC7915ACTG?
The average temperature coefficient of output voltage is -1.0 mV/°C.
- What are the typical applications of the MC7915ACTG?
The MC7915ACTG is typically used in power supplies, audio equipment, industrial control systems, medical devices, and telecommunication equipment.
- Does the MC7915ACTG have built-in ESD protection?
Yes, the MC7915ACTG contains ESD protection and exceeds the Human Body Model 2000 V per MIL_STD_883, Method 3015 and Machine Model 200 V tests.
- What is the operating temperature range for the MC7915ACTG?
The operating junction temperature range is from 0°C to +125°C for the MC7915ACTG.
- How do I ensure stable operation of the MC7915ACTG?
Ensure a common ground between the input and output voltages, and maintain the input voltage at least 2.0 V above the output voltage. Also, use appropriate capacitors (Cin and CO) for stability and transient response.
