Overview
The MC7815ABT is a 15V fixed-voltage linear voltage regulator produced by onsemi. This device is part of the MC78XX series, known for its high performance and reliability in voltage regulation. The MC7815ABT is designed to provide a stable 15V output voltage with minimal voltage drop and high current capability, making it suitable for a wide range of applications requiring stable power supply.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Voltage (TJ = 25°C) | VO | 14.4 | 15 | 15.6 | Vdc |
| Output Voltage (5.0 mA ≤ IO ≤ 1.0 A, PD ≤ 15 W) | VO | 14.25 | 15 | 15.75 | Vdc |
| Line Regulation (TJ = 25°C) | Regline | - | - | 7.5 | mV |
| Load Regulation (TJ = 25°C) | Regload | - | - | 1.6 | mV |
| Quiescent Current | IB | 3.4 | - | 8.0 | mA |
| Peak Output Current (TJ = 25°C) | Imax | - | - | 2.2 | A |
| Short Circuit Current Limit (TA = 25°C) | ISC | - | - | 0.2 | A |
| Output Noise Voltage (TA = 25°C) | Vn | - | - | 10 | μV/VO |
| Output Resistance (f = 1.0 kHz) | rO | - | - | 1.1 | mΩ |
| Average Temperature Coefficient of Output Voltage | TCVO | - | - | -0.8 | mV/°C |
Key Features
- High Accuracy: The MC7815ABT provides a highly accurate output voltage with minimal deviation over temperature and load conditions.
- High Current Capability: It can supply up to 1.5 A of output current, making it suitable for power-hungry applications.
- Low Dropout Voltage: The device has a low dropout voltage, ensuring efficient operation even when the input voltage is close to the output voltage.
- Short Circuit Protection: Built-in short circuit current limit protects the device from damage due to overcurrent conditions.
- Thermal Overload Protection: Internal thermal shutdown prevents the device from overheating, enhancing reliability and lifespan.
- Low Output Noise: The regulator features low output noise, which is crucial for applications requiring clean power supply.
Applications
- Industrial Power Supplies: Suitable for use in industrial power supplies where stable and reliable voltage regulation is critical.
- Consumer Electronics: Used in various consumer electronics such as audio equipment, televisions, and other devices requiring stable DC power.
- Automotive Systems: Can be used in automotive systems where robust and reliable voltage regulation is necessary.
- Medical Devices: Applicable in medical devices that require precise and stable power supply.
- Telecommunication Equipment: Used in telecommunication equipment to ensure stable power supply to sensitive components.
Q & A
- What is the output voltage of the MC7815ABT?
The output voltage of the MC7815ABT is 15V.
- What is the maximum output current of the MC7815ABT?
The maximum output current of the MC7815ABT is 1.5 A.
- What is the typical quiescent current of the MC7815ABT?
The typical quiescent current of the MC7815ABT is 3.4 mA.
- Does the MC7815ABT have short circuit protection?
Yes, the MC7815ABT has built-in short circuit current limit protection.
- What is the average temperature coefficient of output voltage for the MC7815ABT?
The average temperature coefficient of output voltage for the MC7815ABT is -0.8 mV/°C.
- What is the output noise voltage of the MC7815ABT?
The output noise voltage of the MC7815ABT is 10 μV/VO.
- What is the dropout voltage of the MC7815ABT?
The dropout voltage of the MC7815ABT is 2.0 V.
- Is the MC7815ABT suitable for high-temperature applications?
Yes, the MC7815ABT can operate over a junction temperature range from 0°C to 125°C.
- What are some common applications of the MC7815ABT?
The MC7815ABT is commonly used in industrial power supplies, consumer electronics, automotive systems, medical devices, and telecommunication equipment.
- Does the MC7815ABT have thermal overload protection?
Yes, the MC7815ABT has internal thermal shutdown to prevent overheating.
