Overview
The MC7815BD2TR4 is a linear voltage regulator IC produced by onsemi. It is part of the MC78XX series, known for its reliability and performance in providing a stable output voltage. This specific model is designed to deliver a fixed output voltage of 15V with a maximum current of 1A. The device is packaged in a D2PAK (TO-263) case, which is suitable for high-power applications and provides good thermal dissipation.
This regulator is widely used in various electronic systems where a stable and regulated voltage is essential. It features internal thermal shutdown and current limiting, making it robust and safe for use in demanding environments.
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 | - | - | 8.5 | mV |
| Load Regulation (5.0 mA ≤ IO ≤ 1.5 A, TJ = 25°C) | Regload | - | - | 100 | mV |
| Peak Output Current (TJ = 25°C) | Imax | - | - | 2.2 | A |
| Average Temperature Coefficient of Output Voltage | TCVO | - | - | -0.8 | mV/°C |
| Short Circuit Current Limit (TA = 25°C) | ISC | - | - | 0.2 | A |
Key Features
- Fixed Output Voltage: Provides a stable output voltage of 15V.
- High Current Capability: Can deliver up to 1A of output current.
- Internal Thermal Shutdown: Protects the device from overheating.
- Current Limiting: Prevents excessive current draw.
- Low Dropout Voltage: Ensures efficient voltage regulation.
- D2PAK Package: Offers good thermal dissipation and is suitable for high-power applications.
Applications
- Power Supplies: Used in various power supply designs to provide a stable output voltage.
- Industrial Control Systems: Suitable for use in industrial control systems where reliable voltage regulation is critical.
- Automotive Systems: Can be used in automotive electronics due to its robustness and thermal protection features.
- Consumer Electronics: Found in consumer electronics such as audio equipment, medical devices, and other applications requiring stable DC voltage.
Q & A
- What is the output voltage of the MC7815BD2TR4?
The output voltage of the MC7815BD2TR4 is 15V.
- What is the maximum output current of the MC7815BD2TR4?
The maximum output current is 1A.
- What type of package does the MC7815BD2TR4 come in?
The MC7815BD2TR4 comes in a D2PAK (TO-263) package.
- Does the MC7815BD2TR4 have internal thermal shutdown?
Yes, it has internal thermal shutdown to protect against overheating.
- What is the average temperature coefficient of output voltage for the MC7815BD2TR4?
The average temperature coefficient of output voltage is -0.8 mV/°C.
- What is the short circuit current limit for the MC7815BD2TR4?
The short circuit current limit is 0.2 A at TA = 25°C.
- What are the typical applications of the MC7815BD2TR4?
Typical applications include power supplies, industrial control systems, automotive systems, and consumer electronics.
- How does the MC7815BD2TR4 handle line and load regulation?
The device has specified line and load regulation characteristics to ensure stable output voltage across various input and load conditions.
- Is the MC7815BD2TR4 suitable for high-power applications?
Yes, the D2PAK package and its thermal characteristics make it suitable for high-power applications.
- What are the input voltage requirements for the MC7815BD2TR4?
The input voltage must be at least 2.0 V above the output voltage, even during the low point on the input ripple voltage.
