Overview
The MC7815BDTRKG is a fixed-voltage regulator from onsemi, designed to provide a stable output voltage of 15 volts. This monolithic integrated circuit is part of the MC78XX series, known for its reliability and versatility in various electronic applications. The device is capable of delivering output currents in excess of 1.0 A with adequate heatsinking, making it suitable for high-current requirements. It features internal current limiting, thermal shutdown, and safe-area compensation, ensuring robust operation under different conditions.
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 | 14.4 | 15 | 15.6 | Vdc |
| Line Regulation (7.5 Vdc ≤ Vin ≤ 20 Vdc, IO = 1.0 A) | Regline | - | 0.5 | 1.3 | mV |
| Load Regulation (5.0 mA ≤ IO ≤ 1.0 A) | Regload | - | 1.3 | 25 | mV |
| Quiescent Current | IB | 3.2 | 6.5 | - | mA |
| Peak Output Current (TJ = 25°C) | Imax | - | - | 2.2 | A |
| Average Temperature Coefficient of Output Voltage | TCVO | - | -0.3 | - | mV/°C |
| Short Circuit Current Limit (TA = 25°C) | ISC | - | - | 0.2 | A |
| Dropout Voltage (IO = 1.0 A, TJ = 25°C) | VI - VO | - | - | 2.0 | Vdc |
Key Features
- Output current in excess of 1.0 A with adequate heatsinking.
- No external components required for operation.
- Internal current limiting and thermal shutdown for protection.
- Safe-area compensation for reliable operation.
- Fixed output voltage of 15 volts.
- Low line and load regulation.
- Low quiescent current.
- High ripple rejection.
Applications
The MC7815BDTRKG is suitable for a wide variety of applications, including local, on-card regulation in electronic devices. It can be used in power supplies, battery chargers, and other systems requiring a stable 15-volt output. Additionally, it can be employed in industrial control systems, medical devices, and consumer electronics where reliable voltage regulation is critical.
Q & A
- What is the output voltage of the MC7815BDTRKG?
The output voltage of the MC7815BDTRKG is 15 volts. - What is the maximum output current of the MC7815BDTRKG?
The maximum output current is in excess of 1.0 A with adequate heatsinking. - Does the MC7815BDTRKG require external components for operation?
No, the MC7815BDTRKG does not require external components for operation. - What are the protection features of the MC7815BDTRKG?
The device features internal current limiting and thermal shutdown for protection. - What is the quiescent current of the MC7815BDTRKG?
The quiescent current is typically 6.5 mA. - What is the dropout voltage of the MC7815BDTRKG?
The dropout voltage is 2.0 Vdc at IO = 1.0 A and TJ = 25°C. - What is the short circuit current limit of the MC7815BDTRKG?
The short circuit current limit is 0.2 A at TA = 25°C. - What are the typical applications of the MC7815BDTRKG?
The device is used in power supplies, battery chargers, industrial control systems, medical devices, and consumer electronics. - What is the average temperature coefficient of output voltage for the MC7815BDTRKG?
The average temperature coefficient of output voltage is -0.3 mV/°C. - What is the ripple rejection of the MC7815BDTRKG?
The ripple rejection is typically 56 dB at f = 120 Hz and IO = 500 mA.
