Overview
The MC7815ABD2TR4G 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, which is widely used for local, on-card regulation in various electronic systems. The device is capable of delivering output currents in excess of 1.0 A with adequate heatsinking, making it suitable for high-current applications. It features internal current limiting, thermal shutdown, and safe-area compensation, ensuring reliable operation under diverse conditions.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Voltage (TJ = 25°C) | VO | 14.7 | 15 | 15.3 | 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 | - | 0.8 | 10 | 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 | - | -0.8 | - | 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 to prevent output transistor failure.
- Low dropout voltage and high ripple rejection ratio.
- Operating junction temperature range from -40°C to 125°C.
Applications
- Local, on-card voltage regulation in various electronic systems.
- Power supplies for industrial, automotive, and consumer electronics.
- Adjustable voltage and current regulation with external components.
- High-current applications requiring stable voltage output.
Q & A
- What is the output voltage of the MC7815ABD2TR4G?
The output voltage of the MC7815ABD2TR4G is 15 volts.
- What is the maximum output current of the MC7815ABD2TR4G?
The maximum output current is in excess of 1.0 A with adequate heatsinking.
- Does the MC7815ABD2TR4G require external components for operation?
No, the MC7815ABD2TR4G does not require external components for operation.
- What are the protection features of the MC7815ABD2TR4G?
The device features internal current limiting and thermal shutdown for protection.
- What is the operating junction temperature range of the MC7815ABD2TR4G?
The operating junction temperature range is from -40°C to 125°C.
- What is the dropout voltage of the MC7815ABD2TR4G?
The dropout voltage is 2.0 Vdc at IO = 1.0 A and TJ = 25°C.
- What is the ripple rejection ratio of the MC7815ABD2TR4G?
The ripple rejection ratio is typically 56 dB at f = 120 Hz and IO = 500 mA.
- Can the MC7815ABD2TR4G be used for adjustable voltage regulation?
Yes, the device can be used with external components to obtain adjustable voltages and currents.
- What are common applications of the MC7815ABD2TR4G?
Common applications include local, on-card voltage regulation in various electronic systems, power supplies, and high-current applications.
- What is the short circuit current limit of the MC7815ABD2TR4G?
The short circuit current limit is 0.2 A at TA = 25°C.
