Overview
The MC7815ACTG is a monolithic integrated circuit designed as a fixed-voltage regulator by onsemi. This device is part of the 78XX series, which is widely used for local, on-card regulation in various electronic systems. The MC7815ACTG is specifically designed to provide a stable output voltage of 15 volts and can deliver output currents in excess of 1.0 A with adequate heatsinking.
It features internal current limiting, thermal shutdown, and safe-area compensation, making it a reliable choice for applications requiring stable voltage regulation.
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 | - | 3.0 | 8.5 | mV |
| Load Regulation (5.0 mA ≤ IO ≤ 1.0 A) | Regload | - | 1.3 | 25 | mV |
| Quiescent Current | IB | - | 3.2 | 8.0 | mA |
| Peak Output Current (TJ = 25°C) | Imax | - | - | 2.2 | A |
| Dropout Voltage (IO = 1.0 A, TJ = 25°C) | VI - VO | - | - | 2.0 | Vdc |
| Output Noise Voltage (10 Hz ≤ f ≤ 100 kHz) | Vn | - | - | 10 | μV/VO |
| Output Resistance (f = 1.0 kHz) | rO | - | - | 1.1 | mΩ |
| Short Circuit Current Limit (TA = 25°C) | ISC | - | - | 0.2 | A |
| Average Temperature Coefficient of Output Voltage | TCVO | - | - | -0.8 | mV/°C |
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.
- Can be used with external components to obtain adjustable voltages and currents.
- Low dropout voltage and low output noise.
- High ripple rejection ratio.
Applications
- Local, on-card voltage regulation in various electronic systems.
- Power supplies for industrial, automotive, and consumer electronics.
- Regulation of voltage in battery-powered devices.
- Use in adjustable voltage regulators with external components.
- Embedded systems requiring stable voltage regulation.
Q & A
- What is the output voltage of the MC7815ACTG?
The output voltage of the MC7815ACTG is 15 Vdc, with a typical value of 15 V and a range of 14.4 V to 15.6 V at TJ = 25°C.
- What is the maximum output current of the MC7815ACTG?
The MC7815ACTG can deliver output currents in excess of 1.0 A with adequate heatsinking.
- Does the MC7815ACTG require external components for operation?
No, the MC7815ACTG does not require external components for operation.
- What are the protection features of the MC7815ACTG?
The MC7815ACTG features internal current limiting and thermal shutdown for protection.
- Can the MC7815ACTG be used to obtain adjustable voltages and currents?
Yes, the MC7815ACTG can be used with external components to obtain adjustable voltages and currents.
- What is the dropout voltage of the MC7815ACTG?
The dropout voltage of the MC7815ACTG is 2.0 Vdc at IO = 1.0 A and TJ = 25°C.
- What is the output noise voltage of the MC7815ACTG?
The output noise voltage of the MC7815ACTG is 10 μV/VO over the frequency range of 10 Hz to 100 kHz.
- What is the short circuit current limit of the MC7815ACTG?
The short circuit current limit of the MC7815ACTG is 0.2 A at TA = 25°C.
- What is the average temperature coefficient of output voltage for the MC7815ACTG?
The average temperature coefficient of output voltage for the MC7815ACTG is -0.8 mV/°C.
- In what types of applications is the MC7815ACTG commonly used?
The MC7815ACTG is commonly used in local, on-card voltage regulation, power supplies, battery-powered devices, and embedded systems requiring stable voltage regulation.
