Overview
The MC7805ACTG is a fixed-voltage regulator from onsemi, designed to provide a stable 5.0 V output voltage. This monolithic integrated circuit is part of the MC7800 series and is suitable for a wide range of applications, including local and on-card voltage regulation. The device features internal current limiting, thermal shutdown, and safe-area compensation, ensuring reliable operation under various conditions.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Voltage (TJ = 25°C) | VO | 4.8 | 5.0 | 5.2 | Vdc |
| Output Voltage (5.0 mA ≤ IO ≤ 1.0 A, PD ≤ 15 W) | VO | 4.75 | 5.0 | 5.25 | 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 | - | 0.15 | 1.3 | 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 |
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 line and load regulation.
- Low output noise voltage.
- Short circuit current limit.
Applications
The MC7805ACTG is versatile and can be used in various applications, including:
- Local and on-card voltage regulation.
- Power supplies for electronic devices.
- Industrial control systems.
- Consumer electronics.
- Automotive systems.
Q & A
- What is the output voltage of the MC7805ACTG?
The output voltage of the MC7805ACTG is 5.0 V.
- What is the maximum output current of the MC7805ACTG?
The maximum output current is in excess of 1.0 A with adequate heatsinking.
- Does the MC7805ACTG require external components for operation?
No, the MC7805ACTG does not require external components for operation.
- What are the key protection features of the MC7805ACTG?
The key protection features include internal current limiting and thermal shutdown.
- What is the typical quiescent current of the MC7805ACTG?
The typical quiescent current is 6.5 mA.
- What is the average temperature coefficient of output voltage?
The average temperature coefficient of output voltage is -0.3 mV/°C.
- Can the MC7805ACTG be used for adjustable voltage regulation?
- What is the short circuit current limit of the MC7805ACTG?
The short circuit current limit is 0.2 A.
- What are some common applications of the MC7805ACTG?
- What is the operating junction temperature range of the MC7805ACTG?
The operating junction temperature range is from 0°C to 125°C.
