Overview
The MC7805CD2TG is a fixed-voltage regulator from onsemi, designed to provide a stable 5.0V output voltage. This monolithic integrated circuit is part of the MC7800 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.
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 | - | - | 1.3 | mV |
| Load Regulation (5.0 mA ≤ IO ≤ 1.0 A, TA = 25°C) | Regload | - | - | 1.3 | mV |
| Quiescent Current | IB | 3.2 | - | 8.0 | mA |
| Peak Output Current (TJ = 25°C) | Imax | - | - | 2.2 | A |
| Average Temperature Coefficient of Output Voltage | TCVO | - | - | -0.3 | mV/°C |
| Output Noise Voltage (10 Hz ≤ f ≤ 100 kHz) | Vn | - | - | 10 | μV/VO |
| Output Resistance (f = 1.0 kHz) | rO | - | - | 0.9 | mΩ |
| Short Circuit Current Limit (TA = 25°C) | ISC | - | - | 0.2 | A |
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.
Applications
The MC7805CD2TG is suitable for a wide variety of applications, including local, on-card regulation in electronic systems. It is commonly used in power supplies, battery chargers, and other high-current voltage regulation needs. The device is also applicable in industrial, automotive, and consumer electronics where stable voltage regulation is critical.
Q & A
- What is the output voltage of the MC7805CD2TG?
The output voltage of the MC7805CD2TG is 5.0V. - What is the maximum output current of the MC7805CD2TG?
The maximum output current is in excess of 1.0 A with adequate heatsinking. - Does the MC7805CD2TG require external components for operation?
No, the MC7805CD2TG does not require external components for operation. - What are the key protection features of the MC7805CD2TG?
The key protection features include internal current limiting and thermal shutdown. - Can the MC7805CD2TG be used for adjustable voltage regulation?
Yes, the MC7805CD2TG can be used with external components to obtain adjustable voltages and currents. - What is the typical quiescent current of the MC7805CD2TG?
The typical quiescent current is 3.2 mA to 8.0 mA. - What is the output noise voltage of the MC7805CD2TG?
The output noise voltage is 10 μV/VO from 10 Hz to 100 kHz. - What is the short circuit current limit of the MC7805CD2TG?
The short circuit current limit is 0.2 A. - What is the average temperature coefficient of output voltage for the MC7805CD2TG?
The average temperature coefficient of output voltage is -0.3 mV/°C. - In what types of applications is the MC7805CD2TG commonly used?
The MC7805CD2TG is commonly used in power supplies, battery chargers, and other high-current voltage regulation needs in industrial, automotive, and consumer electronics.
