Overview
The MC7805ACD2TR4 is a 5V fixed voltage regulator from onsemi, part of the MC78XX series. This device is designed to provide a stable 5V output voltage with high current capability, making it suitable for a wide range of applications. The MC7805ACD2TR4 is available in a TO-252 (D2PAK) package, which is compact and thermally efficient, allowing for better heat dissipation.
This regulator features internal thermal shutdown and current limiting to protect against overheating and overcurrent conditions, ensuring reliable operation in various environments. It is also known for its low dropout voltage and high ripple rejection, which are crucial for maintaining a stable output voltage in noisy power supply systems.
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 | - | 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 | - | - | 0.9 | mΩ |
| Short Circuit Current Limit (TA = 25°C) | ISC | - | - | 0.2 | A |
Key Features
- Internal Thermal Shutdown: Protects the device from overheating.
- Current Limiting: Prevents overcurrent conditions.
- Low Dropout Voltage: Ensures stable output voltage even with low input voltage.
- High Ripple Rejection: Reduces noise in the output voltage.
- Compact TO-252 (D2PAK) Package: Efficient heat dissipation and space-saving design.
Applications
- Power Supplies: Used in various power supply designs to regulate output voltage.
- Embedded Systems: Suitable for use in embedded systems requiring stable power supply.
- Industrial Control Systems: Used in industrial control systems for reliable power regulation.
- Consumer Electronics: Found in consumer electronics such as audio equipment and other devices requiring stable DC power.
Q & A
- What is the output voltage of the MC7805ACD2TR4?
The output voltage of the MC7805ACD2TR4 is 5V.
- What is the typical quiescent current of the MC7805ACD2TR4?
The typical quiescent current is 3.2 mA.
- What is the peak output current of the MC7805ACD2TR4?
The peak output current is 2.2 A.
- What is the dropout voltage of the MC7805ACD2TR4?
The dropout voltage is 2.0 Vdc.
- What is the output noise voltage of the MC7805ACD2TR4?
The output noise voltage is 10 μV/VO.
- What is the output resistance of the MC7805ACD2TR4 at 1 kHz?
The output resistance is 0.9 mΩ.
- Does the MC7805ACD2TR4 have internal thermal shutdown?
Yes, it has internal thermal shutdown to protect against overheating.
- What package type is the MC7805ACD2TR4 available in?
The MC7805ACD2TR4 is available in a TO-252 (D2PAK) package.
- What are some common applications of the MC7805ACD2TR4?
Common applications include power supplies, embedded systems, industrial control systems, and consumer electronics.
- What is the ripple rejection of the MC7805ACD2TR4?
The ripple rejection is typically around 62 dB at 120 Hz.
