Overview
The MC7805ABD2TR4, produced by onsemi, is a member of the MC78XX series of fixed voltage regulators. These devices are designed to provide a stable output voltage with minimal external components. The MC7805ABD2TR4 specifically regulates the output voltage to 5 volts, making it suitable for a wide range of applications requiring a reliable 5V power supply.
This regulator is available in a TO-263 (D2PAK) package, which is surface-mount and offers good thermal performance. It is designed to operate over a wide input voltage range and can handle high current outputs, making it versatile for various electronic 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 | 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 |
| 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
- Fixed Output Voltage: Regulates output to 5 volts with high accuracy.
- High Current Capability: Can handle up to 1.5 A of output current.
- Low Dropout Voltage: Dropout voltage of 2.0 Vdc at 1.0 A output current.
- Good Line and Load Regulation: Ensures stable output voltage across a range of input voltages and load conditions.
- Thermal Protection: Internal thermal shutdown to prevent overheating.
- Short Circuit Protection: Limits short circuit current to protect the device.
- Compact Package: Available in TO-263 (D2PAK) surface-mount package for efficient thermal dissipation.
Applications
- Power Supplies: Used in various power supply designs requiring a stable 5V output.
- Embedded Systems: Suitable for powering microcontrollers, sensors, and other components in embedded systems.
- Industrial Control Systems: Can be used in industrial control systems where reliable voltage regulation is crucial.
- Consumer Electronics: Found in consumer electronics such as audio equipment, set-top boxes, and other devices requiring stable DC power.
- Automotive Systems: Used in automotive systems where robust and reliable voltage regulation is necessary.
Q & A
- What is the output voltage of the MC7805ABD2TR4?
The output voltage of the MC7805ABD2TR4 is 5 volts.
- What is the maximum output current of the MC7805ABD2TR4?
The maximum output current is up to 1.5 A.
- What is the dropout voltage of the MC7805ABD2TR4?
The dropout voltage is 2.0 Vdc at 1.0 A output current.
- Does the MC7805ABD2TR4 have thermal protection?
Yes, it has internal thermal shutdown to prevent overheating.
- What package type is the MC7805ABD2TR4 available in?
It is available in the TO-263 (D2PAK) surface-mount package.
- What are some common applications of the MC7805ABD2TR4?
Common applications include power supplies, embedded systems, industrial control systems, consumer electronics, and automotive systems.
- How does the MC7805ABD2TR4 handle short circuits?
The device has a short circuit current limit to protect against short circuits.
- What is the quiescent current of the MC7805ABD2TR4?
The quiescent current is typically 6.5 mA.
- What is the output noise voltage of the MC7805ABD2TR4?
The output noise voltage is 10 μV/VO over the frequency range of 10 Hz to 100 kHz.
- How does the MC7805ABD2TR4 regulate line and load variations?
The device ensures stable output voltage through good line and load regulation.
