Overview
The MC7805ECDTXM is a 5V linear voltage regulator produced by onsemi. This device is part of the MC78XX series, known for its high performance and reliability in voltage regulation applications. The MC7805ECDTXM is designed to provide a stable 5V output voltage with minimal ripple and noise, making it suitable for a wide range of electronic systems.
This regulator features internal current limiting, thermal shutdown, and safe operating area protection, which enhance its reliability and longevity. It is available in a TO-220 package, which is convenient for heat sinking and mounting in various 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 | - | 0.5 | 1.3 | mV |
| Load Regulation (5.0 mA ≤ IO ≤ 1.0 A) | Regload | - | 1.3 | 25 | mV |
| Quiescent Current | IB | 3.2 | 6.0 | - | 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 |
| Average Temperature Coefficient of Output Voltage | TCVO | - | - | -0.3 | mV/°C |
Key Features
- Internal Current Limiting: Protects the device from overcurrent conditions.
- Thermal Shutdown: Prevents the device from overheating by shutting down when the junction temperature exceeds a certain threshold.
- Safe Operating Area Protection: Ensures the device operates within safe limits to prevent damage.
- Low Dropout Voltage: Allows the regulator to maintain its output voltage even when the input voltage is close to the output voltage.
- High Ripple Rejection Ratio: Minimizes the impact of input voltage ripple on the output voltage.
- Compact TO-220 Package: Facilitates heat sinking and is suitable for various mounting configurations.
Applications
- Power Supplies: Used in linear power supplies to regulate output voltage.
- Embedded Systems: Suitable for use in embedded systems requiring stable voltage regulation.
- Industrial Control Systems: Used in industrial control systems where reliable voltage regulation is critical.
- Consumer Electronics: Found in various consumer electronics such as audio equipment, medical devices, and more.
- Automotive Systems: Used in automotive systems where robust and reliable voltage regulation is necessary.
Q & A
- What is the output voltage of the MC7805ECDTXM?
The output voltage of the MC7805ECDTXM is 5V.
- What is the minimum input voltage required for the MC7805ECDTXM to operate?
The minimum input voltage required is typically 7.5V to ensure proper operation.
- What is the maximum current output of the MC7805ECDTXM?
The maximum current output is 1.0 A.
- Does the MC7805ECDTXM have built-in current limiting?
Yes, the MC7805ECDTXM has internal current limiting to protect against overcurrent conditions.
- What is the dropout voltage of the MC7805ECDTXM?
The dropout voltage is 2.0V.
- What is the ripple rejection ratio of the MC7805ECDTXM?
The ripple rejection ratio is typically around 68 dB.
- What package type is the MC7805ECDTXM available in?
The MC7805ECDTXM is available in a TO-220 package.
- What are some common applications of the MC7805ECDTXM?
Common applications include power supplies, embedded systems, industrial control systems, consumer electronics, and automotive systems.
- Does the MC7805ECDTXM have thermal shutdown protection?
Yes, the MC7805ECDTXM has thermal shutdown protection to prevent overheating.
- What is the average temperature coefficient of output voltage for the MC7805ECDTXM?
The average temperature coefficient of output voltage is -0.3 mV/°C.
