Overview
The MC7808BD2TR4G is a linear voltage regulator produced by onsemi, designed to provide a stable 8.0 V output voltage. This component is part of the MC78XX series, which are monolithic integrated circuits intended for a wide variety of applications requiring fixed-voltage regulation. Although the MC7808BD2TR4G is currently obsolete and no longer manufactured, it has parametric equivalents such as the NCV7808ABD2TR4G.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Voltage (TJ = 25°C) | VO | 7.84 | 8.0 | 8.16 | Vdc |
| Output Voltage (5.0 mA ≤ IO ≤ 1.0 A, PD ≤ 15 W) | VO | 7.7 | 8.0 | 8.3 | Vdc |
| Line Regulation (TJ = 25°C) | Regline | - | - | 1.3 | mV |
| Load Regulation (5.0 mA ≤ IO ≤ 1.0 A) | 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 | - | - | 1.0 | mΩ |
| Short Circuit Current Limit (TA = 25°C) | ISC | - | - | 0.2 | A |
Key Features
- Fixed Output Voltage: Provides a stable 8.0 V output voltage, making it suitable for applications requiring a precise voltage level.
- High Current Capability: Can supply up to 1.0 A of output current, making it suitable for a variety of power requirements.
- Low Line and Load Regulation: Ensures minimal variation in output voltage despite changes in input voltage or load current.
- Thermal Stability: The average temperature coefficient of output voltage is -0.3 mV/°C, ensuring stable operation over a wide temperature range.
- Short Circuit Protection: Includes a short circuit current limit to protect the device from overcurrent conditions.
Applications
The MC7808BD2TR4G is versatile and can be used in various applications, including:
- Power Supplies: For providing a stable 8.0 V output in power supply units.
- Electronic Devices: In devices that require a regulated 8.0 V power source, such as audio equipment, medical devices, and industrial control systems.
- Automotive Systems: In automotive electronics where a stable voltage is crucial.
- Embedded Systems: In embedded systems that need a reliable and stable voltage supply.
Q & A
- What is the output voltage of the MC7808BD2TR4G?
The output voltage of the MC7808BD2TR4G is 8.0 V. - What is the maximum output current of the MC7808BD2TR4G?
The maximum output current is 1.0 A. - What is the typical quiescent current of the MC7808BD2TR4G?
The typical quiescent current is between 3.2 mA and 8.0 mA. - Does the MC7808BD2TR4G have short circuit protection?
Yes, it includes a short circuit current limit to protect the device. - What is the operating temperature range of the MC7808BD2TR4G?
The operating temperature range is from -40°C to +125°C. - Is the MC7808BD2TR4G still in production?
No, the MC7808BD2TR4G is obsolete and no longer manufactured. - What are the parametric equivalents for the MC7808BD2TR4G?
Parametric equivalents include the NCV7808ABD2TR4G. - What is the line regulation of the MC7808BD2TR4G?
The line regulation is typically 1.3 mV. - What is the load regulation of the MC7808BD2TR4G?
The load regulation is typically 1.3 mV. - What is the output noise voltage of the MC7808BD2TR4G?
The output noise voltage is 10 μV/VO over the frequency range of 10 Hz to 100 kHz.
