Overview
The MC7808ABD2TG is a part of the MC7800 Series of positive linear voltage regulators produced by onsemi. These regulators are monolithic integrated circuits designed as fixed-voltage regulators for a wide variety of applications, including local, on-card regulation. The MC7808ABD2TG specifically provides a fixed output voltage of 8 volts and can deliver output currents in excess of 1.0 A with adequate heatsinking.
This device is particularly useful in applications requiring stable voltage regulation, internal current limiting, thermal shutdown, and safe-area compensation. It is also available in Pb-free packages, making it suitable for a range of environmental and regulatory requirements.
Key Specifications
| Characteristic | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Output Voltage (TJ = 25°C) | 7.84 | 8.0 | 8.16 | Vdc |
| Output Voltage (5.0 mA ≤ IO ≤ 1.0 A, PD ≤ 15 W) | 7.7 | 8.0 | 8.3 | Vdc |
| Line Regulation (10.6 Vdc ≤ Vin ≤ 25 Vdc, IO = 500 mA) | - | - | 10 | mV |
| Load Regulation (5.0 mA ≤ IO ≤ 1.0 A) | - | - | 12 | mV |
| Peak Output Current (TJ = 25°C) | - | - | 2.2 | A |
| Average Temperature Coefficient of Output Voltage | - | - | -0.8 | mV/°C |
| Temperature Range | -40°C | - | 125°C | - |
| Package | - | - | D2PAK | - |
Key Features
- Internal Current Limiting: The device includes internal current limiting to prevent excessive current draw.
- Thermal Overload Protection: Thermal shutdown protects the device from overheating.
- Safe-Area Compensation: Reduces the output short circuit current as the voltage across the pass transistor increases.
- No External Components Required: Operates without the need for external components for basic functionality.
- Pb-Free Packages Available: Suitable for applications requiring lead-free components.
- High Output Current: Can deliver output currents in excess of 1.0 A with adequate heatsinking.
- Fixed Output Voltage: Provides a stable fixed output voltage of 8 volts.
Applications
- Local and On-Card Regulation: Ideal for local voltage regulation on PCBs.
- Industrial Control Systems: Used in various industrial control systems requiring stable voltage regulation.
- Automotive Systems: Available in automotive-grade versions (NCV7800 series).
- Consumer Electronics: Suitable for use in consumer electronics where stable voltage is crucial.
- Power Supplies: Can be used in power supply designs to regulate output voltage.
Q & A
- What is the output voltage of the MC7808ABD2TG?
The output voltage of the MC7808ABD2TG is 8 volts.
- What is the maximum output current of the MC7808ABD2TG?
The maximum output current is in excess of 1.0 A with adequate heatsinking.
- Does the MC7808ABD2TG require external components to operate?
No, it does not require external components for basic functionality.
- What type of protection does the MC7808ABD2TG have?
The device includes internal current limiting, thermal shutdown, and safe-area compensation.
- What is the temperature range of the MC7808ABD2TG?
The temperature range is from -40°C to 125°C.
- Is the MC7808ABD2TG available in Pb-free packages?
- What is the typical line regulation of the MC7808ABD2TG?
The typical line regulation is up to 10 mV.
- Can the MC7808ABD2TG be used in automotive applications?
- What package type is the MC7808ABD2TG available in?
The device is available in the D2PAK package.
- What is the average temperature coefficient of output voltage for the MC7808ABD2TG?
The average temperature coefficient of output voltage is -0.8 mV/°C.
