Overview
The MC7809CD2TG is a part of the MC7800 Series of positive linear voltage regulators produced by onsemi. These monolithic integrated circuits are designed as fixed-voltage regulators, suitable for a wide variety of applications, including local, on-card regulation. The MC7809CD2TG specifically provides a fixed output voltage of 9.0 V and can deliver output currents in excess of 1.0 A with adequate heatsinking.
This regulator features internal current limiting, thermal shutdown, and safe-area compensation, making it robust and reliable for various industrial applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage (TJ = 25°C) | 8.7 to 9.3 | Vdc |
| Output Current | Up to 1.0 | A |
| Input Voltage Range | 11 to 35 | Vdc |
| Temperature Range | -40°C to +125°C | °C |
| Package Type | D2PAK-3 | |
| Line Regulation | Typically 100 mV (7.5 Vdc ≤ Vin ≤ 20 Vdc, IO = 1.0 A) | mV |
| Output Voltage Tolerance | 4% | |
| Internal Thermal Overload Protection | Yes | |
| Internal Short Circuit Current Limiting | Yes |
Key Features
- No external components required for operation.
- Internal thermal overload protection and short circuit current limiting.
- Output transistor safe-area compensation.
- Output voltage offered in 4% tolerance.
- Pb-Free packages available.
- Can be used with external components to obtain adjustable voltages and currents.
Applications
The MC7809CD2TG is suitable for a variety of applications, including:
- Local, on-card regulation in industrial and commercial systems.
- Power supplies for electronic equipment.
- Voltage regulation in automotive systems (with the NCV7800 version).
- General-purpose voltage regulation where a fixed output voltage is required.
Q & A
- What is the output voltage of the MC7809CD2TG?
The output voltage of the MC7809CD2TG is 9.0 V.
- What is the maximum output current of the MC7809CD2TG?
The maximum output current is in excess of 1.0 A with adequate heatsinking.
- What is the input voltage range for the MC7809CD2TG?
The input voltage range is from 11 to 35 Vdc.
- Does the MC7809CD2TG have internal thermal overload protection?
Yes, it has internal thermal overload protection.
- What is the temperature range for the MC7809CD2TG?
The temperature range is -40°C to +125°C.
- What package types are available for the MC7809CD2TG?
The MC7809CD2TG is available in the D2PAK-3 package type.
- Can the MC7809CD2TG be used to obtain adjustable voltages?
Yes, it can be used with external components to obtain adjustable voltages and currents.
- Is the MC7809CD2TG Pb-Free?
Yes, Pb-Free packages are available.
- What are some common applications for the MC7809CD2TG?
Common applications include local, on-card regulation, power supplies, and general-purpose voltage regulation.
- Does the MC7809CD2TG have short circuit current limiting?
Yes, it has internal short circuit current limiting.
