Overview
The LM7805CT, produced by Fairchild Semiconductor, is a versatile three-terminal voltage regulator designed for stable and reliable voltage regulation in various applications. It belongs to the renowned LM78XX family and is known for its fixed output voltage capability and adaptability in numerous electronic scenarios. This regulator excels in providing localized regulation on circuit boards, addressing challenges common in single-point regulation setups. It is widely used in logic systems, instrumentation, and various electronic devices, demonstrating impressive versatility.
Key Specifications
| Parameter | Value |
|---|---|
| Output Voltage | 5V (Nominal), 5.2V (Max) |
| Max Output Current | 1A |
| Quiescent Current | 8mA |
| Voltage Tolerance (Max) | 5% |
| Output Voltage Accuracy | 4% |
| Protection Features | Over Temperature, Short Circuit |
| Power Supply Rejection Ratio (PSRR) | 73dB (120Hz) |
| Dropout Voltage @ Nom | 2V @ 1A Typ |
| Input Voltage Range | 7V to 35V |
| Operating Temperature | -40°C to 125°C |
| Mounting Type | Through Hole |
| Number of Pins | 3 |
| Lead Free | Yes |
| RoHS Status | RoHS Compliant |
Key Features
- Fixed Output Voltage: Provides a stable 5V output voltage.
- High Current Capability: Can deliver up to 1A of output current.
- Internal Protection: Includes over temperature and short circuit protection.
- High PSRR: Offers a high power supply rejection ratio of 73dB at 120Hz.
- Low Dropout Voltage: Dropout voltage of 2V at 1A typical.
- Wide Operating Temperature Range: Operates from -40°C to 125°C.
- Customizable Outputs: Functionality can be expanded with external components for customizable voltage and current outputs.
Applications
- Logic Systems: Suitable for use in various logic systems requiring stable voltage regulation.
- Instrumentation: Used in instrumentation applications where precise voltage regulation is necessary.
- Electronic Devices: Commonly used in a wide range of electronic devices requiring reliable voltage regulation.
- Circuit Boards: Provides localized regulation on circuit boards, addressing single-point regulation challenges.
Q & A
- What is the nominal output voltage of the LM7805CT?
The nominal output voltage of the LM7805CT is 5V.
- What is the maximum output current of the LM7805CT?
The maximum output current of the LM7805CT is 1A.
- What are the protection features of the LM7805CT?
The LM7805CT includes over temperature and short circuit protection.
- What is the power supply rejection ratio (PSRR) of the LM7805CT?
The PSRR of the LM7805CT is 73dB at 120Hz.
- What is the dropout voltage of the LM7805CT at 1A typical?
The dropout voltage of the LM7805CT at 1A typical is 2V.
- What is the operating temperature range of the LM7805CT?
The operating temperature range of the LM7805CT is -40°C to 125°C.
- Is the LM7805CT RoHS compliant?
Yes, the LM7805CT is RoHS compliant.
- How many pins does the LM7805CT have?
The LM7805CT has 3 pins.
- What type of mounting does the LM7805CT use?
The LM7805CT uses through-hole mounting.
- Can the LM7805CT be used for customizable voltage and current outputs?
Yes, the functionality of the LM7805CT can be expanded with external components for customizable voltage and current outputs.
