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L7805CDT
+BOMIC REG LINEAR 5V 1.5A DPAK
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제조업체ST마이크로일렉트로닉스(주)
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제조업체 부품 #L7805CDT
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데이터시트 L7805CDT DataSheet
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패키지 TO-252
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재고1266
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사양
| 속성 | 가치 |
| Package | Tube |
| ProductStatus | Obsolete |
| OutputConfiguration | Positive |
| OutputType | Fixed |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 35V |
| Voltage-Output(Min/Fixed) | 5V |
| VoltageDropout(Max) | 2V @ 1A (Typ) |
| Current-Output | 1.5A |
| Current-Quiescent(Iq) | 8 mA |
| PSRR | 62dB (120Hz) |
| ProtectionFeatures | Over Temperature, Short Circuit |
| OperatingTemperature | 0°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | TO-252-3, DPak (2 Leads + Tab), SC-63 |
개요
Description
Key features include thermal overload protection, short-circuit protection, and a safe operating area (SOA) protection, ensuring reliable operation under various conditions. The device is often packaged in a TO-220 form factor, which includes a metal tab for heat dissipation, allowing for easy mounting on a heatsink if necessary.
The L7805CDT is valued for its ease of use, requiring only two external capacitors for stability and noise reduction. Its versatility and reliability make it an essential component for hobbyists and professionals alike, particularly in prototyping and power management applications.
Equivalent
Features
1. Output Voltage: It provides a fixed output voltage of 5V.
2. Output Current: It can deliver up to 1.5A of output current.
3. Thermal Overload Protection: Protects the device from overheating due to excessive power dissipation.
4. Short-Circuit Protection: Limits current to prevent damage in case of a short circuit at the output.
5. Safe Area Protection: Ensures safe operation within specified limits.
6. Input Voltage Range: Typically requires an input voltage ranging from around 7V to 20V.
7. Low Quiescent Current: Minimizes power consumption when the device is not driving a load.
8. Dropout Voltage: The regulator requires a minimum input-output differential to maintain regulation.
9. Package Type: Available in a TO-220 package for easy mounting and heat dissipation.
These features make the L7805CDT suitable for a variety of electronic applications requiring a stable 5V supply, such as power supplies for microcontrollers and digital circuits.
Pinout
The pin functions are as follows:
1. Input (Pin 1): This is where the unregulated input voltage is applied. The input voltage must be higher than the desired output voltage (5V) by at least a couple of volts for proper regulation.
2. Ground (Pin 2): This pin is connected to the ground or zero voltage reference point of the circuit.
3. Output (Pin 3): This pin delivers the regulated 5V output voltage.
The L7805CDT is commonly used in various electronic applications to ensure a consistent 5V power supply to components, offering built-in features like thermal shutdown and current limiting for added protection.
Manufacturer
Application
1. Embedded Systems: Powering microcontrollers and microprocessors.
2. Consumer Electronics: Supplying power to small gadgets and appliances.
3. Communication Devices: Ensuring stable voltage in radios and transmitters.
4. Industrial Equipment: Regulating voltage for sensors and controllers.
5. Automotive Electronics: Providing consistent voltage for dashboard electronics.
6. DIY Projects: Used in hobbyist circuits for consistent power supply.
Its ease of use, reliability, and thermal protection features make it a popular choice for both professional and DIY applications.