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78L08
+StücklisteIC REG LINEAR 8V 100MA SOT89-3
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HerstellerUMW
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Herstellerteil #78L08
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Datenblatt 78L08 DataSheet
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Auf Lager10255
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Spezifikationen
| Attribut | Wert |
| Series | 78LXX |
| PartStatus | Active |
| OutputConfiguration | Positive |
| OutputType | Fixed |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 35V |
| Voltage-Output(Min/Fixed) | 8V |
| VoltageDropout(Max) | 1.7V @ 40mA |
| Current-Output | 100mA |
| Current-Quiescent(Iq) | 5.5 mA |
| PSRR | 45dB (120Hz) |
| ControlFeatures | Current Limit |
| ProtectionFeatures | Short Circuit |
| OperatingTemperature | -20°C ~ 120°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | TO-243AA |
| SupplierDevicePackage | SOT-89-3 |
| Current-Supply(Max) | 100 mA |
Übersicht
Description
Key features include thermal overload protection, short-circuit protection, and a safe operating area compensation, which enhance its reliability and safety. The device is typically housed in a TO-92 package, although other package forms are also available.
The 78L08 is commonly used in a variety of electronic applications, including power supplies, battery chargers, and embedded systems, where a stable and reliable 8V supply is essential. It requires minimal external components, typically just input and output capacitors for stability and performance optimization. This simplicity, combined with its robust performance, makes the 78L08 a popular choice for designers seeking a straightforward solution for voltage regulation needs.
Equivalent
1. LM78L08 (by Texas Instruments and Fairchild Semiconductor)
2. KA78L08 (by ON Semiconductor)
3. MC78L08 (by ON Semiconductor)
4. NJM78L08 (by New Japan Radio)
5. L78L08 (by STMicroelectronics)
These alternatives offer similar functionality and specifications, suitable for use in various electronic projects requiring a stable 8V output.
Features
1. Output Voltage: It provides a fixed output voltage of 8V.
2. Output Current: Capable of delivering up to 100 mA of output current.
3. Input Voltage Range: Requires a higher input voltage than the output, typically up to 30V.
4. Thermal Protection: Includes built-in thermal shutdown to prevent overheating.
5. Short-Circuit Protection: Features current limiting to protect against output short circuits.
6. Low Ripple and Noise: Offers a clean output with low ripple and noise, suitable for sensitive applications.
7. Package Options: Available in various packages, including TO-92, for different mounting and space requirements.
8. Ease of Use: Requires minimal external components for operation, typically just input and output capacitors.
These features make the 78L08 suitable for a wide range of applications, such as power supplies for electronic circuits, communication devices, and consumer electronics.
Pinout
1. Input (Pin 1): This is the input pin where an unregulated voltage is supplied. The input voltage must be higher than the desired output voltage to ensure proper regulation.
2. Ground (Pin 2): This is the common ground pin for both the input and output, and it serves as a reference point for the regulator.
3. Output (Pin 3): This pin provides the regulated 8V output. It maintains a constant output voltage as long as the input voltage and current remain within specified limits.
The 78L08 is commonly used in circuits requiring a stable 8V power supply, offering protection features like thermal shutdown and current limiting. It is suitable for applications with low power requirements, given its maximum output current of around 100 mA.
Manufacturer
Texas Instruments is a global semiconductor company that focuses on designing and manufacturing analog and embedded processing chips. ON Semiconductor specializes in energy-efficient electronics, including power management, automotive, and industrial solutions. STMicroelectronics is a leading global semiconductor company that provides a wide range of products for various applications, including automotive, industrial, and personal electronics. Fairchild Semiconductor, which is now part of onsemi, was known for its focus on power management and analog products.
These companies are integral to the electronics industry, providing essential components that enable the functioning of various electronic devices and systems across multiple sectors. The 78L08, being a standard product, is thus available from multiple sources, reflecting the collaborative nature of the semiconductor industry.
Application
1. Power Supply Design: Used in DC-DC converters to maintain a stable 8V output from a higher voltage input.
2. Consumer Electronics: Powers microcontrollers, sensors, and other components requiring an 8V supply.
3. Communication Devices: Provides stable voltage for RF and wireless modules.
4. Industrial Automation: Ensures reliable operation of control and monitoring circuits.
5. Automotive Applications: Powers various electronic modules within vehicles.
Its compact size and ease of use make it suitable for portable and space-constrained applications.