78L08

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78L08

IC REG LINEAR 8V 100MA SOT89-3

  • Fabricant
  • Mfr. Partie #78L08
  • Paquet
  • Fiche de données 78L08 DataSheet
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Spécifications

Series 78LXX
Part Status Active
Output Configuration Positive
Output Type Fixed
Number of Regulators 1
Voltage - Input (Max) 35V
Voltage - Output (Min/Fixed) 8V
Voltage Dropout (Max) 1.7V @ 40mA
Current - Output 100mA
Current - Quiescent (Iq) 5.5 mA
PSRR 45dB (120Hz)
Control Features Current Limit
Protection Features Short Circuit
Operating Temperature -20°C ~ 120°C (TJ)
Mounting Type Surface Mount
Package / Case TO-243AA
Supplier Device Package SOT-89-3
Current - Supply (Max) 100 mA

Vue d'ensemble

Description

The 78L08 is a linear voltage regulator that provides a fixed output voltage of 8V with a maximum output current of 100mA. It is part of the 78Lxx series, which includes various models offering different output voltages. The 78L08 is commonly used in low-power applications where a stable voltage is required.
Key features include low dropout voltage, thermal overload protection, and short-circuit protection, making it a reliable choice for powering microcontrollers, sensors, and small electronic devices. The device typically comes in a TO-92 package, which is compact and easy to integrate into circuits.
Installation generally requires input and output capacitors for stability, and it operates over a wide input voltage range (usually up to 35V). The 78L08 is popular in hobbyist projects and professional designs alike due to its simplicity and effectiveness in providing a regulated power supply.

Features

The 78L08 is a low-dropout voltage regulator with the following key features:
1. Output Voltage: Provides a fixed output voltage of 8V.
2. Output Current: Capable of supplying up to 100 mA of output current.
3. Input Voltage Range: Operates with an input voltage range typically between 9V and 35V.
4. Low Dropout Voltage: Features a low dropout voltage, typically around 0.5V, enabling functionality even when the input voltage is close to the output voltage.
5. Thermal Protection: Includes built-in thermal overload protection to prevent damage from overheating.
6. Short-Circuit Protection: Provides short-circuit protection, ensuring safe operation under fault conditions.
7. Low Quiescent Current: Consumes minimal current when not loaded, enhancing efficiency in battery-operated applications.
8. TO-92 Package: Available in a compact TO-92 package, making it suitable for space-constrained designs.
9. Temperature Range: Operates over a wide temperature range, typically from -40°C to +125°C.
These features make the 78L08 suitable for various applications including consumer electronics, automotive, and industrial systems.

Package

The 78L08 voltage regulator typically comes in a TO-220 or TO-92 package type. The TO-220 package is larger, allowing for better heat dissipation, while the TO-92 is smaller and more compact, suitable for low-power applications.

Pinout

The 78L08 is a low-dropout voltage regulator with a pin count of 3. Its pin configuration is as follows:
1. Input (Vin): This pin receives the input voltage, which should be higher than the desired output voltage (in this case, +8V).
2. Ground (GND): This pin is connected to the ground or the negative terminal of the power supply.
3. Output (Vout): This pin provides a regulated output voltage of +8V.
The 78L08 is commonly used in various applications to provide a stable output voltage from a higher input voltage, making it suitable for powering low-current devices in consumer electronics, small circuits, and other applications where regulated voltage is required. Its low dropout voltage allows it to operate efficiently even with minimal input-output voltage difference.

Manufacturer

The 78L08 is a voltage regulator, and it is manufactured by several companies in the electronics industry, including Texas Instruments, ON Semiconductor, and STMicroelectronics. These companies are major players in the semiconductor sector, specializing in the design and production of integrated circuits, microcontrollers, and various electronic components. They serve a wide range of applications across industries such as consumer electronics, automotive, telecommunications, and industrial systems. These manufacturers focus on providing reliable and efficient components for circuit design and power management solutions.

Application

The 78L08 is a voltage regulator that provides a stable output of 8V. Its application areas include powering low-current devices such as sensors, microcontrollers, and small analog circuits in electronic projects, educational kits, and hobbyist applications. It can also be used in telecommunications equipment, battery-powered devices, and portable electronics where a reliable voltage source is required.

Equivalent

The 78L08 voltage regulator is a low-dropout linear voltage regulator that outputs 8V. Equivalent products include the LM7808, LM317 (adjustable), MC7808, and AMS1117-8.0. Ensure the equivalent chosen matches the current rating and package type for compatibility.

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