78M05

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IC REG LINEAR 5V 1A TO252

  • FabricantLa société UMW

  • Pièce fabricant #78M05

  • Fiche technique 78M05 DataSheet

  • En stock4923

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Spécifications

Attribut Valeur
Series 78Mxx
PartStatus Active
OutputConfiguration Positive
OutputType Fixed
NumberofRegulators 1
Voltage-Input(Max) 35V
Voltage-Output(Min/Fixed) 5V
VoltageDropout(Max) 2V @ 500mA
Current-Output 1A
Current-Quiescent(Iq) 6 mA
PSRR 80dB (120Hz)
ProtectionFeatures Over Temperature, Short Circuit
OperatingTemperature -20°C ~ 85°C
MountingType Surface Mount
Package/Case TO-252-3, DPAK (2 Leads + Tab), SC-63
SupplierDevicePackage TO-252 (DPAK)

Présentation

Description

The 78M05 is a popular voltage regulator integrated circuit (IC) that provides a fixed output voltage of 5 volts. It belongs to the 78xx series of regulators, which are designed for positive voltage regulation in electronic circuits. The "M" in 78M05 typically indicates a medium current output, usually capable of delivering up to 500 mA.
Key features of the 78M05 include its ability to provide a stable output voltage with minimal external components, built-in thermal overload protection, short-circuit protection, and a safe operating area for stress handling. This makes it ideal for applications where a steady 5V supply is needed, such as powering microcontrollers, sensors, or other digital logic circuits.
The IC is simple to use, usually requiring only two capacitors for stability when placed in a basic configuration. Its TO-220, TO-92, or SOT-223 package options allow for versatility in layout and heat dissipation considerations. Overall, the 78M05 is valued for its reliability, ease of use, and protection features in various electronic applications.

Equivalent

The 78M05 is a fixed voltage regulator that provides a +5V output. Equivalent products include the LM7805, MC7805, UA7805, L7805, and NJM7805. These regulators are commonly used in electronic circuits and have similar specifications, output voltage, and current ratings, typically providing up to 1A of current. Always check the datasheets for specific features and pin configurations to ensure compatibility with your application.

Features

The 78M05 is a fixed-voltage linear voltage regulator that provides a consistent 5V output. Here are its key features:
1. Input Voltage: Typically requires an input voltage between 7V to 35V to produce a stable 5V output.
2. Output Current: Can provide up to 1A output current, depending on the power dissipation and thermal conditions.
3. Thermal Overload Protection: Includes built-in protection to prevent damage due to overheating.
4. Short-Circuit Protection: Safeguards against excessive current that could cause damage, by limiting the output current.
5. Package Options: Available in several packages, such as TO-220, TO-92, and DPAK, for different applications.
6. Low Quiescent Current: Consumes minimal current when not delivering load, which is beneficial for power-sensitive applications.
7. Dropout Voltage: Typically around 2V, meaning the input needs to be at least 2V higher than the output.
The 78M05 is widely used in electronic circuits for reliable voltage regulation due to its simplicity and robustness.

Pinout

The 78M05 is a voltage regulator integrated circuit that provides a fixed output voltage of 5 volts. It typically comes in a TO-252 or TO-220 package, featuring three pins. Here’s a brief explanation of the pin functions:
1. Input (Pin 1 or IN): This pin is where the unregulated input voltage is applied. The input voltage must be higher than the desired output voltage by a certain margin to ensure proper regulation, typically 2-3 volts above the output.
2. Ground (Pin 2 or GND): This pin is connected to the ground of both the input and output systems. It serves as the common reference point for the input and output voltages.
3. Output (Pin 3 or OUT): This pin provides the regulated output voltage of 5 volts. It connects to the load or the system that requires the stabilized voltage.
The 78M05 voltage regulator is widely used in electronic circuits to maintain a constant 5V output, despite variations in input voltage or load conditions.

Manufacturer

The 78M05 is a type of voltage regulator, and it is manufactured by several companies. Common manufacturers include Texas Instruments, ON Semiconductor, STMicroelectronics, and Fairchild Semiconductor, among others. These companies are well-known in the semiconductor industry and produce a wide range of electronic components.
1. Texas Instruments (TI): TI is a global semiconductor design and manufacturing company that develops analog chips and embedded processors, serving industries such as automotive, industrial, and consumer electronics.
2. ON Semiconductor (now onsemi): onsemi focuses on intelligent power and sensing technologies, providing solutions for automotive, industrial, cloud, and Internet of Things (IoT) applications.
3. STMicroelectronics: ST is a global semiconductor leader delivering solutions that enable smarter driving and smarter factories, cities, and homes, with a focus on power, analog, and mixed-signal devices.
4. Fairchild Semiconductor: Fairchild was a major player in the semiconductor industry, known for its power management and mobile semiconductor solutions. It was acquired by ON Semiconductor in 2016.
These companies are integral to the electronics supply chain, providing essential components for a wide range of electronic devices and applications.

Application

The 78M05 is a fixed-output voltage regulator that provides a stable 5V output from a higher voltage input. Its primary applications include powering microcontrollers, sensors, and other digital circuits that require a steady 5V supply. It is commonly used in consumer electronics, embedded systems, and DIY electronics projects. Additionally, the 78M05 can be found in power management circuits within appliances, communication devices, and automotive electronics, where reliable voltage regulation is crucial. Its ease of use, with minimal external components needed, makes it a popular choice for both hobbyists and professionals in designing efficient and compact power supply solutions.

Package

The 78M05 is a voltage regulator with a fixed output of 5V. It typically comes in TO-220, TO-92, and SOT-223 packages. The TO-220 is the most common, featuring three pins for input, output, and ground, and includes a metal tab for heat dissipation.