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UA78M33CDCY

Name: UA78M33CDCY
Rating: 4.7 (12 reviews)

IC REG LIN 3.3V 500MA SOT-223-4

Производитель
Мфр. Часть #UA78M33CDCY
Пакет
Лист данных UA78M33CDCY DataSheet
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Спецификации

Part Status	Active
Output Configuration	Positive
Output Type	Fixed
Number of Regulators	1
Voltage - Input (Max)	25V
Voltage - Output (Min/Fixed)	3.3V
Voltage Dropout (Max)	2V @ 350mA
Current - Output	500mA
PSRR	80dB (120Hz)
Protection Features	Over Current, Over Temperature, Short Circuit
Operating Temperature	0°C ~ 125°C
Mounting Type	Surface Mount
Package / Case	TO-261-4, TO-261AA
Supplier Device Package	SOT-223-4
Base Product Number	UA78M33

Обзор

Description

The UA78M33CDCY is a voltage regulator integrated circuit (IC) that provides a fixed output voltage of 3.3V. It is part of the UA78M series of linear voltage regulators designed for low-dropout applications. This IC is capable of delivering output currents up to 500mA, making it suitable for powering a variety of low-power electronic devices and circuits.
Key features include overcurrent protection, thermal shutdown, and a wide input voltage range, typically from 7V to 35V. The UA78M33CDCY is housed in a compact TO-220 package, facilitating easy integration into various electronic designs. Its simple operation requires only input and output capacitors for stability, making it user-friendly for hobbyists and engineers alike.
The regulator is ideal for applications in microcontrollers, sensors, and other digital circuits requiring stable 3.3V power. Its reliability and performance make it a popular choice in both prototype and production environments.

Features

The UA78M33CDCY is a voltage regulator designed to provide a stable output voltage of 3.3V. Key features include:
1. Output Current: It can deliver up to 500mA of output current.
2. Input Voltage Range: It operates with a wide input voltage range of 7V to 35V.
3. Thermal Protection: The device includes thermal shutdown features to prevent overheating.
4. Short-Circuit Protection: It provides protection against short circuits, ensuring reliability.
5. Low Dropout Voltage: The regulator features a low dropout voltage, allowing it to maintain output voltage with minimal difference between input and output voltages.
6. Package Type: Typically available in a TO-220 or DPAK package, which facilitates easy mounting and heat dissipation.
7. Stability: Designed for stability with proper input and output capacitors.
These features make the UA78M33CDCY suitable for various applications, including power supplies for digital circuits and microcontrollers.

Package

The UA78M33CDCY is packaged in a TO-220 form factor, which is a popular package type for voltage regulators. This package provides good thermal performance and is suitable for applications requiring heat dissipation.

Pinout

The UA78M33CDCY is a voltage regulator integrated circuit (IC) with a pin count of 3. It is designed to provide a stable output voltage of 3.3V with a maximum output current of 500mA.
Pin Functions:
1. Input (Vin): This pin is where the unregulated input voltage is supplied. It should be greater than 3.3V to ensure proper regulation.
2. Ground (GND): This pin is connected to the ground reference of the circuit.
3. Output (Vout): This pin provides the regulated output voltage of 3.3V.
The UA78M33CDCY is popular for applications requiring a low dropout voltage regulator and is commonly used in power supply circuits for microcontrollers and other electronic devices.

Manufacturer

The UA78M33CDCY is manufactured by Texas Instruments (TI), a leading global semiconductor company. Texas Instruments designs and produces a wide range of electronic components, including analog and digital signal processing devices, microcontrollers, and embedded processors. Established in 1930, the company is well-known for its innovations in the semiconductor industry and its contributions to various sectors such as automotive, industrial, and consumer electronics. TI is renowned for its commitment to research and development, providing high-quality, reliable products used in numerous applications worldwide.

Application

The UA78M33CDCY is a voltage regulator commonly used in various applications, including power supplies for electronic devices, battery-powered systems, and embedded systems. It provides a stable 3.3V output, making it ideal for powering microcontrollers, sensors, and communication devices. Additionally, it is suitable for use in consumer electronics, automotive electronics, and industrial applications requiring reliable voltage regulation.

Equivalent

The UA78M33CDCY is a voltage regulator providing a fixed output of 3.3V. Equivalent products include the LM7833, LD1117-3.3, and MIC5205-3.3. These alternatives also offer low dropout voltage and provide similar current ratings. Always check specific datasheets for compatibility and performance characteristics.

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