UA78M33CDCY

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UA78M33CDCY

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

  • HerstellerTexas Instruments

  • Herstellerteil #UA78M33CDCY

  • Auf Lager9929

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Spezifikationen

Attribut Wert
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

Übersicht

Description

The UA78M33CDCY is a voltage regulator that provides a stable output voltage of 3.3V, with a maximum output current of 500mA. It belongs to the 78M series of low-dropout (LDO) regulators, characterized by their ability to operate with a minimal voltage difference between input and output. This makes it suitable for battery-powered applications where efficiency is critical.
Key features include thermal overload protection, short-circuit protection, and a wide input voltage range (up to 30V). The UA78M33CDCY typically comes in a TO-220 package, allowing for easy mounting and heat dissipation. It is commonly used in microcontroller applications, sensor circuits, and other electronic devices requiring a reliable 3.3V power supply.
Overall, the UA78M33CDCY is valued for its ease of use, robustness, and ability to deliver consistent performance in various electronic designs.

Equivalent

The UA78M33CDCY is a voltage regulator that provides a fixed output of 3.3V. Equivalent products include:
1. LM1117-3.3
2. LM317 (adjustable, requires resistors for 3.3V)
3. MCP1700-3302E
4. AMS1117-3.3
5. LD1117-3.3
Always check specifications to ensure compatibility for your application.

Features

The UA78M33CDCY is a voltage regulator that provides a fixed output of 3.3V, suitable for various applications where stable voltage is required. Key features include:
- Output Current: Capable of delivering up to 500 mA of output current.
- Input Voltage: Accepts a wide input voltage range from 7V to 25V.
- Low Dropout Voltage: Offers a low dropout voltage, typically around 1.2V, ensuring efficiency even when the input voltage is close to the output voltage.
- Thermal Protection: Equipped with thermal shutdown to prevent damage under overheating conditions.
- Short-Circuit Protection: Incorporates short-circuit protection, safeguarding the device from damage due to excessive current.
- Package Type: Available in a TO-220 package, facilitating easy mounting and heat dissipation.
- Ripple Rejection: Provides good ripple rejection, ensuring a clean output voltage.
Ideal for powering microcontrollers, sensors, and other low-power devices, the UA78M33CDCY is reliable and easy to integrate into various electronic circuits.

Pinout

The UA78M33CDCY is a voltage regulator that provides a fixed output of 3.3V. It is part of the UA78M series and typically comes in a TO-220 package. The pin count for this device is 3.
The functions of the pins are as follows:
1. Input (Pin 1): This pin receives the input voltage, which must be higher than the desired output voltage (3.3V) and within the specified input range.
2. Output (Pin 2): This pin delivers the regulated output voltage of 3.3V to the load.
3. Ground (Pin 3): This pin is connected to the ground of the circuit, providing a common return path for current.
The UA78M33CDCY also features built-in thermal shutdown and current limiting for protection against overload conditions.

Manufacturer

The UA78M33CDCY is manufactured by Texas Instruments (TI), a prominent American technology company. Founded in 1930, Texas Instruments specializes in the design and production of semiconductors and various electronic components. The company is particularly known for its analog and digital signal processing (DSP) devices, embedded processors, and a range of other semiconductor products that serve various industries, including automotive, industrial, communications, and consumer electronics.
The UA78M33CDCY is a voltage regulator specifically designed to provide a stable 3.3V output with a maximum output current of 500 mA. It belongs to the 78M series of linear voltage regulators, which are widely used for powering low-power electronic circuits. Texas Instruments has a strong reputation in the semiconductor market for innovation and quality, maintaining a significant presence in both the consumer and industrial electronics sectors.

Application

The UA78M33CDCY is a voltage regulator that provides a stable 3.3V output. It is commonly used in various applications, including:
1. Power Supply Circuits: To supply low voltage devices and microcontrollers.
2. Embedded Systems: Ensuring consistent voltage for sensors and actuators.
3. Consumer Electronics: Powering devices like routers, cameras, and portable gadgets.
4. Industrial Equipment: Offering reliable voltage regulation in automation systems.
5. Prototyping: Used in development boards and prototype circuits for testing and validation.
Its thermal overload protection and easy integration make it suitable for diverse electronic projects.

Package

The UA78M33CDCY is typically packaged in a DPAK (also known as TO-252) package type, which is a surface-mount device (SMD) package suitable for efficient thermal performance and compact design in electronic circuits.

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