MC33269D-3.3G

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MC33269D-3.3G

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IC REG LINEAR 3.3V 800MA 8SOIC

  • HerstellerOnsemi

  • Herstellerteil #MC33269D-3.3G

  • Paket SOP-8

  • Auf Lager4197

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Spezifikationen

Attribut Wert
Package Tube
ProductStatus Active
OutputConfiguration Positive
OutputType Fixed
NumberofRegulators 1
Voltage-Input(Max) 20V
Voltage-Output(Min/Fixed) 3.3V
VoltageDropout(Max) 1.35V @ 800mA
Current-Output 800mA
Current-Quiescent(Iq) 8 mA
PSRR 55dB (120Hz)
ProtectionFeatures Over Temperature, Short Circuit
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Übersicht

Description

The MC33269D-3.3G is a low dropout voltage regulator designed for applications requiring a 3.3V output from a higher voltage source. It provides a stable output with a dropout voltage of approximately 1.0V at 800mA of load current. This makes it suitable for battery-powered devices or systems needing efficient voltage regulation. The regulator offers features like current limiting, thermal shutdown, and safe area protection, enhancing reliability in various conditions.
The device is constructed using advanced semiconductor technology to provide superior performance and low quiescent current. Its compact DPAK surface-mount package ensures it occupies minimal board space, making it ideal for portable devices. With its ability to deliver a fixed 3.3V output and its robust protection features, the MC33269D-3.3G is used in a wide range of applications, including microprocessor power supplies, consumer electronics, and automotive systems. Its ease of use and efficiency make it a popular choice for designers seeking reliable voltage regulation solutions.

Equivalent

The MC33269D-3.3G is a linear voltage regulator providing a fixed 3.3V output. Equivalent products include:
1. LM1117-3.3 by Texas Instruments
2. AMS1117-3.3 by Advanced Monolithic Systems
3. LD1117-3.3 by STMicroelectronics
4. MIC29300-3.3 by Microchip Technology
These alternatives offer similar functionality with slight variations in parameters like dropout voltage and current capacity. Always check the datasheets for pin compatibility and electrical characteristics before substituting.

Features

The MC33269D-3.3G is a low dropout (LDO) voltage regulator designed to provide a fixed output voltage of 3.3 volts. It features a dropout voltage of typically 0.5 volts at a load current of 800 mA, making it efficient for applications requiring low dropout performance. The device offers a maximum output current capacity of 800 mA, and it is equipped with internal current limiting and thermal shutdown features for protection against overload and overheating.
Additional features include a quiescent current of typically 4 mA, ensuring minimal power consumption when the load is disconnected. The regulator is designed with a low output noise of typically 100 μVrms, which is beneficial for sensitive analog circuits. It also provides a high power supply rejection ratio (PSRR) of typically 60 dB at 1 kHz, minimizing the impact of input voltage variations on the output.
The MC33269D-3.3G is housed in a TO-252 package, suitable for surface-mount applications, and it supports a wide input voltage range from 4.5 V to 20 V. This makes it ideal for a variety of consumer electronics, industrial applications, and battery-powered devices.

Pinout

The MC33269D-3.3G is a low dropout voltage regulator from ON Semiconductor, with a fixed output voltage of 3.3V. It is commonly used in applications requiring stable voltage and moderate current. The key features of this regulator include low dropout voltage, internal current and thermal limiting, and a stable output with low noise.
This component is typically available in a TO-252 or DPAK package, which has three pins:
1. Input (Pin 1): This pin is connected to the input voltage source, which should be higher than 3.3V plus the dropout voltage to ensure proper regulation.
2. Ground (Pin 2): This pin is connected to the ground of the circuit. It serves as the common return path for both the input and output.
3. Output (Pin 3): This pin provides the regulated 3.3V output voltage to the load.
The MC33269D-3.3G is suitable for powering microcontrollers, sensors, and other digital circuits where a stable 3.3V supply is required. Its low dropout makes it efficient for battery-powered applications.

Manufacturer

The MC33269D-3.3G is a low dropout voltage regulator manufactured by ON Semiconductor. ON Semiconductor is a global company that specializes in the design, manufacturing, and marketing of semiconductor components. They provide a broad range of products, including power and signal management, logic, discrete, and custom devices, particularly focusing on energy-efficient electronics. The company serves various markets, including automotive, communications, computing, consumer, industrial, medical, and military/aerospace sectors.

Application

The MC33269D-3.3G is a low dropout voltage regulator commonly used in various applications. Its primary application areas include:
1. Consumer Electronics: Powers microcontrollers and digital circuits in devices like TVs and set-top boxes.
2. Communication Devices: Provides stable voltage for RF modules and communication equipment.
3. Industrial Equipment: Used for powering sensors, controllers, and other industrial electronics.
4. Computing: Supplies regulated power for processors and peripheral devices in computers.
5. Automotive Systems: Ensures stable voltage supply for various electronic modules in vehicles.
Its low dropout voltage, thermal protection, and 3.3V output make it suitable for these applications.

Package

The MC33269D-3.3G is a low dropout voltage regulator in a DPAK (TO-252) surface-mount package. This package type is designed for efficient thermal performance and is suitable for applications requiring space-saving and heat dissipation features.

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