MC33063AVDR2G

Product Overview

• Category: Integrated Circuit
• Use: Voltage Regulator
• Characteristics: High efficiency, wide input voltage range, adjustable output voltage, compact package
• Package: SOIC-8
• Essence: The MC33063AVDR2G is a versatile voltage regulator integrated circuit that can be used in various applications requiring stable and adjustable output voltages.
• Packaging/Quantity: Available in tape and reel packaging with 2500 units per reel.

Specifications

• Input Voltage Range: 3V to 40V
• Output Voltage Range: 1.25V to 37V
• Output Current: Up to 1.5A
• Switching Frequency: Up to 100kHz
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MC33063AVDR2G has a total of 8 pins arranged as follows:

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| | --| VCC GND |-- Pin 1: Ground (GND) --| FB SW |-- Pin 2: Feedback (FB) --| COMP VCC |-- Pin 3: Voltage Control (COMP) --| SS OUT |-- Pin 4: Soft Start (SS) / Output (OUT) |___________| ```

Functional Features

• Voltage Regulation: The MC33063AVDR2G provides stable and adjustable output voltage regulation.
• Current Limiting: It incorporates current limiting functionality to protect the circuit from excessive current.
• Soft Start: The soft start feature allows for gradual ramp-up of the output voltage, reducing stress on connected components.
• Short Circuit Protection: It includes short circuit protection to prevent damage in case of a short circuit condition.
• Thermal Shutdown: The IC has built-in thermal shutdown protection to prevent overheating.

Advantages and Disadvantages

Advantages: - High efficiency - Wide input voltage range - Adjustable output voltage - Compact package

Disadvantages: - Limited output current capacity (up to 1.5A) - Relatively low switching frequency compared to some other voltage regulators

Working Principles

The MC33063AVDR2G operates on the principle of a buck-boost switching regulator. It uses an internal oscillator to control the switching of an external power transistor, which converts the input voltage to the desired output voltage. The feedback pin is used to set the desired output voltage, while the compensation pin helps stabilize the regulation loop.

Detailed Application Field Plans

The MC33063AVDR2G can be used in various applications, including but not limited to: - Battery-powered devices - Automotive electronics - Industrial control systems - LED lighting - Power supplies

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the MC33063AVDR2G include: - LM2576-ADJ - LT1073 - LM2596-ADJ - XL6009

These alternatives provide comparable voltage regulation capabilities and can be considered based on specific application requirements.

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