Onsemi MC33063AVD

The MC33063AVD is a monolithic DC-DC converter that can step-up (boost), step-down (buck), or inverts an input voltage. The device is designed for a wide range of applications where efficient power conversion is required. It features an internal voltage reference, an adjustable output voltage, and can operate with an input voltage range typically from 3V to 40V. Functions - Boost Converter: Increases a lower input voltage to a higher output voltage. - Buck Converter: Reduces a higher input voltage to a lower output voltage. - Inverting Converter: Produces a negative output voltage from a positive input voltage. - Adjustable Output Voltage: Can be configured to achieve the desired output voltage based on external resistor settings. - Built-in Voltage Regulation: Maintains steady output voltage despite variations in load or input voltage. Applications - Power supplies for portable devices. - Battery-powered applications. - LED drivers. - Power management in automotive applications. - Voltage regulation in industrial equipment. Alternative Parts While the MC33063AVD is a unique part, other ICs that can serve similar purposes include: - LM2577: A step-up (boost) converter with higher current output capabilities. - LM2596: A buck converter that offers high efficiency for voltage step-down applications. - LT1302: A high-speed DC-DC converter with similar functions. - TPS54321: A buck converter from Texas Instruments known for its efficiency and compact design. - LM2576: A simple step-down voltage regulator. Embedded Modules There might not be specific "embedded modules" for the MC33063AVD, but it can be found in various evaluation boards or modules for prototyping: - MC33063 Evaluation Board (EVB): Provides an easy way to evaluate the performance of the IC. - Various third-party DC-DC converter modules that utilize the MC33063AVD for specific applications. Related Q&A Q1: What is the maximum output current of the MC33063AVD? - A1: The MC33063AVD can typically provide a maximum output current of around 1.5A, depending on the configuration and external components used. Q2: Can the MC33063AVD operate with a solar panel input? - A2: Yes, the MC33063AVD can be used with solar panel inputs as long as the input voltage and current meet the requirements of the IC for the desired output voltage configuration. Q3: What types of feedback mechanisms does the MC33063AVD use for voltage regulation? - A3: The MC33063AVD uses a form of voltage feedback through external resistors to set and maintain the desired output voltage, along with internal regulation mechanisms for added stability. Q4: How do you configure the output voltage of the MC33063AVD? - A4: The output voltage can be configured by connecting external resistors to the feedback pin. Using the formula V_out = V_ref(1 + R2/R1) allows you to set the desired output voltage. Q5: What are the common uses of the MC33063AVD in consumer electronics? - A5: It is commonly used in applications such as battery chargers, small power supplies, portable devices, and LED drivers due to its efficiency and versatility.