• MC33063AD SOIC (D)-8
MC33063AD SOIC (D)-8


MC33063AD Product Description - Versatile 1.5A DC-DC Converters Adjustable from 3V to 40V, ROHS Compliant


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  • Part Number : MC33063AD

  • Package/Case : SOIC (D)-8

  • Brands : Texas Instruments

  • Components Categories : Voltage Regulators - DC DC Switching Regulators

  • Datesheet : MC33063AD DataSheet (PDF)

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Overview of MC33063AD

The MC33063AD is a monolithic control circuit containing all the active functions needed for a step-down (buck) switching regulator. It operates at a fixed frequency and is able to deliver an output voltage up to 40V with a maximum output current of 1.5A. The device includes an on-chip oscillator, PWM control circuit, error amplifier, and reference voltage source. The MC33063AD can be used in a wide range of applications, including voltage converters, LED drivers, and battery chargers. It features a low start-up current of 500μA and a low dropout voltage of 1.5V. The device also includes thermal shutdown and short circuit protection to ensure safe operation.The IC comes in an 8-pin DIP package and is easy to implement in various circuit designs. With its high efficiency and reliable performance, the MC33063AD is a popular choice for voltage regulation in various electronic systems


Key Features

  • The MC33063AD is a versatile DC-DC step-up/down converter with a wide input voltage range and adjustable output voltage
  • It has a high efficiency and a low standby current
  • It also has built-in thermal shutdown and short circuit protection features
  • Application

  • The MC33063AD is commonly used in a variety of applications including DC-DC voltage converters, voltage inverters, battery chargers, LED drivers, and buck boost converters
  • It is widely used in power supply and battery-operated systems in industries such as automotive, industrial, telecommunications, and consumer electronics
  • Specifications

    The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

    Topology Boost, Buck, Flyback, Forward, SEPIC Vin (min) (V) 3
    Vin (max) (V) 40 Vout (min) (V) 1.25
    Vout (max) (V) 40 Switch current limit (typ) (A) 1.5
    Type Converter Regulated outputs (#) 1
    Switching frequency (min) (kHz) 33 Switching frequency (max) (kHz) 100
    Iq (typ) (mA) 4 Features Nonsynchronous rectification
    Duty cycle (max) (%) 80 Operating temperature range (°C) -40 to 85
    Rating Catalog

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