MC33269D-5.0

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The MC33269D is a monolithic integrated circuit from Freescale Semiconductor designed as a 5 volt linear voltage regulator. It is designed for use as a positive voltage regulator, providing a regulated voltage of 5 volts with a maximum current output of 5 amperes. The maximum output current is limited by the internal power dissipation of the device. The MC33269D is in the Power Management Integrated Circuit (PMIC - Voltage Regulators - Linear) family.

The MC33269D functions as an adjustable voltage regulator when used as a positive voltage regulator. It has an adjustable voltage output between 4 volts to 10 volts, by means of an external resistive divider network. The output voltage is regulated to an accuracy of ±2 percent. This allows the user to operate the MC33269D in either 1.5V or 3.3V applications.

The MC33269D circuitry is protected against reverse voltage, overvoltage and short-circuit conditions. The overvoltage protection circuitry prevents damage to the regulator due to output voltage transients or shorts from the output voltage to ground. The reverse voltage protection circuitry allows the regulator to operate in either a forward or a reverse direction without damage.

The MC33269D is stable with a wide range of load and output transients. The regulator will keep the output in tolerance over the entire input voltage and temperature ranges. The MC33269D has an internal thermal shutdown circuit that protects the device in case of an overload or excessive junction temperature conditions. The shutdown function only turns the output off, not the input.

In terms of power dissipation, the MC33269D features optimized thermal management parameters that enable the device to reduce power consumption, extending the device\'s useful life. This feature is useful in systems that must operate in high-ambient temperatures, as the device\'s power consumption is vastly reduced even at elevated temperatures.

The MC33269D provides tight line and load regulation as well as low output noise for use in high application density systems. It is rated for operation over a −40°C to +85°C temperature range, allowing it to be used in a wide range of applications. It also features a wide operating frequency range up to 100 kHz, making it suitable for a wide range of switching applications.

The MC33269D is an ideal choice for applications such as distributed power systems, cellular telephones, personal computers, laptop computers and consumer related applications. It is also used in power management applications such as switched mode power supplies, motor-control applications, battery operated circuits and battery chargers. In addition, the integrated protection features make the MC33269D suitable for automotive and other industrial applications.

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