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MC33702 - Microprocessor Power Supply

Key Features

  • I2C with address register selection for programming control.
  • Programmable internal Watchdog and Power-ON Reset to ensure MCU performance integrity.
  • Synchronous buck converter with cycle-by-cycle PWM current mode control for enhanced output voltage accuracy.
  • Boost converter for enhanced low-voltage performance.
  • Adjustable switching regulator output voltage via external resistor divider.
  • External RC programmed Reset Power-UP Delay timer.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Freescale Semiconductor, Inc. ANALOG PRODUCTS MC33702 FACT SHEET Freescale Semiconductor, Inc... 33702 MICROPROCESSOR POWER SUPPLY (3.0 A) The 33702 is a monolithic IC providing an efficient means of obtaining power for the Motorola Power QUICC I and II microprocessor families and other advanced microprocessors. The IC incorporates a high-performance synchronous switching regulator. The regulator is capable of delivering 3.0 A to power the microprocessor's core and linear circuitry to control an external low-drop FET for powering the microprocessor's I/O operations. Both regulator output voltages are independently adjustable. A boost converter allows high-accuracy output voltages to be developed from source operating voltages as low as 2.8 V. Seven ±1.