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  • Buck-boost Converters
    Buck-boost converters can be used for either step-up or step-down conversions. They can also be used to reverse or invert voltage polarity. With buck-boost converters, the inverting regulator converts a DC input voltage to a DC output voltage that is opposite in polarity to the input. The negative
  • Forward Converters
    Forward, buck, or step-down converters are used to convert a higher DC input voltage to a lower DC output voltage of the same polarity. Forward converters are similar to buck-boost converters, but use a transformer to store energy and provide isolation between the input and output. The difference
  • Buck Boost vs. Buck Converter Battery Life for Portable 3.3V Micro Hard Disk Drive Applications
    drive voltage of. 3.3V, an obvious dilemma associated with this application is whether to use a low dropout DC/DC step-down. (buck) converter or a step-down/step-up (buck-boost) converter. A buck converter (Figure 1) provides the most efficient solution with the smallest external components
  • Buck-Boost LED Driver Using the PIC16F785 MCU
    This application note presents the design equations, schematics and source code for a 5.5W power LED driver using the PIC16F785 MCU. The application, as shown, can be connected to operate as a buck-boost converter or a boost converter. The PIC16F785 makes a great choice for this application because
  • Generating High Voltage Using the PIC16C781/782
    displays and LCDs. However, for this technical brief, the Nixie tube serves as an excellent visual feedback of the PIC16C782 device's ability to generate high voltage from a low-voltage source. This technical brief introduces the boost converter topology operating in Discontinuous mode. As an example
  • Design Alternatives To The TC682 For Performing Inverting Voltage Doubler Functions
    . Assuming that a single-cell Li-Ion battery (with a nominal terminal voltage of 3.6V) is powering the system, a regulating DC/DC boost converter is needed to generate the +5V regulated input supply to the TC682.
  • Inverting Applications Made Simple
    Designers often require power sources with negative output voltages. There are many different ways to produce a negative output voltage from a positive input voltage. One option is a polarity-inverting buck-boost converter. The advantages of this topology are that it requires low component count
  • Connecting LEDs: Serial vs. Parallel
    converter to create voltages higher and lower than the battery, depending on the state of charge. Connecting all LEDs in series requires a boost converter to create a voltage higher than the power source. In practice, series connected LEDs are powered from DC/DC inductive boost converters, whereas

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