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  • Hot-Plugggability And Turn On Delay In DC/DC Converters
    When a power supply or DC/DC converter fails in a redundant power system, the system continues to operate from one of the redundant power sources. To replace or repair the failed power source, the system must remain operational during this time. When a DC/DC converter has been replaced
  • DC/DC Converter Controller Using a PICmicro Microcontroller
    In many applications, a DC/DC Converter is used to produce a regulated voltage or current, derived from an unregulated power supply, or from a battery. Examples of these applications include battery chargers, electronic air purifiers, emergency exit signs, and distributed power systems. In some
  • DC/DC Converters In Power Sequencing Systems
    System power from multiple supply voltages utilize power up/down sequencing to avoid IC latch up, a potential cause of catastrophic failure of a system. Semiconductor companies offer different ICs to address most power system sequencing needs. When multiple DC/DC converters are used in a system
  • Circuit Ideas: High-efficiency dc/dc conversion
    One of the primary goals when designing dc/dc conversion circuits is to get a high conversion efficiency. Without careful design, it is easy to dissipate as much energy in the conversion circuit as gets delivered to the load. The dc/dc conversion method of choice for moderate power output is often
  • Simplifying Power Supply Design with a 15A, 42V Power Module
    The DC/DC buck converter is one of the most popular and widely used power supply topologies, finding. applications in industrial, servers, telecom, and automotive sectors. The non-isolated buck converter also sees increasing use as a point-of-load (POL) solution to deliver power from a DC bus
  • Switch Mode Power Supply (SMPS) Topologies (Part I)
    components for a given SMPS design. The main idea behind a switch mode power supply can easily be understood from the conceptual explanation of a DC-to-DC converter, as shown in Figure 1. The load, RL, needs to be supplied with a constant voltage, VOUT, which is derived from a primary voltage source, VIN
  • Methods To Increase The Hold-Up Time Of AC/DC Or DC/DC Converters
    Microprocessor-based systems monitor their own power supplies to start or terminate operation. A so-called 'watchdog” circuit continuously monitors and informs the processor of the condition of its supply voltage. Figure 1 displays a typical TURN ON/OFF timing diagram of a converter and watchdog
  • Switching power supply design rules
    High-density dc/dc converters come in numerous combinations of input voltage, output voltage, and power levels. Modules such as these small PC-board-mounted packages provide output power to 150W. Resonant and quasi-resonant dc/dc converters are becoming more widely used because they are less

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