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  • 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
  • Dealing With Noise Generated By A DC/DC Converter
    each other. Cost reduction efforts have influenced the industry up to a point that IC and converter manufacturers design application-specific products to minimize cost. The most commonly used noise reduction component is a low-pass filter at the output and/or input. Noise in DC/DC converters
  • D/A Conversion Using PWM and R-2R Ladders to Generate Sine and DTMF Waveforms
    Many embedded applications require the generation of analog signals. Although separate D/A converter IC?s exist on the market today, their extra price makes them prohibitive in cost sensitive embedded control designs. The following application note describes two DAC designs for generation
  • Optimizing POL Transient Response with the Tunable LoopTM Feature (.pdf)
    Point of Load (POL) DC-DC converter modules are widely used today in a range of applications to provide regulated DC power to a variety of loads. Since POLs are small, efficient and relatively inexpensive, their utility in providing common powering voltages to groups of IC loads has resulted
  • 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
  • Society for Information Display New Products August 2003
    and lowering costs. " Specifically, with Philips' new LTPS-LCD module, the majority of the dc/dc converter is directly embedded onto the actual glass, so only a single supply voltage is required. By integrating the dc/dc IC and many of the external capacitors directly onto the glass itself, the result
  • The Evolution of Switched Capacitor Backlight Drivers in Mobile Phones
    LED (see Figure 1). The primary argument for using an inductive boost converter has been efficiency. While their performance varies from device to device depending upon switching frequency, resistance of the switches or MOSFETs inside the IC, and the resistance of the external inductor used, generally
  • | Electronics Industry News for EEs & Engineering Managers
    converter wins in Palm VII National completes Cyrix sale to Via Synopsys targets European growth with new R &D center in Ireland Vitesse, Power X to develop joint reference platform for network chips National scores IBM win for Geode Speedfam-IPEC supplies memory-disk cleaning system Singapore test

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