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  • 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
  • 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
  • DC/DC Converter Controller Using a PICmicro Microcontroller
    of those applications, a dedicated Switched Mode Power Supply (SMPS) Controller IC is used in conjunction with a microcontroller. In other applications, however, a dedicated SMPS Controller IC may be overkill. An alternative approach is to generate a low cost SMPS function in a smart microcontroller
  • Power IC for Powering Xilinx (R) Spartan-6 Reference Design (.pdf)
    This reference design is for powering the Spartan 6 LX150 and features TI's Swift Intragrated FETS DC to DC converters.
  • Power IC for Powering Marvell (R) PXA270 Processors (.pdf)
    This reference design is for powering a Marvell PXA270 processor using TI's TPS65021, a power management unit that provides three highly efficient, step-down converters targeted at providing the core voltage, peripheral, I/O and memory rails in the system.
  • 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
  • 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

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