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  • 72V Hybrid DC/DC Reduces Intermediate Bus Converter Size by Up to 50%
    The combination of a switched capacitor circuit to halve the input voltage followed by a synchronous step-down converter (hybrid converter) provides up to a 50% reduction in DC/DC converter solution size compared to traditional buck converter alternatives. This improvement is enabled by a 3X higher
  • Applying the TC1219/TC1220 Inverting Charge Pumps with Small External Capacitor Values
    Microchip Technology Inc.'s TC1219 (switching frequency at 12 kHz) and TC1220 (switching frequency at 35 kHz) are inverting charge pump voltage converters that are specified using rather large capacitors (10 µF for the TC1219 and 3.3 µF for the TC1220). These capacitor sizes allow the designer
  • TC7109 Records Remote Data Automatically
    A Microchip Technology analog-to-digital converter, a 2K-byte CMOS static RAM, and some gates and counters can be combined to form a low-cost, flexible, standalone data logging system. All the ICs are CMOS and the clock frequency is low, so power supply current is only a couple of milliamperes
  • Design and Development of Medical Electronic Instrumentation
    to perform volume-conductor experiments with a voltage-to-current converter. and physical models of the body. In Chapter 7 we look at the principles and clinical applications of electrical stimulation. of excitable tissues. Projects include the design of stimulation circuits for implantable. pulse

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