Achieving greater than 90% efficiency, this inductorless, 100 mA dc-dc converter optimizes battery life in portable and handheld applications. Suitable for portable and system voltage conversions, the FAN5660 maintains over 90% efficiency at full load with a typical operating current of 120 mA. Using just two capacitors, the charge-pump’s 100 mA output replaces switching regulators, eliminating inductors, size, and EMI. The FAN5660 inverts a +1.5V to +5.5V input to a corresponding -1.5V to -5.5V output. The converter can also split or double a full load, +5.0V input voltage, of a power supply or battery, providing +2.25V in splitter mode and +9.5V in doubler mode. Equipped with an onboard oscillator circuit, the FAN5660 charge pump can operate at either low (5 kHz) or high (50 kHz) frequencies. Packaged in an 8-lead SOIC, the FAN5660 is priced at $1.61 each/1,000. FAIRCHILD SEMICONDUCTOR, South Portland, ME. (888) 522-5372.
Company: FAIRCHILD SEMICONDUCTOR
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