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LTC3250ES6-1.2#PBF More Descriptions
Dp-Charge Pump/General Purpose Cut Tape 1.2V Out High Efficiency, Low Noise Inductorless
LTC3250 - High Efficiency, Low Noise, Inductorless Step-Down DC/DC Converter
Switched Capacitor Regulator, 0.35A, 1800kHz Switching Freq-Max, PDSO6
The LTC3250-1.5/LTC3250-1.2 are charge pump step-down DC/DC converters that produce a 1.5V or 1.2V regulated output from a 2.7V to 5.5V input. The parts use switched capacitor fractional conversion to achieve typical efficiency two times higher than that of a linear regulator. No inductors are required. A unique constant frequency architecture provides a low noise regulated output as well as lower input noise than conventional charge pump regulators.* High frequency operation (fOSC = 1.5MHz) simplifies filtering to further reduce conducted noise. The part also uses Burst Mode® operation to improve efficiency at light loads. Low operating current (35µA with no load, <1µA in shutdown) and low external parts count (three small ceramic capacitors) make the LTC3250-1.5/LTC3250-1.2 ideally suited for space constrained battery powered applications. The parts are short-circuit and over-temperature protected, and are available in a low profile (1mm) 6-pin ThinSOT™ package. *U.S. Patent #6, 411, 531 Applications Handheld Computers Cellular Phones Digital Cameras Handheld Medical Instruments Low Power DSP Supplies
