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LTC3130 Wide Vin Range, Low Noise 1.8V Converter Uses Charge Pump to Generate EXTVcc

Figure 18. Wide Vin Range, Low Noise 1.8V converfer Uses charge Pump to Generate an EXTVcc Supply

The LTC3130/LTC3130-1 are high efficiency, low noise, 600mA buck-boost converters with wide VIN and VOUT ranges. For high efficiency operation at light loads, BurstMode operation can be selected, reducing the quiescent current to just 1.6µA. Converter start-up is achieved from sources as low as 7.5µW.