DC1459B-A

DC1459B-A is a LTC3588EMSE-1 Piezoelectric generator power supply demonstration board. Demonstration Circuit 1459B is an energy harvesting power supply featuring the LTC3588-1. The LTC3588 integrates a low-loss full-wave bridge with a high efficiency buck converter to form a complete energy harvesting solution optimized for high output impedance energy sources such as piezoelectric transducers. An ultralow quiescent current undervoltage lockout mode with a wide hysteresis window allows charge to accumulate on an input capacitor until the buck converter can efficiently transfer a portion of the stored charge to the output. Four output voltages are pin selectable with up to 100mA of continuous output current. A power good comparator produces a logic high referenced to VOUT on the PGOOD pin when the converter reaches the programmed VOUT, signalling that the output is in regulation.

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