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LTC3588-1 Datasheet Piezoelectric Energy Harvesting Power Supply

Manufacturer: Linear Technology (now Analog Devices)

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General Description

The LTC®3588-1 integrates a low-loss full-wave bridge rectifier with a high efficiency buck converter to form a complete energy harvesting solution optimized for high output impedance energy sources such as piezoelectric, solar, or magnetic transducers.

An ultralow quiescent current undervoltage lockout (UVLO) 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.

In regulation, the LTC3588-1 enters a sleep state in which both input and output quiescent currents are minimal.

Key Features

  • nn 950nA Input Quiescent Current (Output in Regulation.
  • No Load) nn 450nA Input Quiescent Current in UVLO nn 2.7V to 20V Input Operating Range nn Integrated Low-Loss Full-Wave Bridge Rectifier nn Up to 100mA of Output Current nn Selectable Output Voltages of 1.8V, 2.5V, 3.3V, 3.6V nn High Efficiency Integrated Hysteretic Buck DC/DC nn Input Protective Shunt.
  • Up to 25mA Pull-Down at VIN ≥ 20V nn Wide Input Undervoltage Lockout (UVLO) Range nn Available in 10-Lead MSE and 3mm × 3.

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