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DC1459B-A: 1.8 ~ 3.6V @ 100mA, 2.7 ~ 20 Vin, Piezo Energy Harvesting

Summary

Demonstration Circuit 1459B is an energy harvesting power supply featuring the LTC3588-1/LTC3588-2.

The LTC3588 integrates a low-loss full-wave bridge with a high efficiency buck converter to form a complete energy harvesting solution optimized for energy sources with high output impedance 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, signaling that the output is in regulation.

Specifications

Manufacturer Linear Technology/Analog Devices
Category Energy Harvesting
Sub-Category Vibration Energy Harvesting
Eval Board Part Number DC1459B-A-ND
Eval Board Supplier Linear Technology/Analog Devices
Eval Board Normally In Stock
Application / Target Market Energy Harvesting
Wireless Sensor
Voltage Out 1.8 V
2.5 V
3.3 V
3.6 V
Voltage In 2.7 ~ 20 V
Current Out 100 mA
Features Current Limit (Adj. or Fixed)
Power Good Output
Under Voltage Protection, Brown-Out
Design Author Linear Technology
Component Count + Extras 6 + 12
Main I.C. Base Part LTC3588-1
Date Created By Author 2010-04
Date Added To Library 2016-10

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