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LTC3355 - 20V 1A Buck DC/DC

Description

The LTC®3355 is a complete input power interrupt ridethrough DC/DC system.

The part charges a supercapacitor while delivering load current to VOUT, and uses energy from the supercapacitor to provide continuous VOUT backup power when VIN power is lost.

Features

  • nn VIN Voltage Range: 3V to 20V nn VOUT Voltage Range: 2.7V to 5V nn 1A Current Mode Buck Main Regulator nn 5A Boost Backup Regulator Powered from Single Supercapacitor nn Boost Regulator Operates Down to 0.5V for Maximum Utilization of Supercapacitor Energy nn Programmable Supercapacitor Charge Current to 1A with Overvoltage Protection nn Charger Supports Single Cell CC/CV Battery Charging nn Programmable VIN Current Limit nn Programmable Boost Current Limit nn VIN Power Fail Indicator nn VCAP.

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Datasheet preview – LTC3355

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Full PDF Text Transcription

Click to expand full text
FEATURES nn VIN Voltage Range: 3V to 20V nn VOUT Voltage Range: 2.7V to 5V nn 1A Current Mode Buck Main Regulator nn 5A Boost Backup Regulator Powered from Single Supercapacitor nn Boost Regulator Operates Down to 0.
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