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Производитель:Linear Technology

20 V 1 A Buck DC/DC with Integrated SCAP Charger and Backup Regulator


Варианты написания: LTC3355IUFTRPBF, LTC3355IUF TRPBF

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LTC3355 20V 1A Buck DC/DC with Integrated SCAP Charger and Backup Regulator FeaTures 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. The LTC3355 contains a nonsynchronous constant frequency current mode monolithic 1A buck switching regulator to provide a 2.7V to 5V regulated output voltage from an input supply of up to 20V. A 1A programmable CC/CV linear charger charges the supercapacitor from VOUT. When the VIN supply drops below the PFI threshold, the devices's constant frequency nonsynchronous current mode 5A boost switching regulator delivers power from the supercapacitor to VOUT. A thermal regulation loop maximizes charge current while limiting the die temperature to 110°C. The IC has boost, charger and VIN programmable current limits. The LTC3355 is available in a 20-lead 4mm Ч 4mm QFN surface mount package.
L, LT, LTC, LTM, Linear Technology, the Linear logo and Burst Mode are registered trad...

На английском языке: Datasheet Linear Technology LTC3355IUF#TRPBF

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