LT1680CSW#PBF - 

DC/DC Controller, High Power, 4V to 60V, 1 Output, Boost, 200kHz, WSOIC-16

LT1680CSW#PBF - DC/DC Controller, High Power, 4V to 60V, 1 Output, Boost, 200kHz, WSOIC-16

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Product Overview

The LT1680CSW#PBF is a high power current-mode switching DC/DC Step-up Controller optimized for boost topologies. The IC drives an N-channel MOSFET switch for DC/DC converter applications up to 60V input. A high current gate drive output handles up to 10000pF gate capacitance, enabling the construction of high power DC/DC converters. Current sense common mode range up to 60V allows current sensing to be referenced to the input supply, eliminating the need for sense blanking circuits. The LT1680 incorporates programmable average current limiting allowing accurate limiting of DC current in the magnetics, independent of ripple current. User adjustable slope compensation provides stable operation at duty cycles up to 90%. The operating frequency is programmable and can be synchronized up to 200kHz. Minimum off-time operation provides switch protection. The IC also incorporates a soft start feature that is gated by both shutdown and undervoltage lockout conditions.
  • Fixed frequency current mode operation
  • Undervoltage lockout with hysteresis
  • Programmable start inhibit for power supply sequencing and protection
  • User adjustable slope compensation


Power Management, Industrial, Automation & Process Control, Automotive

Product Information

1 Output
Boost (Step Up)
MSL 1 - Unlimited
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