LINEAR TECHNOLOGY LT1680 Manual

Update: 30 September, 2023

This document introduces LT1680, a high-power, current-mode switching power supply 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 10,000pF gate capacitance, enabling the construction of high power DC/DC convert- ers. 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 LT1680 operating frequency is programmable and can be synchronized up to 200kHz. Minimum off-time operation provides switch protection. The IC also incorpo- rates a soft start feature that is gated by both shutdown and undervoltage lockout conditions.

Brand: LINEAR

File format: PDF

Size: 218 KB

MD5 Checksum: 8AFD954A7BA588DD4305A3F9F0185570

Publication date: 08 May, 2012

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PDF Link: LINEAR TECHNOLOGY LT1680 Manual PDF

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