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US2005 - FIXED CURRENT LIMIT POWER DISTRIBUTION SWITCH

General Description

UTC US2005 is a lo w voltage cost-effective high-side power switch with curr ent li miting fu nction.

It is partic ularly s uitable for ge neral purpose p ower distributi on and co ntrol i n digita l telev isions (DT V), printers, set top boxes (STB), PCs, PDAs, and other peripheral devices.

Key Features

  • S.
  • Built-in 80mΩ N-MOSFET.
  • Open-drain fault flag output to Indicate fault conditions.
  • Input voltage varies from 2.5V to 5.5V.
  • 80μA low quiescent current.
  • Current limit values of 0.5A, 0.8A, and 1.2A.
  • Automatic-on output after fault.
  • Thermal protection.
  • Under voltage lock-out (UVLO).

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UNISONIC TECHNOLOGIES CO., LTD US2005 Preliminary CMOS IC FIXED CURRENT LIMIT POWER DISTRIBUTION SWITCH  DESCRIPTION UTC US2005 is a lo w voltage cost-effective high-side power switch with curr ent li miting fu nction. It is partic ularly s uitable for ge neral purpose p ower distributi on and co ntrol i n digita l telev isions (DT V), printers, set top boxes (STB), PCs, PDAs, and other peripheral devices. UTC US2005 contains a ch arge pump circuitry to dr ive the internal MOSFET switch and also incorporate such protection circuits: soft-start circuit protect these dev ices from being d amaged b y li miting inr ush current d uring plug- in; ther mal shutd own circuit is us ed to preve nt catastrophic s witch fai lure fr om hi gh-current loa ds.