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LT1118CS8-2.5 Datasheet(PDF) 1 Page - Linear Technology |
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LT1118CS8-2.5 Datasheet(HTML) 1 Page - Linear Technology |
1 / 8 page 1 LT1118/LT1118-2.5 LT1118-2.85/LT1118-5 Low IQ, Low Dropout, 800mA, Source and Sink Regulators Adjustable and Fixed 2.5V, 2.85V, 5V Output FEATURES APPLICATIONS TYPICAL APPLICATION , LTC and LT are registered trademarks of Linear Technology Corporation. The LT ®1118 family of low dropout regulators has the unique capability of maintaining output regulation while sourcing or sinking load current. The 2.85V output voltage regulator is ideal for use as a Boulay termination of up to 27 SCSI data lines. The regulator maintains regulation while both sourcing and sinking current, enabling the use of active negation drivers for improved noise immunity on the data lines. Regulation of output voltage is maintained for TERMPWR voltages as low as 4.0V. When unloaded, quiescent supply current is a low 600 µA,allowingcontinu- ous connection to the TERMPWR lines. An ultralow power shutdown mode is also available on the SO-8 version. In Shutdown the output is high impedance and supply cur- rent drops to less than 10 µA. Current limits in both sourcing and sinking modes, plus on-chip thermal shutdown make the circuit tolerant of output fault conditions. The LT1118 is available in 3-lead SOT-223 and 8-lead SO packages. s Active Negation SCSI Terminations s Computers s Disk Drives s CD-ROM s Supply Splitter s Regulates While Sourcing or Sinking Current s Provides Termination for up to 27 SCSI Lines s 600 µA Quiescent Current s Ultra-Low Power Shutdown Mode s Current Limit and Thermal Shutdown Protection s Stable for Any CLOAD ≥ 0.22µF s Fast Settling Time s 1V Dropout Voltage Load Transient Response 1118 TA02.tif 0.2V 0V – 0.2V LT1118-2.85 GND 1118 TA01 IN 2.2 µF 5V 1 µF CERAMIC ILOAD OUT ILOAD – 400mA 800mA 0mA ∆VOUT DESCRIPTION |
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