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TL-SCSI285Y

Features: · Fully Matches Parameters for Alternative 2 SCSI Active Termination· Fixed 2.85-V Output· ±1% Maximum Output Tolerance at TJ = 25°C· 0.7-V Maximum Dropout Voltage· 620-mA Output Current· ±2% Absolute Output Variation· Internal Overcurrent Limiting Circuitry· Internal Thermal Overload Pr...

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SeekIC No. : 004522158 Detail

TL-SCSI285Y: Features: · Fully Matches Parameters for Alternative 2 SCSI Active Termination· Fixed 2.85-V Output· ±1% Maximum Output Tolerance at TJ = 25°C· 0.7-V Maximum Dropout Voltage· 620-mA Output Current· ...

TL-SCSI285Y Data Sheet

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Part Number:
TL-SCSI285Y
Supply Ability:
5000

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  • 1~5000
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  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/12/25

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Product Details

Description



Features:

· Fully Matches Parameters for Alternative 2 SCSI Active Termination
· Fixed 2.85-V Output
· ±1% Maximum Output Tolerance at TJ = 25°C
· 0.7-V Maximum Dropout Voltage
· 620-mA Output Current
· ±2% Absolute Output Variation
· Internal Overcurrent Limiting Circuitry
· Internal Thermal Overload Protection
· Internal Overvoltage Protection


Pinout

Connection Diagram


Specifications

Continuous input voltage, VI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.5 V
Continuous total dissipation (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . See Dissipation Rating Table
Operating virtual junction temperature range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55°C to 150°C
Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .... . . . 65°C to 150°C
Lead temperature 1,6 mm (1/16 inch) from case for 60 seconds: KC, N, or PW Package . . . . . . . . . . 260°C
Lead temperature 1,6 mm (1/16 inch) from case for 60 seconds: J Package . . . . . . . . . . . . .  . . . . . . 300°C

† Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

NOTE 1: Refer to Figures 1 and 2 to avoid exceeding the design maximum virtual junction temperature; these ratings should not be exceeded. Due to variation in individual device electrical characteristics and thermal resistance, the built-in thermal overload protection may be activated at power levels slightly above or below the rated dissipation.


Description

The TL-SCSI285 is a low-dropout (0.7-V) fixed-voltage regulator specifically designed for small computer systems interface (SCSI) alternative 2 active signal termination. The TL-SCSI285 0.7-V maximum dropout ensures compatibility with existing SCSI systems while providing a wide TERMPWR voltage range. At the same time the ±1% initial tolerance on its 2.85-V output voltage ensures a tighter line driver current tolerance, thereby increasing the system noise margin.

The fixed 2.85-V output voltage of the TL-SCSI285 supports the SCSI alternative 2 termination standard while reducing system power consumption. The 0.7-V maximum dropout voltage brings increased TERMPWR isolation, making the device ideal for battery-powered systems. The TL-SCSI285, with internal current limiting, overvoltage protection, ESD protection, and thermal protection offers designers enhanced system protection and reliability.

When configured as a SCSI active terminator, the TL-SCSI285 low-dropout regulator eliminates the 220-W and the 330-W resistors required for each transmission line with a passive termination scheme, reducing significantly the continuous system power drain. When placed in series with 110-W resistors, the device matches the impedance level of the transmission cable and eliminates reflections.

The TL-SCSI285 is characterized for operation from 0°C to 125°C virtual junction temperature. The TL-SCSI285M is characterized for operation from 55°C to 125°C virtual junction temperature




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