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UC560 Datasheet

  • UC560

  • 27-Line SCSI Source/Sink Regulator

  • 114.67KB

  • 5頁

  • TI

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UC560
27-Line SCSI Source/Sink Regulator
FEATURES
鈥?/div>
Complies with SCSI, SCSI-2, SCSI-3
SPI and Ultra SCSI (Fast-20)
鈥?/div>
2.85V Regulated Output Voltage With
1.4% Tolerance
鈥?/div>
Provides Current for up to 27 Lines of
Active Termination for SCSI Buses
鈥?鈭?50mA
Sourcing Current for
Termination
鈥?/div>
+300mA Sinking Current for Active
Negation Drivers
鈥?/div>
0.9V Dropout Voltage Regulator at
750mA and 2.75V Output
鈥?/div>
100碌A(chǔ) Supply Current in Disconnect
Mode
鈥?/div>
Current Limit and Thermal Shutdown
Protection
鈥?/div>
Low Thermal Resistance Surface Mount
Packages
DESCRIPTION
The UC560 provides current for up to 27 lines of active termination for a
SCSI (Small Computers Systems Interface) parallel bus. The SCSI
standard requires active termination at both ends of the cable. The
UC560 is based on the UC5603 and UC5613 SCSI Active Terminators.
It uses the voltage regulator and internal logic circuits of those parts,
but has no termination circuits. The UC560 provides greater source cur-
rent drive capability compared to the UC5603 and UC5613.
The UC560 sink current maintains regulation with all active-negation
drivers negated. It provides a disconnect feature which disables the
regulator to greatly reduce standby power. Internal circuit trimming is
utilized for a 1.4% tolerance output voltage. Other features include ther-
mal shutdown and current limit for short circuit conditions.
The UC560 is available in low thermal resistance versions of the indus-
try standard 8-pin power SOIC, 5-pin TO-220 and 5-pin TO-263.
BLOCK DIAGRAM
Pin Numbers refer to 8-pin DP package.
UDG-95136-1
SLUS213 - APRIL 1998

UC560相關(guān)型號PDF文件下載

  • 型號
    版本
    描述
    廠商
    下載
  • 英文版
    27-Line SCSI Source/Sink Regulator
    TI
  • 英文版
    27-Line SCSI Source/Sink Regulator
    TI [Texas ...
  • 英文版
    SCSI Active Terminator
    TI
  • 英文版
    SCSI Active Terminator
    TI [Texas ...
  • 英文版
    SCSI Active Terminator
    TI
  • 英文版
    SCSI Active Terminator
    TI [Texas ...
  • 英文版
    9-Line SCSI Active Terminator
    TI
  • 英文版
    9-Line SCSI Active Terminator
    TI [Texas ...
  • 英文版
    9-Line Low Capacitance SCSI Active Terminator
    TI
  • 英文版
    9-Line Low Capacitance SCSI Active Terminator
    TI [Texas ...
  • 英文版
    9-Line Low Capacitance SCSI Active Terminator
    TI
  • 英文版
    9-Line Low Capacitance SCSI Active Terminator
    TI [Texas ...
  • 英文版
    Plug and Play, 18-Line SCSI Active Terminator
    TI
  • 英文版
    Plug and Play, 18-Line SCSI Active Terminator
    TI [Texas ...
  • 英文版
    18-Line Low Capacitance SCSI Active Terminator
    TI
  • 英文版
    18-Line Low Capacitance SCSI Active Terminator
    TI [Texas ...
  • 英文版
    18-Line Low Capacitance SCSI Active Terminator
    TI
  • 英文版
    18-Line Low Capacitance SCSI Active Terminator
    TI [Texas ...
  • 英文版
    Positive Fixed Voltage Regulator
    ETC
  • 英文版
    9-Line Low Capacitance SCSI Active Terminator
    TI

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