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TI(德州仪器) TPS51100
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  • TI(德州仪器) TPS51100
  • TI(德州仪器) TPS51100
  • TI(德州仪器) TPS51100
  • TI(德州仪器) TPS51100
  • TI(德州仪器) TPS51100
  • TI(德州仪器) TPS51100
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TPS51100

TPS51100

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3A 拉电流/灌电流 DDR 终端器稳压器

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The TPS51100 is a 3-A, sink/source tracking termination regulator. The device is specifically designed for low-cost and low-external component count systems where space is a premium.

The TPS51100 maintains fast transient response, only requiring 20 µF (2 × 10 µF) of ceramic output capacitance. The TPS51100 supports remote sensing functions and all features required to power the DDR and DDR2 VTT bus termination according to the JEDEC specification. The part also supports DDR3 VTT termination with VDDQ at 1.5 V (typical). In addition, the TPS51100 includes integrated sleep-state controls, placing VTT in Hi-Z in S3 (suspend to RAM) and soft-off for VTT and VTTREF in S5 (suspend to disk). The TPS51100 is available in the thermally efficient 10-pin MSOP PowerPAD™ package and is specified from –40°C to 85°C.

  • Input Voltage Range: 4.75 V to 5.25 V
  • VLDOIN Voltage Range: 1.2 V to 3.6 V
  • 3-A Sink/Source Termination Regulator
    Includes Droop Compensation
  • Requires Only 20-μF Ceramic Output
    Capacitance
  • Supports Hi-Z in S3 and Soft-Off in S5
  • 1.2-V Input (VLDOIN) Helps Reduce Total
    Power Dissipation
  • Integrated Divider Tracks 0.5 VDDQSNS for
    VTT and VTTREF
  • Remote Sensing (VTTSNS)
  • ±20-mV Accuracy for VTT and VTTREF
  • 10-mA Buffered Reference (VTTREF)
  • Built-In Soft-Start, UVLO, and OCL
  • Thermal Shutdown
  • Supports JEDEC Specifications
Vin (min) (V)1.2
Vin (max) (V)3.6
FeaturesS3/S5 Support
Iq (typ) (mA)0.5
RatingCatalog
Operating temperature range (°C)-40 to 85
HVSSOP (DGQ)1014.7 mm² 3 x 4.9
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