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Texas Instruments REG1117/REG1117A Positive Regulator

Texas Instruments REG1117/REG1117A Positive Regulators are an easy-to-use three-terminal voltage regulator. The TI REG1117/REG1117A positive regulator features 1A max output current and dropout voltage of 1.3V max at Io=1A. The Texas Instruments REG1117/REG1117A positive regulator is designed for use with a variety of applications, including SCSI-2 active termination, hand-held data collection devices, high-efficiency linear regulators, battery-powered instrumentation, and more.

Features

  • Fixed and adjustable versions
  • 2.85V model For SCSI-2 active termination
  • Output current
    • 800mA max (REG1117)
    • 1A max (REG1117A)
  • ±1% max output tolerance
  • Dropout voltage
    • 1.2V max at IO = 800mA (REG1117)
    • 1.3V max at IO = 1A (REG1117A)
  • Internal current limit
  • Thermal overload protection
  • SOT-223 and DDPAK surface-mount packages

Applications

  • SCSI-2 active termination
  • Hand-held data collection devices
  • High-efficiency linear regulators
  • Battery-powered instrumentation
  • Battery-management circuits for notebook and palmtop PCs
  • FPGA, PLD, DSP, CPU core voltage supply 

Simplified Schematic

Schematic - Texas Instruments REG1117/REG1117A Positive Regulator
Đã phát hành: 2010-03-16 | Đã cập nhật: 2022-03-11