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          SGM41286

          LNB Supply with Tone Repeater/Synthesizer and Programmable Cable Drop Compensation
           
          LNB Supply with Tone Repeater/Synthesizer and Programmable Cable Drop Compensation
          GENERAL DESCRIPTION

          This device is a high efficiency boost power supply which converts 12V nominal input to 14V/19V nominal output, plus a linear regulation stage for tone signal transmission. It can repeat the external 22kHz tone input symmetrically or synthesize a 22kHz tone signal upon external on/off control.

          Pulsing on its EN initiates -1V/+0.4V drop compensation, making it suitable for where external surge absorbing devices are used at the output and for long cable installation.

          The SGM41286 is available in Green TDFN-3×3-8L and SOIC-8 (Exposed Pad) packages. It operates over an ambient temperature range of -40 to +85.

          PIN CONFIGURATIONS

          41286.png

          FEATURES
          • 7V to 14V Input Voltage

          • 500mA 14V/19V Output

          • DiSEqC 1.X Compatible

          • Programmable -1V/+0.4V Drop Compensation

          • High Efficiency Low Head Room Architecture

          • Acoustic Noise Free Low Power Operation

          • Automatic Tone Repeater or Tone Synthesizer

          • LDO Output and Low Out-of-Band Noise

          • Internal Short-Safe Over-Current Protection

          • Internal Over-Temperature Protection

          • 200ms Current Limit Loading Surge Window

          • Available in Green TDFN-3×3-8L and SOIC-8 (Exposed Pad) Packages

          • -40 to +85 Operating Temperature Range

          APPLICATIONS

          STB Satellite Receiver

          TV Satellite Receiver

          PC Card Satellite Receiver

          ORDERING INFORMATION
          Part NumberStatusPackagePinsPb-FreeTemp Range
          SGM41286YPS8G/TRProductionSOIC-8 (Exposed Pad)8Y-40℃ to +85℃
          SGM41286YTDB8G/TRProductionTDFN-3×3-8L8Y-40℃ to +85℃

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