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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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