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LNBP Solutions

Feature

General Description

Intended for analog and digital satellite receivers, this low noise block converter regulator (LNBR) is a monolithic linear and switching voltage regulator, specifically designed to provide the power and the interface signals to two LNB down converters via coaxial cables. Wellang LNBP (Low Noise Block Power) solutions require only a few external components, with integrated boost switches and compensation circuitry inside the device.

A high switching frequency is chosen to minimize the size of the passive filtering components, further assisting in cost reduction. The high level of component integration ensures extremely low noise and ripple figures.

For DiSEqCTM communications, a tone control pin is provided to gate the internally-generated 22kHz tone on-and-off.

Audio Solutions Table

  Type Function Op. Voltage Feature Pkg Available
DT1803 DC/DC Converter LNBP IC with DiSEqC 2.x 10~16V 352kHz, OCP, OTP, UVP, SCP 20QFN 4x4 Now
DT1803A DC/DC Converter LNBP IC with DiSEqC 2.x 10~16V 352kHz, OCP, OTP, UVP, SCP 20QFN 4x4 Now
DT1805 DC/DC Converter LNBP IC with DiSEqC 1.x 10~16V 352kHz, OCP, OTP, UVP, SCP 16QFN 3x3 Now

Application

  • Satellite Receivers(STB)
  • Satellite TV
  • Satellite PC