TPS65233-1

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS65233-1 SLVSD66 – SEPTEMBER 2015 TPS65233-1 LNB Voltage Regulator With I2C Interface 1 Features 1 Complete Integration Solution for LNB and I2C DiSEqC 1.x Compatible Supports 9-V and 12-V Power Bus Up to 1000-mA Accurate Output Current Limit Adjustable by External Resistor and I2C Boost Converter With Low Rdson Internal Power Switch Dedicated Enable Pin for Non-I2C Application Low Noise, Low Drop Output With Push-Pull Output Stage Built-In Accurate 22-kHz Tone Generator or External Pin Adjustable Soft-Start and 13-V/18-V Voltage Transition Time Compliant With Main Satellite Receiver Systems Specifications LNB Short Circuit Dynamic Protection Diagnostics for Output Voltage Level, Input Supply UVLO, and DiSEqC Tone Output Cable Disconnect Diagnostic Available in a 16-Pin WQFN 3.00-mm × 3.00-mm (RTE) Package 2 Applications Set-Top Box Satellite Receiver TV Satellite Receiver PC Card Satellite Receiver 3 Description Designed for analog and digital satellite receivers, the TPS65233-1 is a monolithic voltage regulator with I2C interface, specifically to provide the 13-V/18-V power supply and the 22-kHz tone signaling to the LNB down-converter in the antenna dish or to the multiswitch box. It offers a complete solution with very low component count, low power dissipation together with simple design and I2C standard interfacing. TPS65233-1 features high powe...