TPS65235

Product Folder Order Now Technical Documents Tools & Software Support & Community TPS65235 SLVSD80C – NOVEMBER 2015 – REVISED JULY 2019 TPS65235 LNB Voltage Regulator With I2C Interface 1 Features 1 Complete Integrate Solution for LNB and I2C Interface DiSEqC 2.x, and DiSEqC 1.x Compatible Supports 5-V, 12-V and 15-V Power Rail Up to 1000 mA Accurate Output Current Limit Adjustable by External Resistor Boost Switch Peak Current Limit Proportional to LDO Current Limit Boost Converter with 140-mΩ Low Rds(on) Internal Power Switch Boost Switching Frequency 1-MHz or 500-kHz Selectable Dedicated Enable Pin for Non-I2C Application Low Drop Output LDO With Push-pull Output Stage for VLNB Output Built-in Accurate 22-kHz Tone Generator and External Tone Input Support Supports Both External 44-kHz and 22-kHz Tone Input Adjustable Soft-start and 13-V to 18-V Voltage Transition Time 650 mV to 750-mV, 22-kHz Tone Amplitude Selection I2C Registers Accessible with EN Low Short Circuit Dynamic Protection Diagnostics for Output Voltage Level, DiSEqC Tone Input and Output, Current Level, and Cable Connection Thermal Protection Available 20-Lead WQFN 3-mm x 3-mm (RUK) Package 3 Description Designed for analog and digital satellite receivers, the TPS65235 is a monolithic voltage regulator with I2C interface; specifically to provide the 13-V to 18-V power supply and the 22-kHz tone signal to the LNB down converter in the antenna dish or to the multiswitch...