TPS65141

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design TPS65140, TPS65141, TPS65145 SLVS497F – SEPTEMBER 2003 – REVISED JUNE 2016 TPS6514x Triple Output LCD Supply With Linear Regulator and Power Good 1 Features 1 2.7-V to 5.8-V Input Voltage Range 1.6-MHz Fixed Switching Frequency 3 Independent Adjustable Outputs Main Output up to 15 V With <1% Typical Output Voltage Accuracy Virtual Synchronous Converter Technology Negative Regulated Charge Pump Driver VO2 Positive Charge Pump Converter VO3 Auxiliary 3.3-V Linear Regulator Controller Internal Soft Start Internal Power-On Sequencing Fault Detection of All Outputs (TPS65140 and TPS65145) No Fault Detection (TPS65141) Thermal Shutdown System Power Good Available in 24-Pin HTSSOP and 24-Pin VQFN PowerPAD™ Packages 2 Applications TFT LCD Displays for Notebooks TFT LCD Displays for Monitors Portable DVD Players Tablet PCs Car Navigation Systems Industrial Displays Block Diagram TPS6514x VI 2.7 V to 5.8 V Boost Converter Negative Charge Pump Positive Charge Pump VO1 Up to 15 V / 400 mA VO2 Down to ±12 V / 20 mA VO3 Up to 30 V / 20 mA 3 Description The TPS6514x series offers a compact and small power supply solution to provide all three voltages required by thin film transistor (TFT) LCD displays. The auxiliary linear regulator controller can be used to generate a 3.3-V logic power rail for systems powered by a 5-V supply rail only. T...