TPS65160

TPS65160, TPS65160A www.ti.com SLVS566C – MARCH 2005 – REVISED MARCH 2013 BIAS POWER SUPPLY FOR TV AND MONITOR TFT LCD PANELS Check for Samples: TPS65160, TPS65160A FEATURES 1 2 8-V to 14-V Input Voltage Range VS Output Voltage Range up to 20 V 1% Accurate Boost Converter With 2.8-A Switch Current 1.5% accurate 1.8-A Step-Down Converter 500-kHz/750-kHz Fixed Switching Frequency Negative Charge Pump Driver for VGL Positive Charge Pump Driver for VGH Adjustable Sequencing for VGL, VGH Gate Drive Signal to Drive External MOSFET Internal and Adjustable Soft Start Short-Circuit Protection 23-V (TPS65160) Overvoltage Protection 19.5-V (TPS65160A) Overvoltage Protection Thermal Shutdown Available in HTSSOP-28 Package APPLICATIONS TFT LCD Displays for Monitor and LCD TV DESCRIPTION The TPS65160 offers a compact power supply solution to provide all four voltages required by thin-film transistor (TFT) LCD panel. With its high current capabilities, the device is ideal for large screen monitor panels and LCD TV applications. TYPICAL APPLICATION VIN 12 V C1 2*22 mF C3 1 mF VGL −5 V/50 mA C16 1 mF D2 C6 0.47 mF C7 470 mF R3 620 kW D3 R4 150 kW C8 220 nF C9 22 nF L1 10 mH D1 SL22 VS 15 V/1.5 A TPS65160 8 SUP 12 FREQ 20 VINB 21 VINB 4 SW SW 5 FB 1 OS 3 C4 22 pF C15 470 nF R1 680 kW R2 56 kW C2 3* 22 mF D4 22 AVIN 16 EN1 9 EN2 11 DRN 13 FBN 24 6 REF PGND 7 PGND 28 25 SS DLY1 GND 23 GD 27 GD DRP 10 14 FBP 17 Boot 18 SWB 19 NC FBB 15 2 ...