G5567

Global Mixed-mode Technology G5567 6-CH Bias Power Supply for LCD TVs Features „ 8V to 14V input Voltage Range „ 6-bit Boost Converter VAVDD: 13.5V…19.8V ♦ 750kHz Switching Frequency ♦ 3-bit prog. Switch Current Limit up to 4.25A ♦ 4-bit prog. HVS Offset Voltage: 0V…3V ♦ bit prog. Soft-Start Time „ Integrated VAVDD Isolation Switch „ 4-bit Buck Converter VIO: 2.2V…3.7V ♦ 750kHz Switching Frequency ♦ 3A Switching Current Limit „ 5-bit Sync. Buck Converter VCORE: 0.8V…3.3V ♦ 2MHz Switching Frequency ♦ 2.5A Switching Current Limit „ 6-bit Sync. Buck Converter VHAVDD: 4.8V…11.1V ♦ 750kHz Switching Frequency ♦ 1.7A Switching Current Limit „ 4-bit Charge Pump Controller VGH: 20V…35V ♦ 4-bit temp. Compensation Offset: 0V … 15V „ 4-bit Charge Pump Contr. VGL: -5.5V…-14.5V „ 2-bit Gate Pulse Modulation (GPM): 0V…15V „ Thermal Shutdown „ I2C Compatible Interface „ Available in 6mmX6mm 40-pin QFN Package Ordering Information ORDER NUMBER G5567QG1U Note: QG: QFN6X6-40 1: Bonding Code U : Tape & Reel Pin Configuration MARKING 5567 Applications „ TFT LCD Displays General Description The G5567 DC-DC converter provides six regulated voltages required by thin-film transistor (TFT) liquid crystal displays (LCD) panels. All output voltages are programmable. The VIO and VCORE buck converters are for the T-CON. The VAVDD boost converter and VHAVDD buck converters are for the source driver and Gamma buffer. Charge pump VGH and VGL are for the gate driver or level shifter. VGH voltage is with...