G5997

Global Mixed-mode Technology G5997 Step-up Controller for 12 Strings 60mA White LED Driver Features „ 5V~30V input voltage range „ High Power Current Mode DC/DC boost Controller „ Drives up to 12 strings in parallel „ 100Hz~2KHz PWM or DC Input True PWM Dim- ming „ 2.5% Current Matching Accuracy Between Strings „ Programmable Switching Frequency „ Programmable Slope Compensation „ Input Under Voltage Protection „ Output Short Circuit Protection „ Hiccup Mode Protection for Output Over Voltage Protection and LED String Short Protection „ Thermal Shutdown „ Available in SOP-28, TSSOP-28 (FD) and TQFN5X5-28 Package Applications „ Desktop LCD Flat Pannel Displays „ Flat Pannel Video Displays „ LCD TVs and Monitors General Description The G5997 is current mode DC/DC controller that drives up to 12 strings connected in parallel configuration with multiple LEDs in each string connected in series. External current sense resistor and slope compensation resistor make it flexib...