Cree Application Note: XLamp LED Thermal Management
th j-a. th j-b. th b-a. R. = R. + R. =8�C/W + 1�C/W = 9�C/W. th j-b. th j-sp. th sp-b. R. = (T - T ) / P. th b-a. b. a. total. P. = If x V. total. f. T = 23�C. a. Table 1 shows the test and ...