一款IC型号？

哪位大侠帮忙查查一款led吸顶灯IC型号以及可以用哪个型号的1C代换，其丝印是：17 0-01

                                                                                                                      R0K47/R0N47此处是K或N看不清了

                                                                                                                      AB1239

其负载能力是20W---30W 输出350mA/60---100V