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[TPS61183] Is the TPS61183 able to be used to drive one strings of LED by connecting together two IFBx pins?

Other Parts Discussed in Thread: TPS61183

Is the TPS61183 able to be used to drive one strings of LED by connecting together two IFBx pins?

We have used 1MHz switching frequency, direct pwm mode and ISET resistor is set to 62K as 20mA.  Also the application is requiring 40mA (typ.) LED current per one LED string, we think LED channels can be tied together, if it is assuming the supply is suitable to drive the load.

Below schematic shows our application for driving a single string of LEDs via two IFBx pins.  We expect that one LED string current is equal to two times the IFBx channel current.

Please advise~