Part No. Efficiency Imax Input Voltage Range Categories Cross Reference Items
FT435 90% 6μA 0.8V Boost (step up) BL8530, AIC1642, ME2108, QX2304
FT441X 95% 900mA 2.5V to 5.5V Buck (step down) MP2105
FT440X 95% 600mA 2.5V to 5.5V Buck (step down) ACT6906, AMC3100, APS1006, LTC3406, RT8009