From old datasheet system DC to DC converter - Datasheet Reference 2.2mhz Boost DC/DC converter in SOT-23 1A, 1.2mhz/2.2mhz,
Step-Up DC/DC converters
in ThinSOT 1A/ 1.2mhz/2.2mhz/ Step-Up DC/DC converters 1A, 1.2mhz/2.2mhz, Step-Up DC/DC converters in ThinSOT