TFA9891UK/N1AZ
49-UFBGA, WLCSP
55034863-TFA9891UK/N1AZ
TFA9891UK - 9.5 V boosted audio
The operating temperature is the range of ambient temperature within which a power supply, or any other electrical equipment, operate in. This ranges from a minimum operating temperature, to a peak or maximum operating temperature, outside which, the power supply may fail.