XX is nominal output voltage (for example, 28 = 2.8 V).
YYY is the package designator.
Z is tape and reel quantity (R = 3000, T = 250).
(1) For the most current package and ordering information see the Package Option Addendum at the end of this document, or visit the device product folder at www.ti.com.
(2) Output voltages from 1.2 V to 4.8 V in 50-mV increments are available. Contact factory for details and availability.