Tape & Reel (TR) cases are used for delivery. The Liner regulator IC is packaged in TO-263-6, D2Pak (5 Leads + Tab), TO-263BA case. Variations are made to the Surface Mount operating temperature range by the Voltage Regulator IC.
CS5253B-8GDPR5G Features
CS5253B-8GDPR5G Applications
There are a lot of Rochester Electronics, LLC CS5253B-8GDPR5G Linear Voltage Regulators applications.