MIC2128 Datasheet, PDF (27/32 Pages) Microchip Technology – 75V, Synchronous Buck Controller Featuring Adaptive On-Time Control with External Soft Start

7.0 PACKAGING INFORMATION
7.1 Package Marking Information
16-Pin QFN (3 x 3 mm)
WWNNN
MIC2128
Example
Legend:
XX...X
WW
NNN
e3
*
Customer-specific information
Week code (week of January 1 is week ‘01’)
Alphanumeric traceability code
Pb-free JEDEC designator for Matte Tin (Sn)
This package is Pb-free. The Pb-free JEDEC designator ( e3)
can be found on the outer packaging for this package.
●, ▲, ▼ Pin one index is identified by a dot, delta up, or delta down (triangle
mark).
Note:
In the event the full Microchip part number cannot be marked on one line, it will
be carried over to the next line, thus limiting the number of available
characters for customer-specific information. Package may or may not include
the corporate logo.
Underbar (_) symbol may not be to scale.
 2016 Microchip Technology Inc.
DS20005620A-page 27