MCP19124 Datasheet, PDF (217/236 Pages) Microchip Technology – Digitally-Enhanced Power Analog Synchronous Low-Side Dual-Loop PWM Controller

32.0 PACKAGING INFORMATION
32.1 Package Marking Information
24-Lead QFN (4x4x0.9 mm) (MCP19124 only)
XXXXXXXXXXX
YNYNWNW
28-Lead QFN (5x5x0.9 mm) (MCP19125 only)
XXXXXXXXXXXXXX
MCP19124/5
Example
19124
E/MJ^e^3
1620
256
Example
19125
E/MQ^e^3
Legend:
XX...X
Y
YY
WW
NNN
e3
*
Customer-specific information
Year code (last digit of calendar year)
Year code (last 2 digits of calendar year)
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.
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.
 2016 Microchip Technology Inc.
DS20005619A-page 217