MCP1640_13 Datasheet, PDF (21/32 Pages) Microchip Technology – 0.65V START-UP SYNCHRONOUS BOOST REGULATOR WITH TRUE OUTPUT DISCONNECT OR INPUT/OUTPUT BYPASS OPTION

7.0 PACKAGING INFORMATION
7.1 Package Marking Information (Not to Scale)
6-Lead SOT-23
XXNN
MCP1640/B/C/D
Example
BZNN
MCP1640
MCP1640B
8-Lead DFN
XXX
YWW
NN
Package Marking
BZNN
BWNN
MCP1640C
MCP1640D
BXNN
BYNN
Example
AHM
945
25
MCP1640
MCP1640C
Package Marking
AHM
AHP
MCP1640C
MCP1640D
AHQ
AHR
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.
 2011 Microchip Technology Inc.
DS22234B-page 21