The MCP1252 and MCP1253 are Flyback Switching Regulators from Microchip. Both come in an MSOP8 package and are rated for 120mA.
The MCP1252 is a 650KHz switching regulator, whereas the MCP1253 is a 1MHz version.
File:MSOP8.png 8-Lead Plastic Micro Small Outline Package
Microchip Part #: MCP1253-ADJI/MS
MCP1252-33X50 (MSOP8 SMD Package)
MCP1252-ADJ (MSOP8 SMD Package)
MCP1253-33X50 (MSOP8 SMD Package)
MCP1253-ADJ (MSOP8 SMD Package)
Digikey part # : MCP1253-ADJI/MS-ND
Single Piece Price : $2.20
Original Creator: --Nathan Schulte 09:06, 5 September 2006 (CST)