This part is a kind of semiconductor called TEA1507P.

Function of this product has GreenChipII SMPS control IC.

Manufacturers : NXP

Image and pinout :

Some of the text within the PDF file :

INTEGRATED CIRCUITS DATA SHEET TEA1507 GreenChip™II SMPS control IC Preliminary specification File under Integrated Circuits, IC11 2000 Dec 05 Philips Semiconductors Preliminary specification GreenChip™II SMPS control IC FEATURES Distinctive features • Universal mains supply operation (70 to 276 V AC) • High level of integration, giving a very low external component count. Green features • Valley/zero voltage switching for minimum switching losses • Efficient quasi-resonant operation at high power levels • Frequency reduction at low power standby for improved system efficiency (<3 W) • Burst mode operation for very low standby levels (<1 W) • On-chip start-up current source. Protection features • Safe restart mode for system fault conditions • Continuous mode p [ ... ]

TEA1507P PDF Datasheet Download