This part is a kind of semiconductor called 8632E.
Function of this product has MAX8632E.
Manufacturers : Maxim Integrated Products
Image and pinout :
Some of the text within the PDF file :
19-3623; Rev 0; 3/05 KIT ATION EVALU LE B A IL A AV Integrated DDR Power-Supply Solution for Desktops, Notebooks, and Graphic Cards General Description Features Buck Controller ♦ Quick-PWM with 100ns Load-Step Response ♦ Up to 95% Efficiency ♦ 2V to 28V Input Voltage Range ♦ 1.8V/2.5V Fixed or 0.7V to 5.5V Adjustable Output ♦ Up to 600kHz Selectable Switching Frequency ♦ Programmable Current Limit with Foldback Capability ♦ 1.7ms Digital Soft-Start ♦ Independent Shutdown and Standby Controls ♦ Overvoltage-/Undervoltage-Protection Option ♦ Power-Good Window Comparator LDO Section ♦ Fully Integrated VTT and VTTR Capability ♦ VTT Has ±3A Sourcing/Sinking Capability ♦ Only 20µF Ceramic Capacitance Required for VTT ♦ VTT and VTTR Outputs Trac [ ... ]