This part is a kind of semiconductor called SSC9522S.

Function of this product has The present specifications shall apply to a Monolithic IC.

Manufacturers : Sanken

Image and pinout :

Some of the text within the PDF file :

SSC9522S SANKEN ELECTRIC CO., LTD SSC9522S Scope IC SSC9522S The present specifications shall apply to a Monolithic IC type SSC9522S for switching regulators. Outline Type Structure Applications (Ta=25 ) Absolute maximum ratings (Ta=25 ) IC Monolithic IC Plastic mold package (Transfer mold) Switching regulator Parameter Vsen Vsen terminal voltage Terminal Symbol 1 -4 Vsen Ratings Unit Note 0.3 VReg V Input voltage for control part FB FB terminal voltage Css Css terminal voltage RC RC terminal voltage 2 - 4 VCC 3 - 4 VFB 5 - 4 VCss 7 - 4 VRC 0.3 35 0.3 10 0.3 12 66 V V V V RV RV terminal current 9 - 4 IRV OC OC terminal voltage VGL VGL terminal voltage Reg Reg terminal source current VB VS Voltage between VB and VS terminal VS VS terminal voltage VGH VGH terminal voltage [ ... ]

SSC9522S PDF Datasheet Download