This part is a kind of semiconductor called BIT3252A.

Function of this product has Low Cost PWM Controller.

Manufacturers : Beyond Innovation Technology

Image and pinout :

Some of the text within the PDF file :

Beyond Innovation Technology Co., Ltd. BIT3252A BIT3252A Low Cost PWM Controller built in 55V NMOS Version: A2 Please read the notice stated in this preamble carefully before accessing any contents of the document attached. Admission of BiTEK’s statement therein is p碩re頡su科me技d oBncieTtEheK document is released to the receiver. 管 May 16, 2007 制 DCC CONTROLLED 2007/04/26 Confidential, for authorized user only page 1 of 8 DOC NO.W-DS-0002 Beyond Innovation Technology Co., Ltd. BIT3252A Notice: Firstly, the information furnished by Beyond Innovation Technology Co. Ltd. (BiTEK) in this document is believed to be accurate and reliable and subject to BiTEK’s amendment without prior notice. And the aforesaid information does not form any part or parts of any quotatio [ ... ]

BIT3252A PDF Datasheet Download