This part is a kind of semiconductor called 39A108.

Function of this product has MB39A108.

Manufacturers : Fujitsu Media Devices

Image and pinout :

Some of the text within the PDF file :

FUJITSU SEMICONDUCTOR DATA SHEET DS04-27237-2E ASSP for Power Supply Applications (DC/DC converter for DSC/camcorder) 5 ch DC/DC Converter IC with Synchronous Rectification MB39A108 ■ DESCRIPTION The MB39A108 is 5-channel DC/DC converter IC using pulse width modulation (PWM), and is suitable for up conversion, down conversion, and up/down conversion. The MB39A108 is built in 5 channels into TSSOP-38P/ BCC-40P package and operates at 2 MHz maximum. Each channel can be controlled with soft-start. The MB39A108 is suitable for power supply of high performance portable instruments such as DSC. ■ FEATURES • Supports for down-conversion with synchronous rectification (CH1) • Supports for down-conversion and up/down Zeta conversion (CH2, CH3) • Supports for up-conversion and up/down [ ... ]

39A108 PDF Datasheet Download