Overview
KA7553A is listed in the IC category. Available datasheets include documents from Fairchild Semiconductor, ON Semiconductor.
Summary
SMPS Controller
Description
The KA7552A/KA7553A are switching power control IC for wide operating frequency range. The internal circuits include pulse by pulse current limiting, protection, on/off control by external trigger, low standby current, soft start, and high current totempole output for driving a POWER
Source title
KA7553A Datasheet(PDF) - Fairchild Semiconductor