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2a155d Datasheet [UPDATED]
Combines multiple control functions into a single chip to reduce external component count and simplify circuit design.
. It is widely used in compact switch-mode power supplies (SMPS) for devices like battery chargers, power adapters, and small home appliances. Core Functionality 2a155d datasheet
Includes an "Auto Standby" function where input power can drop below 25mW at no load, making it ideal for energy-efficient designs. Combines multiple control functions into a single chip