OB2212中文资料Primary Side Regulation PWM Power Switch数据手册OB规格书

描述 Description

OB221X series are offline PWM power switch ICs. They are designed for primary side regulation with minimum overall system cost by removing X/Y caps, Photo-coupler and TL431. They include an internal error amplifier to delivery high performance CC/CV control. OB2211/OB2212 is highly recommended for cost effective compact designs in low power adapter and battery charger applications.

特性 Features

·Primary side sensing and regulation eliminates TL431 and photo-coupler
·External adjustable gate drive capability
·Enable no-X and no-Y system design
·Low system cost
·Built-in error amplifier for CV/CC operation
·External adjustable CC operation
·Low standby power
·Frequency shuffling reduces EMI
·Available in DIP8 and SOP8 packages, RoHS compliant

应用 Application

·CC/CV Battery Charger
· Cell/Cordless Phone Charger
· Digital Camera Charger
· PDA Charger
· Small Power Adapter
· Auxiliary Power for PC, TV etc.
· Linear Regulator/RCC Replacement