Description
OB3399x High Precision Offline LED Power Switch GENERAL .
OB3399x is a primary side regulation off-line LED lighting power switch which can achieve accurate LED current.
Features
* including Cycle-by-Cycle current limiting, VDD clamp and UVLO. Excellent EMI performance is achieved with On-Bright proprietary frequency shuffling technique. OB3399x is offered in DIP8 package. FEATURES
* High Precise Constant Current Regulation at
Universal AC input
* Primary-side Sensing
Applications
* Low Power AC/DC offline SMPS for
* LED applications
Fig.1. Typical CC/CV Curve
TYPICAL APPLICATION
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Preliminary Datasheet OB_DOC_DS_3399x00
OB3399x
High Precision Offline LED Power Switch
GENERAL INFORMATION
Pin Configuration The pin map is shown as b