OB3330 high pf, high cc, psr led controller OB3330 is a high power factor, primary side regulation led controller with advanced technology to provide high efficiency and high constant current precision control for led lighting applications. OB3330 achieves comprehensive protection feature, low external component count and low ripple current. OB3330 solution can be easily designed and manufactured for high performance led lighting application. features: primary - side control with single stage pfc topology (pf>0.9) high current accuracy analog multiplier for high power factor correction transition mode (tm) operation to achieve high efficiency eliminate opto - coupler and tl431 to reduce bom count ultra - low start - up current and operating current soft - start function cycle - by - cycle current limiting (ocp) selectable threshold of ocp vcc under voltage lockout (uvlo) vcc over voltage protection output over voltage protection over - temperature protection led open and short circuit protection available in sop8 package, rohs compliant applications: led bulb, par, tube led down light, floodlight external led driver module typical application: [ ? ] ? page 1 of 1 on - bright electronics -- brighten your life 2013 - 03 - 04 http://www.on - bright.com/cn/products/products_OB3330.htm unregistered free datasheet http:///
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