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OB3330 Datasheet

PSR LED Controller

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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:
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http://www.on-bright.com/cn/products/products_OB3330.htm
2013-03-04
Free Datasheet http://www.datasheet4u.com/
On-Bright
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