Part number : OB3330
Functions : High PF, High CC, PSR LED Controller
Package information : SOP 8 Pin
Manufacturer : On-Bright ( http://www.on-bright.com )
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Product Information
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.
Pinout
Features
1. Primary-Side Control with Single Stage PFC Topology (PF>0.9)
2. High Current Accuracy
3. Analog Multiplier for High Power Factor Correction
4. Transition Mode (TM) Operation to Achieve High Efficiency
5. Eliminate Opto-coupler and TL431 to Reduce BOM Count
6. Ultra-low Start-up Current and Operating Current
7. Soft-start function
8. Cycle-by-Cycle Current Limiting (OCP)
9. Selectable Threshold of OCP
10. VCC Under Voltage Lockout (UVLO)
11. VCC Over Voltage Protection
12. Output Over Voltage Protection
13. Over-temperature Protection
14. LED Open and Short Circuit Protection
15. Available in SOP8 package, RoHS compliant
OB3330 Datasheet PDF Download
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