Part Number: BP3122
Function: High Precision PSR Constant Current LED Driver
Package: SOP 8 Pin type
Manufacturer: Bright Power Semiconductor ( http://www.bpsemi.com/ )
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Description
The BP3122 is a high precision primary-side feedback and regulation controller for LED lighting, it operates in constant current control mode and is designed to work in inductor current discontinuous conduction mode and especially suitable for flyback convertor under universal input. The output power of system is recommended to less than 5W.
Pinout
Features
1. Built-in 650V Power MOSFET
2. Constant current control without secondary sense and feedback circuit.
3. No Auxiliary winding for sensing and supplying
4. Ultra low operating current to improve efficiency
5. Universal input voltage
6. ±5% LED current accuracy
7. LED short and open circuit protection
8. CS resistor short circuit protection
9. VCC under-voltage protection
10. Over temperature protection
Application Circuit
