
ETC
[BPS]
Description
The BP3125 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 extremely suitable for flyback convertor under universal input, the output power of system should be less than 12W.
FEATUREs
◆ Built-in 600V Power MOSFET
◆ Constant current control without secondary sense
and feedback circuit.
◆ ±3% LED current accuracy
◆ Ultra low operating current to improve efficiency
◆ High resistance feedback resistor to improve
efficiency
◆ Universal input voltage
◆ LED short and open circuit protection
◆ VCC under-voltage protection
◆ Feedback loop short circuit protection
◆ Current sense resistor open circuit protection
◆ Over temperature protection
◆ No external loop compensation component
required
◆ Available in DIP-8 package
APPLICATIONs
◆ GU10/E27 LED bulb, spot light
◆ Other LED lighting