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BP3135

BPS
Part Number BP3135
Manufacturer BPS
Description High Precision PSR Constant Current LED Driver
Published May 11, 2016
Detailed Description BP3135 High Precision PSR Constant Current LED Driver Description The BP3135 is a high precision primary-side feedback ...
Datasheet PDF File BP3135 PDF File

BP3135
BP3135

Overview
BP3135 High Precision PSR Constant Current LED Driver Description The BP3135 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 7W.
The BP3135 integrates 650V power MOSFET.
Since adopting primary sense and feedback control technology, the secondary sense and feedback circuit is eliminated.
The loop compensation components are also removed while maintaining stability overall operating conditions.
It uses patent pending source driver architecture and demagnetization sensing technology, the operating current is very low, and it doesn’t need the auxiliary winding for sensing the output current and supplying the chip.
The low component counts and small system size are realized.
Since using the proprietary high accurate current sense method, the BP3135 realizes ±5% accuracy of LED current along with excellent line and load regulation.
The BP3135 offers rich protection functions including LED open/short circuit protection, CS resistor short circuit protection, thermal regulation, VCC under voltage protection.
Typical Application Features  Built-in 650V Power MOSFET  Constant current control without secondary sense and feedback circuit.
 No Auxiliary winding for sensing and supplying  Ultra low operating current to improve efficiency  Universal input voltage  ±5% LED current accuracy  LED short and open circuit protection  CS resistor short circuit protection  VCC under-voltage protection  Thermal regulation  Available in SOP-8 package Applications  GU10/E27 LED bulb, spot light  Other LED lighting NP NS AC BP3135 4 VCC NC 8 2 ROVP NC 7 1 CS DRAIN 6 3 GND DRAIN 5 Figure 1.
Typical application circuit for BP3135 BP3135_EN_DS_Rev.
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