BPS BP3105
BP3105 is a high precision primary side regulation (PSR) controller designed for high brightness LED driver. It’s extremely suitable to be used in flyback converter operating in worldwide voltage range. The patented control method dramatically saves the system cost and size by eliminating all secondary feedback circuitry and loop control compensation circuitry.| Part No. | BP3105 |
|---|---|
| Datasheet | BP3105 Download |
| Manufacturer |  BPS |
| Description | High Precision PSR CC LED driver controller |
| Buy | Stock & Price |
DESCRIPTION
BP3105 works in discontinuous inductive current mode. This control method also achieves excellent line and load regulation. BP3105 integrates high precision current sense circuitry, which achieves ±3% LED current accuracy. BP3105 offers rich protection features including LED short/open circuit protection, over-temperature protection, under-voltage lockout, VCC over voltage protection. BP3105 is assembled in tiny SOT23-5 package.FEATURES
● PSR constant current (CC) control，no secondary feedback circuit required● ±3% LED current accuracy
● Tiny SOT23-5 packagez
● Ultra low operating current to improve efficiency
● Low power consumption on FB resistor network
● World wide voltage range
● LED short/open circuit protection
● VCC over voltage protection
● Current sense resistor open circuit protection
● Over temperature protection
● No external loop compensation required
APPLICATIONS
● GU10/E27 LED bulb, spot light● LED PAR30/PAR38, down light
● LED tube light
● Other LED lighting Typical Application Figure 1 typical application circuit BP3105_DS_V0.2 Nov.2010 Page 1 Pin Configuration Pin
DESCRIPTION
Pin No.
