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BP3105 数据表(PDF) 1 Page - Bright Power Semiconductor Co., Ltd. |
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BP3105 数据表(HTML) 1 Page - Bright Power Semiconductor Co., Ltd. |
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1 / 2 page  BP3105 High Precision PSR Constant Current LED Driver BP3105_EN_DS_Rev.1.2 www.bpsemi.com 1 Bright Power Semiconductor Co. Confidential – Customer Use Only Description The BP3105 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 buckboost/flyback convertor under universal input. 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. The low component counts and low BOM cost are realized. Since using the proprietary high accurate current sense method, the BP3105 realizes ±2% accuracy of LED current along with excellent line regulation and load regulation. The BP3105 offers rich protection functions including LED short circuit protection, LED open circuit protection, die over-temperature protection, VCC over voltage protection, VCC under voltage protection and FB short circuit protection. All the protection features are auto-recovery. Features Constant current control without secondary sense and feedback circuit. ±2% 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 SOT23-5 package Applications GU10/E27 LED bulb, spot light Other LED lighting Typical Application NAUX NP NS BP3105 CS FB GND VCC GATE AC Figure 1. Typical application circuit for BP3105 |
类似零件编号 - BP3105 |
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类似说明 - BP3105 |
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