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MT7605 Datasheet(PDF) 1 Page - Maxic Technology Corporation |
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MT7605 Datasheet(HTML) 1 Page - Maxic Technology Corporation |
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1 / 1 page  MT7605 Segmented, Linear Constant - Current LED Driver Email: sales@maxictech.com www.maxictech.com Rev. 1.20 Tel: 86-10-62662828 Copy right © 2015 Maxic Technology Corporation Page 1 DESCRIPTION MT7605 is a segmented linear constant - current LED driver. It operates in linear mode, according to the segment LED voltage drop automatically turns on different LED string without external settings to simplify the system design. No electrolytic capacitor, Inductor, transformer are needed, low BOM cost is achieved. MT7605 can drive three segment LED strings. When the input voltage varies, it lights up different segment LED strings automatically. In the one AC cycle, the LED light up time increases. This way, both efficiency and power factor improved. The PFC is as high as 0.99, THD can be less than 15%. With Maxic ’s proprietary current regulation method, MT7605 achieves ±3% accuracy of LED current. In addition, each segment of LED current can be set differently by individual sense resistors. FEATURES Segmented linear constant - current LED driver Turns on different segment LED strings automatically based on LED voltage drop Each segment LED current can be flexibly setting with external sense resistor High precision constant LED current (±3%) Peak LED current: 60mA Highest PFC is 0.99, THD is less than 15% Over temperature protection Lower output current gradually at high temperature Built-in power MOSFET simplifies peripheral design Available in ESOP8 package APPLICATION LED fluorescent light, panel light LED bulb light, decorative light Other compact LED Lighting Product Typical Application Circuit LED1 R0 R2 CAP VCC D1 CS1 CS2 CS3 D3 D2 6 5 8 7 1 2 3 4 MT7605 C0 C1 R3 Vin_ac LED2 LED3 R1 GND |
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