4ch White LED Driver Built-in Current Driver Buck-Boost and Boost DC/DC Converter for Automotive

General Description BD81A44EFV-M / BD81A44MUV-M is a white LED driver with the capability of withstanding high input voltage (maximum 35 V). This driver has 4ch constantcurrent drivers in 1-chip, where each channel can draw up to 120 mA (Max), and it is suitable for high illumination LED dri

文件：3.14231 Mbytes 页数：47 Pages

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丝印：BD81A44EFV；Package：HTSSOP-B28；4ch White LED Driver Built-in Current Driver Buck-Boost and Boost DC/DC Converter for Automotive

General Description BD81A44EFV-M / BD81A44MUV-M is a white LED driver with the capability of withstanding high input voltage (maximum 35 V). This driver has 4ch constantcurrent drivers in 1-chip, where each channel can draw up to 120 mA (Max), and it is suitable for high illumination LED dri

文件：3.14231 Mbytes 页数：47 Pages

ROHM

罗姆

4ch White LED Driver with Buck-Boost

文件：1.68937 Mbytes 页数：39 Pages

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4ch升降压型白色LED驱动器

BD81A44EFV-M是35V高耐压的白色LED驱动器。1chip中内置4ch恒电流输出，高达120mA/ch，适合高亮度LED驱动。内置对应升降压电流模式的DC/DC控制器，对于电源电压变动，可实现稳定的动作。可通过PWM输入进行调光控制 (10,000:1) • Integrated Buck-Boost current mode DC/DC controller\n• Integrated 4ch current driver for LED drive\n• 10,000:1 PWM dimming @100Hz\n• External switching frequency synchronization\n• Built-In protection function (UVLO, OVP, OCP, SCP)\n• LED abnormality detection function (Open/Short)\n• Integrated V;

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罗姆

Package：28-VSSOP（0.173"，4.40mm 宽）裸露焊盘；包装：卷带（TR）剪切带（CT）Digi-Reel® 得捷定制卷带 类别：集成电路（IC） LED 驱动器 描述：IC LED DRVR CTRLR PWM 28HTSSOP

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