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FAN5617 - Fairchild Semiconductor

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FAN5617 High-Efficiency Constant-Current LED Driver

ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ External Resistor Sets Maximum (100%) LED Current ƒ 2.7V to 5.5V Input Voltage Range ƒ 1MHz Operating Frequency ƒ Shutdown Isolates Output from Input, Typically <1µA ƒ Protections: Short-Circuit; Soft-Start Limits Inrush Current The FAN5617 is a low-ripple, low-EMI, high-efficiency, constant-current LED driver that drives three LEDs in.

Features

ƒ Three-Channel Parallel LED Driver for a Large Range of Forward Voltages Description ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ External Resistor Sets Maximum (100%) LED Current ƒ 2.7V to 5.5V Input Voltage Range ƒ 1MHz Operating Frequency ƒ Shutdown Isolates Output from Input, Typically <1µA ƒ Protections: Short-Circuit; Soft-Start Limits Inrush Current The FAN5617 is a low-ripple, low-EMI, high-efficiency, constant-current LED driver that drives three LEDs in parallel. The LED brightness control is programmable TinyWire™ Single-Wire Digital Brightness Control through Fairchild’s proprietary single-wire digita.

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