FAN5617 — High-Efficiency, Constant-Current LED Driver with TinyWireTM Brightness Control
April 2007
FAN5617
High-Efficiency, Constant-Current LED Driver with TinyWire™ Brightness Control
Features Three-Channel Parallel LED Driver for a Large Range
of Forward
Voltages
Description
External Resistor Sets Maximum (100%) LED Current 2.
7V to 5.
5V Input
Voltage Range 1MHz Operating Frequency Shutdown Isolates Output from Input, Typically 1µA 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 ...