LT3476
Overview
The LT®3476 is a quad output DC/DC converter designed to operate as a constant-current source for driving high current LEDs. A fixed frequency, current mode architecture results in stable operation over a wide range of supply and output voltages.
- True Color PWMTM Dimming Delivers Up to 5000:1 Dimming Ratio (In Boost Configuration)
- LED Current Regulation with High-Side Sense
- VADJ Pin Accurately Sets LED Current Sense Threshold Over Range 10mV to 120mV
- Four Independent Driver Channels with 1.5A, 36V Internal NPN Switches
- Frequency Adjust Pin: 200kHz to 2MHz
- High Efficiency Conversion = Up to 96%
- Open LED Protection
- Low Shutdown Current < 10µA
- Wide VIN Range: 2.8V to 16V
- Thermally Enhanced, 38-Lead, 5mm × 7mm QFN Package
