Overview
Product Details
Demonstration Circuit 395A is a Low Noise, Charge Pump White LED Driver featuring the LTC3202. The LTC3202 is a fractional charge pump LED driver that operates from 2.7V to 4.5V (3.3V nominal) and provides up to 125mA of LED current. The demo board includes 6 white LEDs in parallel, supplying approximately 20mA of current per LED.
Controls pins D0 and D1 set the values for the internal 2-bit DAC, which allows LED current to be adjusted for LED brightness control.
Applicable Parts
Documentation & Resources
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DC395A - Schematic9/24/2009PDF15K
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DC395A - Demo Manual9/24/2009PDF115K
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DC395A - Design File9/24/2009ZIP434K