Linear Technology
DC1265A-A - LTC3220EPF Demo Board | 18-LED Boost Charge Pump LED Driver, 2.9V ≤ VIN ≤ 5.5V, VLED up to 5V @ 20mA per LED (DC590 req)
Manual
LTC3220 - Product Info
DC590B - Companion Board
QuikEval System - Software