IS31BL3506B-TTLS2-TR , LED Driver IC 1 Output DC DC Regulator Step-Up (Boost) Analog, PWM Dimming 2.2A (Switch) TSOT-23-6. we specialize in Integrated Silicon Solution, Inc. (ISSI) IS31BL3506B-TTLS2-TR electronic components. IS31BL3506B-TTLS2-TR can be shipped within 24 hours after order.