LT3518HUF#PBF , LED Driver IC 1 Output DC DC Regulator Step-Down (Buck), Step-Up (Boost) Analog, PWM Dimming 2.3A (Switch) 16-QFN (4x4). we specialize in Linear Technology LT3518HUF#PBF electronic components. LT3518HUF#PBF can be shipped within 24 hours after order.