LT1931AIS5#PBF Linear Regulator, -34V Output, 2.5A, TSOT Package
IC REG CUK INV ADJ 1A TSOT23-5
RF ANT 2.4GHZ/4.9GHZ WHIP TILT
LT1931 - 1.2MHz/2.2MHz Inverting DC/DC Converters in ThinSOT; Package: SOT; Pins: 5; Temperature Range: -40°C to 85°C