DC833A - LTC3026EDD | Low VIN, VLDO Linear Regulator, 1.14V ≤ VIN ≤ 5.5V (3.5V Using Internal Boost), Vout = 0.8V/1.2V/1.5V/1.8V/Adj @ 1.5A
Manual LTC3026 - Product Info LTspice - Software