A Product Line of Diodes Incorporated ZXLD381Absolute Maximum RatingsParameterRatingUnit Supply Voltage (VCC) -0.6 to 10 V Output Voltage (VOUT) -0.6 to 20 V Supply Current 20 mA Output Switch Current 800 mA Power Dissipation SOT23-3 450 mW Power Dissipation Die 1 W Operating Temperature Range 0 to 85 °C Storage Temperature Range -55 to 150 °C Electrical Characteristics Measured at TAMB = 25°C, L = 4.7µH and VCC = 1.5V unless otherwise specified. LimitsParameterConditionsUnitsMinTyp.Max Supply Voltage Operating Range L = 10μH 0.9 2.2 V Minimum Supply Start-up Voltage L = 10μH 0.8 0.9 V Switch Current At turn-off 250 320 400 mA Switch Saturation Voltage IOUT = 200mA 100 300 mV Switch Leakage Current VOUT = 20V 40 70 120 µA Mean LED Current VLED = 3.5V 40 55 70 mA Efficiency VLED = 3.5V 85 % Operating Frequency VLED = 3.5V 350 kHz Discharge Pulse Width 0.7 1.5 2.5 µs