Datasheet LTC3803-3 (Analog Devices) - 5

LTC3803-3
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C unless otherwise noted. Start-Up ICC Supply Current ITH/RUN Shutdown Threshold ITH/RUN Start-Up Current Source vs Temperature vs Temperature vs Temperature
90 450 800 VCC = VTURNON – 0.1V VCC = VTURNON + 0.1V 80 VITH/RUN = 0V 400 700 70 600 350 60 500 50 300 400 40 250 300 30 200 200 20 SHUTDOWN THRESHOLD (mV) /RUN PIN CURRENT SOURCE (nA) START-UP SUPPLY CURRENT (μA) 150 10 I TH 100 0 100 0 –60 –30 0 30 60 90 120 150 –60 –30 0 30 60 90 120 150 –60 –30 0 30 60 90 120 150 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 38033 G10 38033 G11 38033 G12
Peak Current Sense Voltage vs Temperature Soft-Start Time vs Temperature
120 V 4.0 CC = 8V 115 3.5 110 3.0 105 2.5 100 2.0 95 1.5 SENSE PIN VOLTAGE (mV) 90 SOFT-START TIME (ms) 1.0 85 0.5 80 0 –60 –30 0 30 60 90 120 150 –60 –30 0 30 60 90 120 150 TEMPERATURE (°C) TEMPERATURE (°C) 38033 G13 38033 G14 38033fd 5 Document Outline FEATURES DESCRIPTION APPLICATIONS TYPICAL APPLICATION ABSOLUTE MAXIMUM RATINGS PACKAGE/ORDER INFORMATION ORDER INFORMATION ELECTRICAL CHARACTERISTICS TYPICAL PERFORMANCE CHARACTERISTICS PIN FUNCTIONS BLOCK DIAGRAM OPERATION APPLICATIONS INFORMATION TYPICAL APPLICATIONS PACKAGE DESCRIPTION REVISION HISTORY TYPICAL APPLICATION RELATED PARTS