Datasheet LTC3611 (Analog Devices) - 6

LTC3611 typicAl perForMAnce chArActeristics
Maximum Valley Current Limit Maximum Valley Current Limit On-Time vs Temperature vs VRNG Voltage vs RUN/SS Voltage
300 20 18 IION = 30µA FIGURE 6 CIRCUIT VVON = 0V 250 15 200 15 12 150 9 ON-TIME (ns) ALLEY CURRENT LIMIT (A) ALLEY CURRENT LIMIT (A) 100 10 6 50 3 MAXIMUM V MAXIMUM V 0 5 0 –50 –25 0 25 50 75 100 125 0.5 0.6 0.7 0.8 0.9 1 1.65 1.9 2.15 2.4 2.65 2.9 3.15 3.4 TEMPERATURE (°C) VRNG VOLTAGE (V) RUN/SS VOLTAGE (V) 3611 G13 3611 G15 3611 G16
Maximum Valley Current Limit Input Voltage vs Maximum Maximum Valley Current Limit vs Temperature Valley Current in Foldback
20 18 20 VRNG = 1V VRNG = 1V 16 15 15 14 12 10 10 ALLEY CURRENT (A) 10 ALLEY CURRENT LIMIT (A) ALLEY CURRENT LIMIT (A) 5 8 5 MAXIMUM V 6 MAXIMUM V MAXIMUM V 0 4 0 –50 –25 0 25 50 75 100 125 4 8 12 16 20 24 28 32 36 0 0.1 0.2 0.3 0.4 0.5 0.6 TEMPERATURE (°C) INPUT VOLTAGE (V) VFB (V) 3611 G17 3611 G27 3611 G14
Feedback Reference Voltage vs Temperature Error Amplifier gm vs Temperature
0.62 2.0 1.8 0.61 1.6 0.60 (mS) g m 1.4 0.59 1.2 FEEDBACK REFERENCE VOLTAGE (V) 0.58 1.0 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) 3611 G18 3611 G19 3611fd Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration order information Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts