Datasheet LT3066 (Analog Devices) - 7

LT3066 Series
TYPICAL PERFORMANCE CHARACTERISTICS TJ = 25°C, unless otherwise noted. ADJ Pin Bias Current Internal Current Limit Internal Current Limit
50 1.5 1.0 1.4 V T 45 IN = 6V J = –55°C 0.9 1.3 VOUT = 0V TJ = –40°C 40 1.2 T 0.8 J = 25°C 1.1 TJ = 125°C 35 0.7 1.0 TJ = 150°C 30 0.9 0.6 0.8 25 0.5 0.7 20 0.6 0.4 CURRENT LIMIT (A) 0.5 CURRENT LIMIT (A) ADJ PIN CURRENT (nA) 15 0.3 0.4 10 0.3 0.2 0.2 5 0.1 0.1 0 0 0 –75 –50 –25 0 25 50 75 100 125 150 175 –75 –50 –25 0 25 50 75 100 125 150 175 0 5 10 15 20 25 30 35 40 45 50 TEMPERATURE (°C) TEMPERATURE (°C) INPUT/OUTPUT DIFFERENTIAL (V) 3066 G17 3066 G18 3066 G19
Output Discharge Pull-Down Output Discharge Time Output Discharge Time Threshold Pulldown Threshold
4.0 4.0 1.0 T = –55°C COUT = 4.7µF T = –55°C VIN = 4.3V VIN = 3.6V T = –40°C V 3.5 IN = VOUT + 1V 3.5 T = –40°C V 0.9 OUT(NOMINAL) = 3.3V T = 25°C T = 25°C T = 125°C 0.8 3.0 3.0 T = 125°C T = 150°C T = 155°C 0.7 2.5 2.5 PULL-DOWN OFF 0.6 TAGE (V) OUTPUT DISCHARGE 2.0 FOLDBACK STARTS 2.0 0.5 PULL-DOWN ON 1.5 1.5 PIN VOL 0.4 0.3 1.0 1.0 SHDN OUTPUT DISCHARGE TIME (ms) OUTPUT DISCHARGE TIME (ms) 0.2 0.5 0.5 0.1 0 0 0 0 2 4 6 8 10 12 14 16 18 20 0 2 4 6 8 10 12 14 16 18 20 22 24 –75 –50 –25 0 25 50 75 100 125 150 175 OUTPUT VOLTAGE (V) OUTPUT CAPACITANCE (µF) TEMPERATURE (°C) 3066 G20 LT3066 G21 3066 G22
Output Discharge vs VOUT Output Discharge vs VOUT CREF/BYP = 1nF CREF/BYP = 1nF
5.0V 20V 3.3V 19V 15V 1V/DIV 2.0V 5V/DIV 12V 1.2V 8V 5V 0V SHDN: 0 TO 2V SHDN: 0 TO 2V 3066 G23 1ms/DIV V 3066 G24 1ms/DIV IN = VOUT +1V COUT = 10µF VIN = VOUT +1V IFB-DIVIDER = 10µA COUT = 10µF IFB-DIVIDER = 10µA Rev. B For more information www.analog.com 7 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Typical Applications Package Description Revision History Typical Application Related Parts