Datasheet LT3089 (Analog Devices) - 5

LT3089
TYPICAL PERFORMANCE CHARACTERISTICS TJ = 25°C unless otherwise specified. Dropout Voltage Internal Current Limit Internal Current Limit Internal Current Limit Internal Current Limit
1.7 1.50 1.2 VIN = 7V V 1.6 OUT = 0V 1.25 1.0 1.5 I 1.00 0.8 LOAD = 800mA TAGE (V) 1.4 0.75 0.6 1.3 ILOAD = 3mA 0.50 0.4 1.2 CURRENT LIMIT (A) CURRENT LIMIT (A) DROPOUT VOL 1.1 0.25 0.2 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 6 12 18 24 30 36 TEMPERATURE (°C) TEMPERATURE (°C) INPUT–TO–OUTPUT DIFFERENTIAL (V) 3089 G10 3089 G11 3089 G12
Programmable Current Limit Programmable Current Limit Programmable Current Limit Programmable Current Limit Programmable Current Limit Programmable Current Limit
1.0 1.2 1.05 TJ = 25°C RSET = 20k VIN = 7V TJ = 25°C RILIM = 4.53k 1.0 1.00 0.8 VOUT = 0V R R R 0.8 ILIM ILIM ILIM 0.95 1.50k 3.01k 4.53k 0.6 RILIM = 3.01k TAGE (V) 0.6 0.4 0.4 0.4 RILIM = 1.50k OUTPUT VOL 0.2 0.2 0.2 PROGRAMMED CURRENT LIMIT (A) V PROGRAMMED CURRENT LIMIT (A) IN = 7V VOUT = 0V 0 0 0 –75 –50 –25 0 25 50 75 100 125 150 175 0 1 2 3 4 5 6 0 0.25 0.50 0.75 1 TEMPERATURE (°C) RILIM (kΩ) OUTPUT CURRENT (A) 3089 G13 3089 G14 3089 G15
TEMP Pin Current TEMP Pin Current IMON MON Pin Current IMON Pin Line Regulation MON Pin Line Regulation
160 200 25 140 180 160 20 120 140 100 120 15 80 100 60 80 10 PIN CURRENT (µA) PIN CURRENT (µA) 60 TEMP PIN CURRENT (µA) 40 I MON I MON 40 5 20 20 ILOAD = 100mA 0 0 0 –75 –50 –25 0 25 50 75 100 125 150 175 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0 6 12 18 24 30 36 TEMPERATURE (°C) LOAD CURRENT (A) INPUT–TO–OUTPUT DIFFERENTIAL VOLTAGE (V) 3089 G16 3089 G17 3089 G18 3089f For more information www.linear.com/LT3089 5 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