Datasheet LT3050 (Analog Devices) - 7

LT3050 Series
TYPICAL PERFORMANCE CHARACTERISTICS TJ = 25°C, unless otherwise noted. GND Pin Current LT3050-5 GND Pin Current vs ILOAD SHDN Pin Threshold
2.50 5.0 1.5 VIN = 5.6V 1.4 IL = 1mA 2.25 4.5 VOUT = 5V 1.3 2.00 RL = 50Ω, IL = 100mA 4.0 1.2 1.1 1.75 3.5 1.0 1.50 3.0 0.9 0.8 1.25 2.5 0.7 R OFF TO ON 1.00 L = 100Ω, IL = 50mA 2.0 0.6 PIN THRESHOLD (V) 0.5 ON TO OFF 0.75 1.5 GND PIN CURRENT (mA) R GND PIN CURRENT (mA) 0.4 L = 5k, IL = 1mA SHDN 0.50 1.0 0.3 R 0.2 0.25 L = 500Ω, IL = 10mA 0.5 0.1 0 0 0 0 1 2 3 4 5 6 7 8 9 10 11 12 0 10 20 30 40 50 60 70 80 90 100 –75 –50 –25 0 25 50 75 100 125 150 175 INPUT VOLTAGE (V) ILOAD (mA) TEMPERATURE (°C) 3050 G07 3050 G08 3050 G09
SHDN Pin Input Current SHDN Pin Input Current ADJ Pin Bias Current
3.0 2.0 50 VSHDN = 45V 1.8 45 2.5 1.6 40 1.4 35 2.0 1.2 30 1.5 1.0 25 0.8 20 1.0 PIN INPUT CURRENT (μA) PIN INPUT CURRENT (μA) 0.6 15 SHDN 0.4 ADJ PIN BIAS CURRENT (nA) 10 0.5 SHDN 0.2 5 0 0 0 –75 –50 –25 0 25 50 75 100 125 150 175 0 10 20 30 40 50 –75 –50 –25 0 25 50 75 100 125 150 175 TEMPERATURE (°C) SHDN PIN VOLTAGE (V) TEMPERATURE (°C) 3050 G10 3050 G11 3050 G12
Internal Current Limit Internal Current Limit Internal Current Limit vs Output Voltage
350 250 225 VIN = 12V VIN – VOUT(NOMINAL) = 1V V 225 200 300 OUT = 0V 200 175 250 175 150 150 200 125 125 150 100 100 75 CURRENT LIMIT (mA) 100 CURRENT LIMIT (mA) 75 CURRENT LIMIT (mA) TJ = 125°C TJ = 125°C 50 50 TJ = 25°C CURRENT LIMIT TJ = 25°C CURRENT LIMIT 50 25 TJ = –40°C AT FAULT 25 TJ = –40°C AT FAULT TJ = –55°C THRESHOLD TJ = –55°C THRESHOLD 0 0 0 –75 –50 –25 0 25 50 75 100 125 150 175 0 5 10 15 20 25 30 35 40 45 0 5 10 15 20 25 30 35 40 45 TEMPERATURE (°C) INPUT/OUTPUT DIFFERENTIAL (V) OUTPUT VOLTAGE (V) 3050 G13 3050 G14 3050 G15 3050fa 7 Document Outline FEATURES DESCRIPTION APPLICATIONS TYPICAL APPLICATION ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION ORDER INFORMATION ELECTRICAL CHARACTERISTICS TYPICAL PERFORMANCE CHARACTERISTICS PIN FUNCTIONS BLOCK DIAGRAM OPERATION APPLICATIONS INFORMATION PACKAGE DESCRIPTION REVISION HISTORY TYPICAL APPLICATION RELATED PARTS