Datasheet LT8364 (Analog Devices) - 5

LT8364
TYPICAL PERFORMANCE CHARACTERISTICS FBX Positive Regulation Voltage FBX Negative Regulation Voltage EN/UVLO Pin Thresholds vs Temperature vs Temperature vs Temperature
1.632 –0.780 1.74 VIN = 12V VIN = 12V 1.624 –0.785 1.72 EN/UVLO RISING (TURN–ON) 1.70 1.616 –0.790 1.68 1.608 –0.795 TAGE (V) 1.66 TAGE (V) 1.600 TAGE (V) –0.800 1.64 1.592 –0.805 1.62 EN/UVLO FALLING (TURN–OFF) FBX VOL FBX VOL 1.60 1.584 –0.810 EN/UVLO PIN VOL 1.58 1.576 –0.815 1.56 1.568 –0.820 1.54 –50 –25 0 25 50 75 100 125 150 175 –50 –25 0 25 50 75 100 125 150 175 –50 –25 0 25 50 75 100 125 150 175 JUNCTION TEMPERATURE (°C) JUNCTION TEMPERATURE (°C) JUNCTION TEMPERATURE (°C) 8364 G01 8364 G02 8364 G03
Switching Frequency Normalized Switching Frequency vs Temperature Switching Frequency vs VIN vs FBX Voltage
2.10 2.10 125 VIN = 12V VIN = 12V 2.08 2.08 2.06 2.06 100 2.04 2.04 2.02 2.02 75 2.00 2.00 1.98 1.98 50 1.96 1.96 1.94 SWITCHING FREQUENCY (MHz) 1.94 SWITCHING FREQUENCY (MHz) 25 1.92 1.92 NORMALIZED SWITCHING FREQUENCY (%) 1.90 1.90 0 –50 –25 0 25 50 75 100 125 150 175 0 5 10 15 20 25 30 35 40 45 50 55 60 –0.8 –0.4 0.0 0.4 0.8 1.2 1.6 JUNCTION TEMPERATURE (°C) VIN (V) VOLTAGE (V) 8364 G04 8364 G05 8364 G06
Switch Current Limit Switch Minimum On-Time Switch Minimum Off-Time vs Duty Cycle vs Temperature vs Temperature
6.0 100 100 V V IN = 12V IN = 12V VIN = 12V 5.8 90 90 5.6 80 80 5.4 70 70 5.2 60 60 5.0 50 50 4.8 40 40 4.6 30 30 MINIMUM ON TIME (ns) MINIMUM OFF TIME (ns) SWITCH CURRENT LIMIT (A) 4.4 20 20 4.2 10 10 4.0 0 0 0 10 20 30 40 50 60 70 80 90 100 –50 –25 0 25 50 75 100 125 150 175 –50 –25 0 25 50 75 100 125 150 175 DUTY CYCLE (%) JUNCTION TEMPERATURE (°C) JUNCTION TEMPERATURE (°C) 8364 G07 8364 G08 8364 G09 8364f For more information www.linear.com/LT8364 5 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 TYPICAL APPLICATIONS PACKAGE DESCRIPTION TYPICAL APPLICATION RELATED PARTS