Datasheet LT8365 (Analog Devices) - 5
| Fabricante | Analog Devices |
| Descripción | Low IQ Boost/SEPIC/Inverting Converter with 1.5A, 150V Switch |
| Páginas / Página | 28 / 5 — TYPICAL PERFORMANCE CHARACTERISTICS. FBX Positive Regulation Voltage. FBX … |
| Formato / tamaño de archivo | PDF / 2.3 Mb |
| Idioma del documento | Inglés |
TYPICAL PERFORMANCE CHARACTERISTICS. FBX Positive Regulation Voltage. FBX Negative Regulation Voltage. EN/UVLO Pin Thresholds
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LT8365
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 1.70 EN/UVLO RISING (TURN–ON) 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) 8365 G01 8365 G02 8365 G03
Switching Frequency Normalized Switching Frequency vs Temperature Switching Frequency vs VIN vs FBX Voltage
420 420 125 VIN = 12V 416 416 412 412 100 408 408 404 404 75 400 400 396 396 50 392 392 SWITCHING FREQUENCY (kHz) 388 SWITCHING FREQUENCY (kHz) 388 25 384 384 NORMALIZED SWITCHING FREQUENCY (%) 380 380 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) V VOLTAGE (V) IN (V) 8365 G04 8365 G05 8365 G06
Switch Current Limit Switch Current Limit Switch Minimum On-Time Switch Minimum Off-Time Switch Minimum Off–Time vs Duty Cycle vs Temperature vs Temperature vs T
2.5 150 130 2.4 120 140 110 2.3 130 100 2.2 120 90 2.1 80 110 70 2.0 100 60 1.9 90 50 1.8 80 40 MINIMUM ON TIME (ns) MINIMUM OFF TIME (ns) SWITCH CURRENT LIMIT (A) 1.7 30 70 20 1.6 60 10 1.5 50 0 0 20 40 60 80 100 –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) 8365 G07 8365 G08 8365 G09 Rev. 0 For more information www.analog.com 5 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Typical Application Related Parts
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 1.70 EN/UVLO RISING (TURN–ON) 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) 8365 G01 8365 G02 8365 G03
Switching Frequency Normalized Switching Frequency vs Temperature Switching Frequency vs VIN vs FBX Voltage
420 420 125 VIN = 12V 416 416 412 412 100 408 408 404 404 75 400 400 396 396 50 392 392 SWITCHING FREQUENCY (kHz) 388 SWITCHING FREQUENCY (kHz) 388 25 384 384 NORMALIZED SWITCHING FREQUENCY (%) 380 380 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) V VOLTAGE (V) IN (V) 8365 G04 8365 G05 8365 G06
Switch Current Limit Switch Current Limit Switch Minimum On-Time Switch Minimum Off-Time Switch Minimum Off–Time vs Duty Cycle vs Temperature vs Temperature vs T
2.5 150 130 2.4 120 140 110 2.3 130 100 2.2 120 90 2.1 80 110 70 2.0 100 60 1.9 90 50 1.8 80 40 MINIMUM ON TIME (ns) MINIMUM OFF TIME (ns) SWITCH CURRENT LIMIT (A) 1.7 30 70 20 1.6 60 10 1.5 50 0 0 20 40 60 80 100 –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) 8365 G07 8365 G08 8365 G09 Rev. 0 For more information www.analog.com 5 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Typical Application Related Parts