Datasheet LT8301 (Analog Devices) - 5
| Fabricante | Analog Devices |
| Descripción | 42VIN Micropower No-Opto Isolated Flyback Converter with 65V/1.2A Switch |
| Páginas / Página | 24 / 5 — TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. … |
| Revisión | B |
| Formato / tamaño de archivo | PDF / 1.4 Mb |
| Idioma del documento | Inglés |
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. EN/UVLO Enable Threshold. EN/UVLO Hysteresis Current
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Versión de texto del documento
LT8301
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. EN/UVLO Enable Threshold EN/UVLO Hysteresis Current RFB Regulation Current
1.245 5 105 1.240 104 4 103 1.235 102 1.230 (V) 3 101 1.225 (µA) (µA) 100 I HYS I RFB V EN/UVLO 1.220 2 99 98 1.215 1 97 1.210 96 1.205 0 95 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 8301 G10 8301 G11 8301 G12
RDS(ON) Switch Current Limit Maximum Switching Frequency
1000 1.6 600 1.4 MAXIMUM CURRENT LIMIT 800 500 1.2 400 600 1.0 (A) ANCE (mΩ) 0.8 300 I SW 400 0.6 RESIST FREQUENCY (kHz) 200 0.4 MINIMUM CURRENT LIMIT 200 100 0.2 0 0 0 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 8301 G13 8301 G14 8301 G15
Minimum Switching Frequency Minimum Switch-On Time Minimum Switch-Off Time
20 500 500 400 400 15 300 300 10 TIME (ns) 200 TIME (ns) 200 FREQUENCY (kHz) 5 100 100 0 0 0 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 8301 G17 8301 G18 8301 G16 Rev. B 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 Revision History Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. EN/UVLO Enable Threshold EN/UVLO Hysteresis Current RFB Regulation Current
1.245 5 105 1.240 104 4 103 1.235 102 1.230 (V) 3 101 1.225 (µA) (µA) 100 I HYS I RFB V EN/UVLO 1.220 2 99 98 1.215 1 97 1.210 96 1.205 0 95 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 8301 G10 8301 G11 8301 G12
RDS(ON) Switch Current Limit Maximum Switching Frequency
1000 1.6 600 1.4 MAXIMUM CURRENT LIMIT 800 500 1.2 400 600 1.0 (A) ANCE (mΩ) 0.8 300 I SW 400 0.6 RESIST FREQUENCY (kHz) 200 0.4 MINIMUM CURRENT LIMIT 200 100 0.2 0 0 0 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 8301 G13 8301 G14 8301 G15
Minimum Switching Frequency Minimum Switch-On Time Minimum Switch-Off Time
20 500 500 400 400 15 300 300 10 TIME (ns) 200 TIME (ns) 200 FREQUENCY (kHz) 5 100 100 0 0 0 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 8301 G17 8301 G18 8301 G16 Rev. B 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 Revision History Typical Application Related Parts