Datasheet LT3511 (Analog Devices) - 4
| Hersteller | Analog Devices |
| Beschreibung | Monolithic High Voltage Isolated Flyback Converter |
| Seiten / Seite | 26 / 4 — TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. … |
| Dateiformat / Größe | PDF / 265 Kb |
| Dokumentensprache | Englisch |
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. EN/UVLO Pin (Hysteresis) Current
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LT3511
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. EN/UVLO Pin (Hysteresis) Current EN/UVLO Pin Current EN/UVLO Threshold vs Temperature vs VEN/UVLO vs Temperature
5 30 3.0 EN/UVLO = 1.2V 25 2.5 4 20 2.0 3 15 1.5 2 10 1.0 EN/UVLO THRESHOLD (V) EN/UVLO PIN CURRENT (μA) 1 EN/UVLO PIN CURRENT (μA) 5 0.5 0 0 0 –50 –25 0 25 50 75 100 5 2 1 0 5 1 1 20 40 60 80 100 –50 –25 0 25 0 5 75 0 0 1 5 2 1 0 5 1 TEMPERATURE (°C) VEN/UVLO VOLTAGE (V) TEMPERATURE (°C) 3511 G07 3511 G08 3511 G09
Maximum Frequency Minimum Frequency EN/UVLO Shutdown Threshold vs Temperature vs Temperature vs Temperature
1000 100 0.9 0.8 800 80 0.7 0.6 600 60 0.5 0.4 400 40 0.3 EN/UVLO THRESHOLD (V) MAXIMUM FREQUENCY (kHz) 200 MINIMUM FREQUENCY (kHz) 20 0.2 0.1 0 0 0 –50 –25 0 25 50 75 100 5 2 1 0 5 1 –50 –25 0 25 50 75 100 5 2 1 0 5 1 –50 –25 0 25 50 75 100 5 2 1 0 5 1 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3511 G10 3511 G11 3511 G14
Light Load Discontinuous Boundary Mode Waveform Mode Waveform
20V/DIV 20V/DIV 1μs/DIV 3511 G12 2μs/DIV 3511 G13 3511fc 4
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. EN/UVLO Pin (Hysteresis) Current EN/UVLO Pin Current EN/UVLO Threshold vs Temperature vs VEN/UVLO vs Temperature
5 30 3.0 EN/UVLO = 1.2V 25 2.5 4 20 2.0 3 15 1.5 2 10 1.0 EN/UVLO THRESHOLD (V) EN/UVLO PIN CURRENT (μA) 1 EN/UVLO PIN CURRENT (μA) 5 0.5 0 0 0 –50 –25 0 25 50 75 100 5 2 1 0 5 1 1 20 40 60 80 100 –50 –25 0 25 0 5 75 0 0 1 5 2 1 0 5 1 TEMPERATURE (°C) VEN/UVLO VOLTAGE (V) TEMPERATURE (°C) 3511 G07 3511 G08 3511 G09
Maximum Frequency Minimum Frequency EN/UVLO Shutdown Threshold vs Temperature vs Temperature vs Temperature
1000 100 0.9 0.8 800 80 0.7 0.6 600 60 0.5 0.4 400 40 0.3 EN/UVLO THRESHOLD (V) MAXIMUM FREQUENCY (kHz) 200 MINIMUM FREQUENCY (kHz) 20 0.2 0.1 0 0 0 –50 –25 0 25 50 75 100 5 2 1 0 5 1 –50 –25 0 25 50 75 100 5 2 1 0 5 1 –50 –25 0 25 50 75 100 5 2 1 0 5 1 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3511 G10 3511 G11 3511 G14
Light Load Discontinuous Boundary Mode Waveform Mode Waveform
20V/DIV 20V/DIV 1μs/DIV 3511 G12 2μs/DIV 3511 G13 3511fc 4