Datasheet LT8302, LT8302-3 (Analog Devices) - 5

制造商Analog Devices
描述42VIN Micropower No-Opto Isolated Flyback Converter with 65V/3.6A Switch
页数 / 页26 / 5 — TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. …
修订版G
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TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. EN/UVLO Enable Threshold. EN/UVLO Hysteresis Current

TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted EN/UVLO Enable Threshold EN/UVLO Hysteresis Current

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LT8302/LT8302-3
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. EN/UVLO Enable Threshold EN/UVLO Hysteresis Current INTVCC Voltage vs Temperature
1.240 5 3.10 1.235 RISING 3.05 4 1.230 3.00 1.225 3 IINTVCC = 0mA (V) (V) 1.220 (µA) 2.95 IINTVCC = 10mA V EN/UVLO I HYST 1.215 FALLING 2 V INTVCC 2.90 1.210 1 2.85 1.205 1.200 0 2.80 –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) 8302 G10 8302 G11 8302 G12
INTVCC Voltage vs VIN INTVCC UVLO Threshold (RFB-VIN) Voltage
3.10 2.8 40 30 3.05 2.7 IRFB = 125µA 20 3.00 I 2.6 INTVCC = 0mA RISING 10 (V) IRFB = 100µA 2.95 2.5 FALLING 0 I V INTVCC INTVCC = 10mA V INTVCC (V) –10 2.90 2.4 VOLTAGE (mV) –20 IRFB = 75µA 2.85 2.3 –30 2.80 2.2 –40 5 10 15 20 25 30 35 40 45 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 VIN (V) TEMPERATURE (°C) TEMPERATURE (°C) 8302 G13 8302 G14 8302 G15
RREF Regulation Voltage RREF Line Regulation TC Pin Voltage
1.010 1.010 1.5 1.008 1.008 1.4 1.006 1.006 1.3 1.004 1.004 1.002 1.002 1.2 (V) (V) 1.000 1.000 (V) 1.1 V RREF V TC 0.998 V RREF 0.998 1.0 0.996 0.996 0.9 0.994 0.994 0.992 0.992 0.8 0.990 0.990 0.7 –50 –25 0 25 50 75 100 125 150 0 10 20 30 40 50 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) VIN (V) TEMPERATURE (°C) 8302 G16 8302 G17 8302 G18 Rev. G 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 Package Description Revision History Typical Application Related Parts