Datasheet LT3759 (Analog Devices) - 6
| Hersteller | Analog Devices |
| Beschreibung | Wide Input Voltage Range Boost/SEPIC/Inverting Controller |
| Seiten / Seite | 32 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. … |
| Dateiformat / Größe | PDF / 450 Kb |
| Dokumentensprache | Englisch |
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. EN/UVLO Threshold. GATE Minimum On- and Off-Times
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LT3759
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. EN/UVLO Threshold GATE Minimum On- and Off-Times EN/UVLO Hysteresis Current vs Temperature vs Temperature vs Temperature
1.27 200 2.4 190 1.25 2.2 180 EN/UVLO RISING MINIMUM 1.23 OFF TIME 170 2.0 1.21 160 EN/UVLO (µA) EN/UVLO FALLING EN/UVLO VOLTAGE (V) 150 MINIMUM 1.8 1.19 MINIMUM ON/OFF TIME (ns) ON TIME 140 1.17 130 1.6 –75 –50 –25 0 25 50 75 100 125 150 –75 –50 –25 0 25 50 75 100 125 150 –75 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3759 G10 3759 G11 3759 G12
INTVCC vs Temperature INTVCC Load Regulation INTVCC Line Regulation
5.0 6.0 5.0 5.5 4.8 DRIVE LDO DRIVE LDO 5.0 DRIVE LDO 4.6 4.5 4.5 (V) 4.4 CC 4.0 4.0 VOLTAGE (V) VOLTAGE (V) V INTV 4.2 IN LDO CC 3.5 V CC IN LDO (DRIVE = 0V) 4.0 INTV INTV 3.0 3.5 VIN LDO 3.8 2.5 3.6 2.0 3.0 –75 –50 –25 0 25 50 75 100 125 150 0 5 10 15 20 25 0 5 10 15 20 25 30 35 40 45 TEMPERATURE (°C) INTVCC LOAD (mA) VIN (V) 3759 G13 3759 G14 3759 G15
INTVCC Dropout Voltage Gate Driver Rise and Fall Time Gate Driver Rise and Fall Time vs Current, Temperature vs CL vs INTVCC
400 70 25 VIN = 12V INTVCC = 4.75V C DRIVE = 4V RISE TIME RISE TIME L = 3300pF 60 20 300 50 150°C FALL TIME FALL TIME 40 15 200 25°C TIME (ns) 30 TIME (ns) 10 –55°C 20 DROPOUT VOLTAGE (mV) 100 5 10 0 0 0 0 5 10 15 20 25 0 3 6 9 12 15 2 2.5 3 3.5 4 4.5 5 INTVCC LOAD (mA) CL (nF) INTCCC (V) 3759 G16 3759 G17 3759 G18 3759fc 6 For more information www.linear.com/3759 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Typical Applications Package Description Revision History Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. EN/UVLO Threshold GATE Minimum On- and Off-Times EN/UVLO Hysteresis Current vs Temperature vs Temperature vs Temperature
1.27 200 2.4 190 1.25 2.2 180 EN/UVLO RISING MINIMUM 1.23 OFF TIME 170 2.0 1.21 160 EN/UVLO (µA) EN/UVLO FALLING EN/UVLO VOLTAGE (V) 150 MINIMUM 1.8 1.19 MINIMUM ON/OFF TIME (ns) ON TIME 140 1.17 130 1.6 –75 –50 –25 0 25 50 75 100 125 150 –75 –50 –25 0 25 50 75 100 125 150 –75 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3759 G10 3759 G11 3759 G12
INTVCC vs Temperature INTVCC Load Regulation INTVCC Line Regulation
5.0 6.0 5.0 5.5 4.8 DRIVE LDO DRIVE LDO 5.0 DRIVE LDO 4.6 4.5 4.5 (V) 4.4 CC 4.0 4.0 VOLTAGE (V) VOLTAGE (V) V INTV 4.2 IN LDO CC 3.5 V CC IN LDO (DRIVE = 0V) 4.0 INTV INTV 3.0 3.5 VIN LDO 3.8 2.5 3.6 2.0 3.0 –75 –50 –25 0 25 50 75 100 125 150 0 5 10 15 20 25 0 5 10 15 20 25 30 35 40 45 TEMPERATURE (°C) INTVCC LOAD (mA) VIN (V) 3759 G13 3759 G14 3759 G15
INTVCC Dropout Voltage Gate Driver Rise and Fall Time Gate Driver Rise and Fall Time vs Current, Temperature vs CL vs INTVCC
400 70 25 VIN = 12V INTVCC = 4.75V C DRIVE = 4V RISE TIME RISE TIME L = 3300pF 60 20 300 50 150°C FALL TIME FALL TIME 40 15 200 25°C TIME (ns) 30 TIME (ns) 10 –55°C 20 DROPOUT VOLTAGE (mV) 100 5 10 0 0 0 0 5 10 15 20 25 0 3 6 9 12 15 2 2.5 3 3.5 4 4.5 5 INTVCC LOAD (mA) CL (nF) INTCCC (V) 3759 G16 3759 G17 3759 G18 3759fc 6 For more information www.linear.com/3759 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Typical Applications Package Description Revision History Related Parts