Datasheet LT3959 (Analog Devices) - 6
| Fabricante | Analog Devices |
| Descripción | Wide Input Voltage Range Boost/SEPIC/Inverting Converter with 6A, 40V Switch |
| Páginas / Página | 26 / 6 — Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. … |
| Formato / tamaño de archivo | PDF / 341 Kb |
| Idioma del documento | Inglés |
Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. EN/UVLO Threshold. SW Minimum On- and Off-Times
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LT3959
Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. EN/UVLO Threshold SW 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 FALLING EN/UVLO (µA) EN/UVLO VOLTAGE (V) 150 MINIMUM 1.8 1.19 MINIMUM ON/OFF TIME (ns) ON TIME 140 1.17 130 1.6 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3959 G10 3959 G11 3959 G12
INTVCC vs Temperature INTVCC Load Regulation INTVCC Line Regulation
5.0 5 5.0 DRIVE LDO DRIVE = 6V 4.8 DRIVE LDO DRIVE LDO 4.5 4.6 4.5 (V) 4.4 CC 4 4.0 VOLTAGE (V) 4.2 V VOLTAGE (V) DRIVE = 0V INTV CC IN LDO (DRIVE = 0V) CC VIN LDO 4.0 INTV INTV 3.5 3.5 3.8 VIN LDO 3.6 3 3.0 –50 –25 0 25 50 75 100 125 0 5 10 15 20 25 0 5 10 15 20 25 30 35 40 45 TEMPERATURE (°C) INTVCC LOAD (mA) VIN (V) 3959 G13 3959 G14 3959 G15
INTVCC Dropout Voltage Internal Switch On-Resistance Internal Switch On-Resistance vs Current, Temperature vs Temperature vs INTVCC
400 60 50 VIN = 12V DRIVE = 4V 50 300 45 125°C 200 25°C 40 40 –40°C ON-RESISTANCE (mΩ) 100 30 ON-RESISTANCE (mΩ) DROPOUT VOLTAGE (mV) 35 0 20 30 0 5 10 15 20 25 –50 –25 0 25 50 75 100 125 2 2.5 3 3.5 4 4.5 5 INTV TEMPERATURE (°C) CC LOAD (mA) INTCCC (V) 3959 G17 3959 G16 3959 G18 3959fa 6 For more information www.linear.com/LT3959 Document Outline Features Description Applications 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 SW 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 FALLING EN/UVLO (µA) EN/UVLO VOLTAGE (V) 150 MINIMUM 1.8 1.19 MINIMUM ON/OFF TIME (ns) ON TIME 140 1.17 130 1.6 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3959 G10 3959 G11 3959 G12
INTVCC vs Temperature INTVCC Load Regulation INTVCC Line Regulation
5.0 5 5.0 DRIVE LDO DRIVE = 6V 4.8 DRIVE LDO DRIVE LDO 4.5 4.6 4.5 (V) 4.4 CC 4 4.0 VOLTAGE (V) 4.2 V VOLTAGE (V) DRIVE = 0V INTV CC IN LDO (DRIVE = 0V) CC VIN LDO 4.0 INTV INTV 3.5 3.5 3.8 VIN LDO 3.6 3 3.0 –50 –25 0 25 50 75 100 125 0 5 10 15 20 25 0 5 10 15 20 25 30 35 40 45 TEMPERATURE (°C) INTVCC LOAD (mA) VIN (V) 3959 G13 3959 G14 3959 G15
INTVCC Dropout Voltage Internal Switch On-Resistance Internal Switch On-Resistance vs Current, Temperature vs Temperature vs INTVCC
400 60 50 VIN = 12V DRIVE = 4V 50 300 45 125°C 200 25°C 40 40 –40°C ON-RESISTANCE (mΩ) 100 30 ON-RESISTANCE (mΩ) DROPOUT VOLTAGE (mV) 35 0 20 30 0 5 10 15 20 25 –50 –25 0 25 50 75 100 125 2 2.5 3 3.5 4 4.5 5 INTV TEMPERATURE (°C) CC LOAD (mA) INTCCC (V) 3959 G17 3959 G16 3959 G18 3959fa 6 For more information www.linear.com/LT3959 Document Outline Features Description Applications 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