Datasheet LT3791-1 (Analog Devices) - 6
| Manufacturer | Analog Devices |
| Description | 60V 4-Switch Synchronous Buck-Boost Controller |
| Pages / Page | 26 / 6 — Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. … |
| File Format / Size | PDF / 312 Kb |
| Document Language | English |
Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. V(ISP-ISN) Threshold vs VFB
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LT3791-1
Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. V(ISP-ISN) Threshold vs VFB ISMON Voltage vs Temperature ISMON Voltage vs V(ISP-ISN)
120 1.04 1.0 VIN = 12V V 0.9 100 1.03 (ISP-ISN) = 100mV 0.8 1.02 0.7 80 1.01 0.6 (mV) (V) (V) 60 1.00 0.5 V ISMON V ISMON 0.4 V (ISP-ISN) 0.99 40 0.3 0.98 0.2 20 0.97 0.1 0 0.96 0 1.17 1.18 1.19 1.20 1.21 1.22 1.23 –50 –25 0 25 50 75 100 125 150 0 10 20 30 40 50 60 70 80 90 100 VFB (V) TEMPERATURE (°C) V(ISP-ISN) (mV) 37911 G10 37911 G11 37911 G12
V(IVINP-IVINN) Threshold V(IVINP-IVINN) Threshold vs Temperature vs VIVINP IVINMON Voltage vs Temperature
56 52.0 1.04 VIVINP = 12V 54 51.5 1.03 V(IVINP-VINN) = 50mV 51.0 1.02 52 VIVINP = 60V (mV) (mV) 50.5 1.01 50 (V) V - IVINN) IVINP = 3V 50.0 1.00 48 - IVINN) 49.5 V IVINMON 0.99 V (IVINP 46 V (IVINP 49.0 0.98 44 48.5 0.97 42 48.0 0.96 –50 –25 0 25 50 75 100 125 150 0 10 20 30 40 50 60 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) VIVINP (V) TEMPERATURE (°C) 37911 G13 37911 G14 37911 G15
FB Regulation Voltage SHORT Threshold V(IVINP-IVINN) Threshold vs VFB vs Temperature vs Temperature
60 1.24 0.500 1.23 50 0.475 1.22 0.450 40 (mV) 1.21 0.425 RISING 30 (V) 1.20 0.400 V FB FALLING 1.19 FB VOLTAGE (V) 0.375 V (IVINP-IVINSN) 20 1.18 0.350 10 VIN = 60V 1.17 VIN = 12V 0.325 VIN = 4.7V 0 1.16 0.300 1.17 1.18 1.19 1.20 1.21 1.22 1.23 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 VFB (V) TEMPERATURE (°C) TEMPERATURE (°C) 37911 G16 37911 G17 37911 G18 37911fb 6 For more information www.linear.com/LT3791-1 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Typical Application Related Parts
Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. V(ISP-ISN) Threshold vs VFB ISMON Voltage vs Temperature ISMON Voltage vs V(ISP-ISN)
120 1.04 1.0 VIN = 12V V 0.9 100 1.03 (ISP-ISN) = 100mV 0.8 1.02 0.7 80 1.01 0.6 (mV) (V) (V) 60 1.00 0.5 V ISMON V ISMON 0.4 V (ISP-ISN) 0.99 40 0.3 0.98 0.2 20 0.97 0.1 0 0.96 0 1.17 1.18 1.19 1.20 1.21 1.22 1.23 –50 –25 0 25 50 75 100 125 150 0 10 20 30 40 50 60 70 80 90 100 VFB (V) TEMPERATURE (°C) V(ISP-ISN) (mV) 37911 G10 37911 G11 37911 G12
V(IVINP-IVINN) Threshold V(IVINP-IVINN) Threshold vs Temperature vs VIVINP IVINMON Voltage vs Temperature
56 52.0 1.04 VIVINP = 12V 54 51.5 1.03 V(IVINP-VINN) = 50mV 51.0 1.02 52 VIVINP = 60V (mV) (mV) 50.5 1.01 50 (V) V - IVINN) IVINP = 3V 50.0 1.00 48 - IVINN) 49.5 V IVINMON 0.99 V (IVINP 46 V (IVINP 49.0 0.98 44 48.5 0.97 42 48.0 0.96 –50 –25 0 25 50 75 100 125 150 0 10 20 30 40 50 60 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) VIVINP (V) TEMPERATURE (°C) 37911 G13 37911 G14 37911 G15
FB Regulation Voltage SHORT Threshold V(IVINP-IVINN) Threshold vs VFB vs Temperature vs Temperature
60 1.24 0.500 1.23 50 0.475 1.22 0.450 40 (mV) 1.21 0.425 RISING 30 (V) 1.20 0.400 V FB FALLING 1.19 FB VOLTAGE (V) 0.375 V (IVINP-IVINSN) 20 1.18 0.350 10 VIN = 60V 1.17 VIN = 12V 0.325 VIN = 4.7V 0 1.16 0.300 1.17 1.18 1.19 1.20 1.21 1.22 1.23 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 VFB (V) TEMPERATURE (°C) TEMPERATURE (°C) 37911 G16 37911 G17 37911 G18 37911fb 6 For more information www.linear.com/LT3791-1 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Typical Application Related Parts
