Datasheet LT3790 (Analog Devices) - 6
| 制造商 | Analog Devices |
| 描述 | 60V Synchronous 4-Switch Buck-Boost Controller |
| 页数 / 页 | 28 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. … |
| 文件格式/大小 | PDF / 535 Kb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. V(ISP-ISN) Threshold vs VFB
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LT3790
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)
72 1.24 1.2 VIN = 12V V 60 1.23 (ISP-ISN) = 60mV 1.0 1.22 48 0.8 1.21 (mV) (V) (V) 36 1.20 0.6 V ISMON V ISMON V (ISP-ISN) 1.19 24 0.4 1.18 12 0.2 1.17 0 1.16 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 VFB (V) TEMPERATURE (°C) V(ISP-ISN) (mV) 3790 G10 3790 G11 3790 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) 3790 G13 3790 G14 3790 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) 3790 G16 3790 G17 3790 G18 3790fa 6 For more information www.linear.com/LT3790 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration Electrical Characteristics Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description 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)
72 1.24 1.2 VIN = 12V V 60 1.23 (ISP-ISN) = 60mV 1.0 1.22 48 0.8 1.21 (mV) (V) (V) 36 1.20 0.6 V ISMON V ISMON V (ISP-ISN) 1.19 24 0.4 1.18 12 0.2 1.17 0 1.16 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 VFB (V) TEMPERATURE (°C) V(ISP-ISN) (mV) 3790 G10 3790 G11 3790 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) 3790 G13 3790 G14 3790 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) 3790 G16 3790 G17 3790 G18 3790fa 6 For more information www.linear.com/LT3790 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration Electrical Characteristics Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Typical Application Related Parts