Datasheet LTC3783 (Analog Devices) - 6
| 制造商 | Analog Devices |
| 描述 | PWM LED Driver and Boost, Flyback and SEPIC Controller |
| 页数 / 页 | 24 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C unless otherwise specified. … |
| 文件格式/大小 | PDF / 311 Kb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C unless otherwise specified. Frequency vs Temperature
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LTC3783
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C unless otherwise specified Frequency vs Temperature Maximum VSENSE vs Temperature ISENSE vs Temperature
350 160 75 340 158 74 330 156 73 320 154 72 310 152 71 (V) (µA) 300 150 70 290 V SENSE 148 I SENSE 69 FREQUENCY (kHz) 280 146 68 270 144 67 260 142 66 250 140 65 –50 0 50 100 150 –50 0 50 100 150 –50 0 50 100 150 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3783 G10 3783 G11 3783 G12
INTVCC Load Regulation INTVCC Load Regulation INTVCC Line Regulation Over Temperature
7.00 7.05 7.0 –50°C, –25°C, 0°C 6.95 7.00 6.8 25°C 6.95 6.6 6.90 75°C 50°C 6.90 6.4 100°C 6.85 6.85 6.2 (V) (V) (V) 125°C 6.80 V CC V CC 6.80 V CC 6.0 150°C INT INT 6.75 6.75 INT 5.8 6.70 5.6 6.70 6.65 5.4 6.55 6.60 5.2 6.50 6.55 5.0 0 0.02 0.04 0.06 0.08 0.10 0.12 0.14 0.16 0 10 20 30 40 50 0 50 100 150 IINTVCC (mA) VIN (V) IINTVCC (mA) 3783 G13 3783 G14 3783 G15
INTVCC Line Regulation ISS Soft-Start Current Gate Rise/Fall Time vs Temperature vs Temperature vs Capacitance
7.20 50.0 80 49.8 70 7.15 49.6 150°C 49.4 60 7.10 25°C 49.2 50 (V) 49.0 GATE TR V CC 7.05 40 T CURRENT (µA) 48.8 INT –50°C AR TIME (ns) 48.6 30 7.00 T-ST 48.4 GATE TF SOF 20 6.95 48.2 10 48.0 6.90 47.8 0 5 10 15 20 25 30 35 40 –50 0 50 100 150 0 5 10 15 20 VIN (V) TEMPERATURE (°C) CAPACITANCE (nF) 3783 G16 3783 G17 3783 G18 3783fb 6 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Pin Functions Block Diagram Operation Package Description Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C unless otherwise specified Frequency vs Temperature Maximum VSENSE vs Temperature ISENSE vs Temperature
350 160 75 340 158 74 330 156 73 320 154 72 310 152 71 (V) (µA) 300 150 70 290 V SENSE 148 I SENSE 69 FREQUENCY (kHz) 280 146 68 270 144 67 260 142 66 250 140 65 –50 0 50 100 150 –50 0 50 100 150 –50 0 50 100 150 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3783 G10 3783 G11 3783 G12
INTVCC Load Regulation INTVCC Load Regulation INTVCC Line Regulation Over Temperature
7.00 7.05 7.0 –50°C, –25°C, 0°C 6.95 7.00 6.8 25°C 6.95 6.6 6.90 75°C 50°C 6.90 6.4 100°C 6.85 6.85 6.2 (V) (V) (V) 125°C 6.80 V CC V CC 6.80 V CC 6.0 150°C INT INT 6.75 6.75 INT 5.8 6.70 5.6 6.70 6.65 5.4 6.55 6.60 5.2 6.50 6.55 5.0 0 0.02 0.04 0.06 0.08 0.10 0.12 0.14 0.16 0 10 20 30 40 50 0 50 100 150 IINTVCC (mA) VIN (V) IINTVCC (mA) 3783 G13 3783 G14 3783 G15
INTVCC Line Regulation ISS Soft-Start Current Gate Rise/Fall Time vs Temperature vs Temperature vs Capacitance
7.20 50.0 80 49.8 70 7.15 49.6 150°C 49.4 60 7.10 25°C 49.2 50 (V) 49.0 GATE TR V CC 7.05 40 T CURRENT (µA) 48.8 INT –50°C AR TIME (ns) 48.6 30 7.00 T-ST 48.4 GATE TF SOF 20 6.95 48.2 10 48.0 6.90 47.8 0 5 10 15 20 25 30 35 40 –50 0 50 100 150 0 5 10 15 20 VIN (V) TEMPERATURE (°C) CAPACITANCE (nF) 3783 G16 3783 G17 3783 G18 3783fb 6 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Pin Functions Block Diagram Operation Package Description Related Parts