Datasheet LT8391 (Linear Technology) - 10
| 制造商 | Linear Technology |
| 描述 | 60V Synchronous 4-Switch Buck-Boost LED Controller with Spread Spectrum |
| 页数 / 页 | 34 / 10 — TA = 25°C, unless otherwise noted. Oscillator Frequency. ISP/ISN Open LED … |
| 修订版 | A |
| 文件格式/大小 | PDF / 466 Kb |
| 文件语言 | 英语 |
TA = 25°C, unless otherwise noted. Oscillator Frequency. ISP/ISN Open LED Threshold. SS Current vs Temperature. vs Temperature
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LT8391 TYPICAL PERFORMANCE CHARACTERISTICS
TA = 25°C, unless otherwise noted. Oscillator Frequency ISP/ISN Open LED Threshold SS Current vs Temperature vs Temperature
30 15.0 700 RT = 59.0k 25 12.5 600 PULL-UP (kHz) 20 10.0 500 (mV) RISING RT = 100k 15 (µA) 7.5 400 I SS V (ISP-ISN) FALLING 10 5.0 300 RT = 226k 5 2.5 SWITCHING FREQUENCY PULL-DOWN 200 0 0.0 100 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 8391 G28 8391 G29 8391 G30 8391fa 10 For more information www.linear.com/LT8391
TA = 25°C, unless otherwise noted. Oscillator Frequency ISP/ISN Open LED Threshold SS Current vs Temperature vs Temperature
30 15.0 700 RT = 59.0k 25 12.5 600 PULL-UP (kHz) 20 10.0 500 (mV) RISING RT = 100k 15 (µA) 7.5 400 I SS V (ISP-ISN) FALLING 10 5.0 300 RT = 226k 5 2.5 SWITCHING FREQUENCY PULL-DOWN 200 0 0.0 100 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 8391 G28 8391 G29 8391 G30 8391fa 10 For more information www.linear.com/LT8391