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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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VIPER267KDTR 数据表(PDF) 9 Page - STMicroelectronics |
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VIPER267KDTR 数据表(HTML) 9 Page - STMicroelectronics |
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9 / 28 page  DS12978 Rev 1 9/28 VIPer26K Electrical characteristics 28 Current limitation IDLIM Drain current limitation VIPER267K VCOMP = 3.3V, TJ = 25°C 0.66 0.7 0.74 A VIPER265K VCOMP = 3.3V, TJ = 25°C 0.47 0.5 0.53 tSS Soft-start time 8.5 ms TON-MIN Minimum turn ON time 480 ns IDLIM-BM Burst mode current limitation VCOMP = VCOMPL 127 mA Overload tOVL Overload time 50 ms tRESTART Restart time after fault 1 s Oscillator FOSC Switching frequency TJ = -25 to 125°C 54 60 66 kHz TJ = -40 to 125°C 44 60 66 FD Modulation depth ±4 kHz FM Modulating frequency 240 Hz DMAX Maximum duty cycle 70 80 % Thermal shutdown TSD Thermal shutdown temperature 150 160 °C THYST Thermal shutdown hysteresis 30 °C Table 7. Controller section (continued) Symbol Parameter Test conditions Min. Typ. Max. Unit |
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