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VIPER115HSTR 데이터시트(PDF) 11 Page - STMicroelectronics |
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VIPER115HSTR 데이터시트(HTML) 11 Page - STMicroelectronics |
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11 / 37 page ![]() DS11873 Rev 5 11/37 VIPer11 Electrical characteristics 37 tON_MIN Minimum turn-on time VCC = 9 V VCOMP = 1 V VFB = VFB_REF 250 300 350 ns tRESTART Restart time after fault - 0.65 1 1.35 s Oscillator FOSC Switching frequency TJ = 25 °C VIPER11*X 27 30 33 kHz TJ = 25 °C VIPER11*L 54 60 66 TJ = 25 °C VIPER11*H 108 120 132 FOSC_MIN Minimum switching frequency TJ = 25 °C(2) 13.5 15 16.5 kHz FD Modulation depth (3) - ±7 FOSC -% FM Modulation frequency (3) - 260 - Hz DMAX Max. duty cycle (3) 70 80 % Thermal shutdown TSD Thermal shutdown temperature (3) 150 160 °C 1. See Section 5.10: Pulse frequency modulation on page 21. 2. See Section 5.7: Pulse-skipping on page 20. 3. Parameter assured by design and characterization. Table 7. Controller section (continued) Symbol Parameter Test conditions Min. Typ. Max. Unit |
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