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NCP81253MNTBG Datasheet(PDF) 5 Page - ON Semiconductor |
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NCP81253MNTBG Datasheet(HTML) 5 Page - ON Semiconductor |
5 / 10 page NCP81253 www.onsemi.com 5 TYPICAL CHARACTERISTICS Figure 2. Standby Current vs. Temperature (VCC = 5 V, EN = 5 V, PWM = 0 V) Figure 3. Supply Current vs. Switching Frequency (VCC = 5 V, Cload = 3 nF) AMBIENT TEMPERATURE ( °C) SWITCHING FREQUENCY (kHz) 80 100 60 40 20 0 −20 −40 0.7 0.8 0.9 1.0 1.1 1.2 900 800 700 500 400 300 200 100 0 5 10 15 20 25 35 40 Figure 4. VCC UVLO vs. Temperature (EN = 5 V) Figure 5. PWM Low/Mid Thresholds vs. Temperature (VCC = 5 V) AMBIENT TEMPERATURE ( °C) AMBIENT TEMPERATURE ( °C) 80 60 40 100 20 0 −20 −40 3.7 3.9 4.1 4.3 4.5 4.7 100 80 60 40 20 0 −20 −40 0.5 0.7 0.9 1.1 1.3 1.5 Figure 6. PWM Mid/High Thresholds vs. Temperature (VCC = 5 V) Figure 7. Enable Low/Mid Thresholds vs. Temperature (VCC = 5 V) AMBIENT TEMPERATURE ( °C) AMBIENT TEMPERATURE ( °C) 80 60 40 100 20 0 −20 −40 2.5 2.7 2.9 3.1 3.3 3.5 100 80 60 40 20 0 −20 −40 0.5 0.7 0.9 1.1 1.3 1.5 600 1000 30 Rising Falling Rising Falling Rising Falling Rising Falling |
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