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ML4800IS Datenblatt(PDF) 4 Page - Fairchild Semiconductor |
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ML4800IS Datenblatt(HTML) 4 Page - Fairchild Semiconductor |
4 / 14 page ML4800 4 REV. 1.0.2 3/7/2001 ELECTRICAL CHARACTERISTICS SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS TRI-FAULT DETECT Fault Detect HIGH 2.65 2.75 2.85 V Time to Fault Detect HIGH VFB = VFAULT DETECT LOW to VFB =2 4 ms OPEN. 470pF from VFB to GND Fault Detect LOW 0.4 0.5 0.6 V PFC ILIMIT COMPARATOR Threshold Voltage -0.9 -1.0 -1.1 V (PFC ILIMIT VTH - Gain Modulator Output) 120 220 mV Delay to Output 150 300 ns DC ILIMIT COMPARATOR Threshold Voltage 0.95 1.0 1.05 V Input Bias Current ±0.3 ±1 µA Delay to Output 150 300 ns VIN OK COMPARATOR Threshold Voltage 2.35 2.45 2.55 V Hysteresis 0.8 1.0 1.2 V GAIN MODULATOR Gain (Note 3) IAC = 100µA, VRMS = VFB = 0V 0.60 0.80 1.05 IAC = 50µA, VRMS = 1.2V, VFB = 0V 1.8 2.0 2.40 IAC = 50µA, VRMS = 1.8V, VFB = 0V 0.85 1.0 1.25 IAC = 100µA, VRMS = 3.3V, VFB = 0V 0.20 0.30 0.40 Bandwidth IAC = 100µA 10 MHz Output Voltage IAC = 350µA, VRMS = 1V, 0.60 0.75 0.9 V VFB = 0V OSCILLATOR Initial Accuracy TA = 25°C 717681 kHz Voltage Stability 11V < VCC < 16.5V 1 % Temperature Stability 2% Total Variation Line, Temp 68 84 kHz Ramp Valley to Peak Voltage 2.5 V PFC Dead Time 250 330 ns CT Discharge Current VRAMP 2 = 0V, VRAMP 1 = 2.5V 3.5 5.5 7.5 mA |
Ähnliche Teilenummer - ML4800IS |
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Ähnliche Beschreibung - ML4800IS |
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