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ML4801 Datenblatt(PDF) 4 Page - Fairchild Semiconductor |
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ML4801 Datenblatt(HTML) 4 Page - Fairchild Semiconductor |
4 / 14 page ML4801 4 REV. 1.1 3/9/2001 ELECTRICAL CHARACTERISTICS (Continued) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS OVP COMPARATOR Threshold Voltage 2.65 2.75 2.85 V Hysteresis 175 250 325 mV PFC ILIMIT COMPARATOR Threshold Voltage -0.9 -1.0 -1.1 V ∆PFC ILIMIT Threshold - Gain Modulator Output 120 220 mV Delay to Output 150 300 ns DC ILIMIT COMPARATOR Threshold Voltage 1.4 1.5 1.6 V Input Bias Current ±0.3 ±1 µA Delay to Output 150 300 ns VIN OK COMPARATOR Threshold Voltage 2.4 2.5 2.6 V Hysteresis 0.8 1.0 1.2 V GAIN MODULATOR Gain (Note 3) IAC = 100µA, VRMS = VFB = 0V 0.65 0.85 1.05 IAC = 50µA, VRMS = 1V, VFB = 0V 1.90 2.20 2.40 IAC = 50µA, VRMS = 1.8V, VFB = 0V 0.90 1.05 1.25 IAC = 100µA, VRMS = 3.3V, VFB = 0V 0.20 0.30 0.40 Bandwidth IAC = 100 µA 10 MHz Output Voltage IAC = 350µA, VRMS = 1V, 0.65 0.75 0.85 V VFB = 0V OSCILLATOR Initial Accuracy TA = 25ºC 188 200 212 kHz Voltage Stability 11V < VCC < 16.5V 1 % Temperature Stability 2% Total Variation Over Line and Temp 182 218 kHz Ramp Valley to Peak Voltage 2.5 V PFC Dead Time 350 470 600 ns CT Discharge Current VRAMP 2 = 0V, VRAMP 1 = 2.5V 3.5 5.5 7.5 mA |
Ähnliche Teilenummer - ML4801 |
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Ähnliche Beschreibung - ML4801 |
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