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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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ML4819 Fiches technique(PDF) 3 Page - Fairchild Semiconductor |
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ML4819 Fiches technique(HTML) 3 Page - Fairchild Semiconductor |
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3 / 15 page  ML4819 REV. 1.0 10/10/2000 3 ELECTRICAL CHARACTERISTICS Unless otherwise specified, RT = 14kΩ, CT = 1000pF, TA = Operating Temperature Range, VCC = 15V (Notes 1, 2). PARAMETER CONDITIONS MIN TYP MAX UNITS OSCILLATOR Initial Accuracy TJ = 25°C 90 97 104 kHz Voltage Stability 12V < VCC < 18V 0.2 % Temperature Stability 2% Total Variation Line, temp. 88 106 kHz Ramp Valley 0.9 V Ramp Peak 4.3 V RT Voltage 4.8 5.0 5.2 V Discharge Current (PWM B open) TJ = 25°C, VOUT A = 2V 7.5 8.4 9.3 mA VOUT A = 2V 7.2 8.4 9.5 mA DUTY CYCLE LIMIT COMPARATOR Input Offset Voltage –15 15 mV Input Bias Current –2 –10 µA Duty Cycle VDUTY CYCLE = VREF/2 43 45 49 % REFERENCE Output Voltage TJ = 25°C, IO = 1mA 4.95 5.00 5.05 V Line Regulation 12V < VCC < 25V 2 20 mV Load Regulation 1mA < IO < 20mA 8 25 mV Temperature Stability 0.4 % Total Variation Line, load, temperature 4.9 5.1 V Output Noise Voltage 10Hz to 10kHz 50 µV Long Term Stability TJ = 125°C, 1000 hours, (Note 1) 5 25 mV Short Circuit Current VREF = 0V –30 –85 –180 mA ERROR AMPLIFIER Input Offset Voltage –15 15 mV Input Bias Current –0.1 –1.0 µA Open Loop Gain 1 < VEA OUT A < 5V 60 75 dB PSRR 12V < VCC < 25V 60 90 dB Output Sink Current VEA OUT A = 1.1V, VINV A = 5.2V 2 12 mA Output Source Current VEA OUT A = 5.0V, VINV A = 4.8V –0.5 –1.0 mA ABSOLUTE MAXIMUM RATINGS Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. Supply Voltage (VCC) ................................................. 35V Output Current, Source or Sink (RAMP COMP) DC ....................................................................... 1.0A Output Energy (capacitive load per cycle) ................... 5 µJ Multiplier ISINE Input (ISINE) ................................... 1.2mA Error Amp Sink Current (GM OUT) ........................ 10mA Oscillator Charge Current ........................................ 2mA Analog Inputs (ISENSE A, EA OUT A, INV A) ............................................................... –0.3V to 5.5V Junction Temperature ............................................. 150 °C Storage Temperature Range ..................... –65 °C to 150°C Lead Temperature (soldering 10 sec.) ..................... 260 °C Thermal Resistance ( θJA) Plastic DIP or SOIC ......................................... 60 °C/W OPERATING CONDITIONS Temperature Range ML4819C .................................................. 0 °C to 70°C |
Numéro de pièce similaire - ML4819 |
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Description similaire - ML4819 |
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