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ML4803 Folha de dados(PDF) 3 Page - Micro Linear Corporation |
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ML4803 Folha de dados(HTML) 3 Page - Micro Linear Corporation |
3 / 13 page ML4803 3 February 1999 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. ICC Current (average) ............................................. 40mA VCC MAX ............................................................... 18.3V ISENSE Voltage .................................................. -5V to 1V Voltage on Any Other Pin ...... GND - 0.3V to VCC + 0.3V Peak PFC OUT Current, Source or Sink ....................... 1A Peak PWM OUT Current, Source or Sink ..................... 1A PFC OUT, PWM OUT Energy Per Cycle .................. 1.5µJ Junction Temperature .............................................. 150°C Storage Temperature Range ..................... –65°C to 150°C Lead Temperature (Soldering, 10 sec) ..................... 260°C Thermal Resistance ( qJA) Plastic DIP ..................................................... 110°C/W Plastic SOIC ................................................... 160°C/W OPERATING CONDITIONS Temperature Range ML4803CX-X ............................................. 0°C to 70°C ML4803IX-X ............................................-40°C to 85°C ELECTRICAL CHARACTERISTICS Unless otherwise specified, VCC = 15V, TA = Operating Temperature Range (Note 1) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS ONE-PIN ERROR AMPLIFIER VEAO Output Current TA = 25ºC, VEAO = 6V 33.5 35.0 36.5 µA Line Regulation 10V < VCC < 15V, VEAO = 6V 0.1 0.3 µA VCC OVP COMPARATOR Threshold Voltage TA = 0ºC to 70ºC 15.5 16.0 16.5 V PFC ILIMIT COMPARATOR Threshold Voltage -0.9 -1 -1.15 V Delay to Output 150 300 ns DC ILIMIT COMPARATOR Threshold Voltage 1.4 1.5 1.6 V Delay to Output 150 300 ns OSCILLATOR Initial Accuracy TA = 25°C 626774 kHz Voltage Stability 10V < VCC < 15V 1 % Temperature Stability 2% Total Variation Over Line and Temp 60 67 74.5 kHz Dead Time PFC Only 0.3 0.45 0.65 µs PFC Minimum Duty Cycle VEAO > 7.0V,ISENSE = -0.2V 0 % Maximum Duty Cycle VEAO < 4.0V,ISENSE = 0V 90 95 % Output Low Impedance 8 15 W Output Low Voltage IOUT = -100mA 0.8 1.5 V IOUT = –10mA, VCC = 8V 0.7 1.5 V |
Nº de peça semelhante - ML4803 |
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Descrição semelhante - ML4803 |
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