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ML4802 Scheda tecnica(PDF) 3 Page - Fairchild Semiconductor |
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ML4802 Scheda tecnica(HTML) 3 Page - Fairchild Semiconductor |
3 / 15 page ML4802 REV. 1.0.1 12/12/2000 3 ELECTRICAL CHARACTERISTICS Unless otherwise specified, VCC = 15V, RT = 29.4k Ω, RRAMP1 = 15.4kΩ, CT = 270pF, CRAMP1 = 620pF, TA = Operating Temperature Range (Note 1) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VOLTAGE ERROR AMPLIFIER Input Voltage Range 0 5 V Transconductance VNON INV = VINV, VEAO = 3.75V 20 35 50 µ Feedback Reference Voltage 2.4 2.5 2.6 V Input Bias Current Note 2 -0.5 -1.0 µA Output High Voltage 6.0 6.7 V Output Low Voltage 0.2 0.5 V Source Current ∆VIN = ±0.5V, VOUT = 6V –1 –2.5 –4 µA Sink Current ∆VIN = ±0.5V, VOUT = 1.5V –1 –2.5 –4 µA Open Loop Gain 50 60 dB PSRR 11V < VCC < 16.5V 50 60 dB CURRENT ERROR AMPLIFIER Input Voltage Range -1.5 2 V Transconductance VNON INV = VINV, VEAO = 3.75V 50 100 150 µ Input Offset Voltage –5 3 10 mV Input Bias Current -0.5 -1.0 µA Output High Voltage 6.0 6.7 V Output Low Voltage 0.65 1.0 V Source Current ∆VIN = ±0.5V, VOUT = 6V -40 -70 -150 µA Sink Current ∆VIN = ±0.5V, VOUT = 1.5V 40 70 150 µA Open Loop Gain 60 75 dB PSRR 11V < VCC < 16.5V 60 75 dB 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. VCC ...........................................................................18V ISENSE Voltage ................................................ –3V to 5V Voltage on Any Other Pin ..... GND – 0.3V to VCC + 0.3V IREF ........................................................................ 20mA IAC Input Current .................................................... 10mA PeakCurrent, Source or Sink PFC OUT, PWM OUT ........................................ 500mA PFC OUT, PWM OUT Energy Per Cycle ................... 1.5 µJ Junction Temperature ............................................. 150 °C Storage Temperature Range ...................... –65 °C to 150°C Lead Temperature (Soldering, 10 sec) ..................... 260 °C Thermal Resistance ( θja) Plastic DIP ....................................................... 80 °C/W Plastic SOIC ................................................... 105 °C/W OPERATING CONDITIONS Temperature Range ML4802CX ................................................ 0 °C to 70°C ML4802IX .............................................. –40 °C to 85°C ABSOLUTE MAXIMUM RATINGS |
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