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ML4801IS Scheda tecnica(PDF) 3 Page - Fairchild Semiconductor |
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ML4801IS Scheda tecnica(HTML) 3 Page - Fairchild Semiconductor |
3 / 14 page ML4801 REV. 1.1 3/9/2001 3 ELECTRICAL CHARACTERISTICS Unless otherwise specified, VCC = 15V, RT = 29.4kΩ, 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 40 65 80 µ Feedback Reference Voltage 2.43 2.50 2.57 V Input Bias Current Note 2 -0.5 -1.0 µA Output High Voltage 6.0 6.7 V Output Low Voltage 0.1 0.4 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 70 dB PSRR 11V < VCC < 16.5V 60 70 dB CURRENT ERROR AMPLIFIER Input Voltage Range -1.5 2 V Transconductance VNON INV = VINV, VEAO = 3.75V 60 100 120 µ Input Offset Voltage 0 8 15 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 55 65 dB PSRR 11V < VCC < 16.5V 60 75 dB 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. 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 Peak PFC OUT Current, Source or Sink ................. 500mA Peak PWM OUT Current, Source or Sink ............... 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 ML4801CX ................................................. 0 °C to 70°C ML4801IX ............................................... -40 °C to 85°C |
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