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ML4800 Datasheet(PDF) 3 Page - Fairchild Semiconductor |
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ML4800 Datasheet(HTML) 3 Page - Fairchild Semiconductor |
3 / 14 page ML4800 REV. 1.0.2 3/7/2001 3 ELECTRICAL CHARACTERISTICS Unless otherwise specified, VCC = 15V, RT = 52.3kΩ, CT = 470pF, 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 30 65 90 µ Feedback Reference Voltage 2.43 2.5 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 -140 µA Sink Current VIN = ±0.5V, VOUT = 1.5V 40 140 µA Open Loop Gain 50 60 dB Power Supply Rejection Ratio 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 0 4 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 -104 µA Sink Current VIN = ±0.5V, VOUT = 1.5V 40 160 µA Open Loop Gain 60 70 dB Power Supply Rejection Ratio 11V < VCC < 16.5V 60 75 dB OVP COMPARATOR Threshold Voltage 2.65 2.75 2.85 V Hysteresis 175 250 325 mV 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 ................................................. -5V to 0.7V Voltage on Any Other Pin ...... GND - 0.3V to VCCZ + 0.3V IREF ........................................................................................... 10mA IAC Input Current .................................................... 10mA Peak PFC OUT Current, Source or Sink ....................... 1A Peak PWM OUT Current, Source or Sink .................... 1A 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 ML4800CX .................................................... 0 °C to 70°C ML4800IX .................................................. -40 °C to 85°C |
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