전자부품 데이터시트 검색엔진 |
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ML4802 데이터시트(PDF) 3 Page - Micro Linear Corporation |
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ML4802 데이터시트(HTML) 3 Page - Micro Linear Corporation |
3 / 15 page ML4802 3 August 2000 Datasheet ELECTRICAL CHARACTERISTICS Unless otherwise specified, VCC = 15V, RT = 29.4k W, RRAMP1 = 15.4kW, 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 DVIN = ±0.5V, VOUT = 6V –1 –2.5 –4 µA Sink Current DVIN = ±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 DVIN = ±0.5V, VOUT = 6V -40 -70 -150 µA Sink Current DVIN = ±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 .................. 1.5µJ Junction Temperature .............................................. 150°C Storage Temperature Range ..................... –65°C to 150°C Lead Temperature (Soldering, 10 sec) ..................... 260°C Thermal Resistance ( qja) Plastic DIP ....................................................... 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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