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ML4836CS Scheda tecnica(PDF) 3 Page - Micro Linear Corporation |
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ML4836CS Scheda tecnica(HTML) 3 Page - Micro Linear Corporation |
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3 / 15 page ![]() ML4836 3 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. Supply Current (ICC) ............................................................ 50mA Output Current, Source or Sink (OUT A, OUT B) DC ............................................ 250mA PIFB Input Voltage ............................................ –3V to 2V Maximum Forced Voltage (PEAO, LEAO) ............................................ –0.3V to 7.7V Maximum Forced Current (LEAO) ................................................................. ±20mA Junction Temperature .............................................. 150ºC Storage Temperature Range...................... –65ºC to 150ºC Lead Temperature (Soldering, 10 sec) ...................... 260ºC Thermal Resistance ( qJA) ML4836CP ............................................................... C/W ML4836CS ............................................................... C/W OPERATING CONDITIONS Temperature Range ........................................ 0°C to 85°C ELECTRICAL CHARACTERISTICS Unless otherwise specified, VCC = VCCZ –0.5V, RSET = 11.8kW, RT = 14.7kW, RT2 = 53.6kW, CT = 1.5nF, TA = Operating Temperature Range (Note 1) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS LAMP CURRENT AMPLIFIER (LAMP FB, LEAO) Input Bias Current -0.3 -1.0 µA Small Signal Transconductance 35 75 105 µ Input Bias Voltage -0.3 5.0 V Output Low LAMP FB = 3V, RL = ¥ 0.2 0.4 V Output High LAMP FB = 2V, RL = ¥ 7.1 7.5 V Source Current LAMP FB = 0V, LEAO = 6V -80 -220 µA Sink Current LAMP FB = 5V, LEAO = 0.3V 80 220 µA OSCILLATOR Initial Accuracy (FMIN)TA = 25ºC 39.2 40 40.8 kHz Total Variation (FMIN) Line, Temperature 39.2 40.8 kHz Initial Accuracy (START) TA = 25ºC 49 50 51 kHz Total Variation (START) Line, Temperature 49 51 kHz Ramp Valley to Peak 2.6 V Initial Accuracy (Preheat) TA = 25ºC 60.8 64 67.2 kHz Total Variation (Preheat) Line, Temperature 60.8 64 67.2 kHz CT Discharge Current VRTCT = 2.5V 6.0 7.5 9.0 mA Output Drive Deadtime CT = 1.5nF 0.7 us REFERENCE BUFFER Output Voltage TA = 25ºC, IO = 0mA 7.4 7.5 7.6 V Line Regulation VCCZ – 4V < VCC < VCCZ – 0.5V 10 25 mV Load Regulation 1mA < IO < 10mA 2 15 mV Temperature Stability 0.4 % Total Variation Line, Load, Temperature 7.35 7.65 V Long Term Stabilty Tj = 125ºC, 1000 hrs 5 mV |
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