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ML4423 Scheda tecnica(PDF) 4 Page - Micro Linear Corporation |
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ML4423 Scheda tecnica(HTML) 4 Page - Micro Linear Corporation |
4 / 10 page ML4423 4 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. VDD .............................................................................................. 15V Output Drive Current ........................................... ±50mA Logic Inputs (F/R, COAST) .............................. –0.3 to 7V Junction Temperature .............................................. 150ºC Storage Temperature Range ...................... –65ºC to 150ºC Lead Temperature (Soldering 10 sec) ...................... 260ºC Thermal Resistance ( qJA) Plastic DIP ....................................................... 52ºC/W Plastic SOIC .................................................... 75ºC/W OPERATING CONDITIONS Temperature Range C Suffix ...................................................... 0ºC to 70ºC I Suffix .................................................... –40ºC to 85ºC VDD ........................................................... 9.6V to 14.4V ELECTRICAL CHARACTERISTICS Unless otherwise specified, VDD = 12V ± 20%, RSPEED = 160kW, RSENSE = 250mW, RREF = 200kW, C0 = 0.47mF, CPWM = 220pF, RDT = 166kW, TA = Operating Temperature Range (Note 1). SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS REFERENCE VREF Output Voltage 7.6 7.8 8.2 V Line Regulation Total Variation Line, Temperature DIGITAL INPUTS VIL Input Low Voltage 0.8 V VIH Input High Voltage 2 V OUTPUT DRIVERS VOL Output Low Voltage IOL = 20mA, 5V/12V SELECT = VDD 1V IOL = 2mA, 5V/12V SELECT = open 0.1 V VOH Output High Voltage IOL = –20mA, 5V/12V SELECT = VDD VDD – 1 V IOL = –2mA, 5V/12V SELECT = open 5 V SINE WAVE GENERATOR VPP Peak Voltage VSPEED = 4.4V 3.4 V Frequency VSPEED = 4.4V 60 Hz Distortion 5% PWM GENERATOR Ramp Frequency 25 kHz CURRENT LIMIT Threshold Voltage 0.4 0.5 0.6 V UNDERVOLTAGE LOCKOUT Threshold Voltage 7.8 8.4 9.2 V Hysteresis 0.5 V SUPPLY ICC VCC Operating Current 10 14 20 mA Note 1: Limits are guaranteed by 100% testing, sampling, or correlation with worst-case test conditions. |
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