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LT1933ES6 Datasheet(PDF) 3 Page - Linear Technology |
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LT1933ES6 Datasheet(HTML) 3 Page - Linear Technology |
3 / 20 page LT1933 3 1933fd ELECTRICAL CHARACTERISTICS Note 1: Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. Exposure to any Absolute Maximum Rating condition for extended periods may affect device reliability and lifetime. Note 2: The LT1933E is guaranteed to meet performance specifications from 0°C to 70°C. Specifications over the –40°C to 85°C operating temperature range are assured by design, characterization and correlation with statistical process controls. The LT1933I specifications are PARAMETER CONDITIONS MIN TYP MAX UNITS Undervoltage Lockout 3.35 3.6 V Feedback Voltage l 1.225 1.245 1.265 V FB Pin Bias Current VFB = Measured VREF + 10mV (Note 4) l 40 120 nA Quiescent Current Not Switching 1.6 2.5 mA Quiescent Current in Shutdown VSHDN = 0V 0.01 2 μA Reference Line Regulation VIN = 5V to 36V 0.01 %/V Switching Frequency VFB = 1.1V 400 500 600 kHz VFB = 0V 55 kHz Maximum Duty Cycle l 88 94 % Switch Current Limit (Note 3) 0.75 1.05 A Switch VCESAT ISW = 400mA, S6 Package ISW = 400mA, DCB6 Package 370 370 500 mV mV Switch Leakage Current 2μA Minimum Boost Voltage Above Switch ISW = 400mA 1.9 2.3 V BOOST Pin Current ISW = 400mA 18 25 mA SHDN Input Voltage High 2.3 V SHDN Input Voltage Low 0.3 V SHDN Bias Current VSHDN = 2.3V (Note 5) VSHDN = 0V 34 0.01 50 0.1 μA μA The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN = 12V, VBOOST = 17V, unless otherwise noted. (Note 2) guaranteed over the –40°C to 125°C temperature range. The LT1933H specifications are guaranteed over the –40°C to 150°C temperature range. Note 3: Current limit guaranteed by design and/or correlation to static test. Slope compensation reduces current limit at higher duty cycle. Note 4: Current flows out of pin. Note 5: Current flows into pin. |
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