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LT1613 Datasheet(PDF) 2 Page - Linear Technology |
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LT1613 Datasheet(HTML) 2 Page - Linear Technology |
2 / 12 page 2 LT1613 PARAMETER CONDITIONS MIN TYP MAX UNITS Minimum Operating Voltage 0.9 1.1 V Maximum Operating Voltage 10 V Feedback Voltage q 1.205 1.23 1.255 V FB Pin Bias Current q 27 80 nA Quiescent Current VSHDN = 1.5V 3 4.5 mA Quiescent Current in Shutdown VSHDN = 0V, VIN = 2V 0.01 0.5 µA VSHDN = 0V, VIN = 5V 0.01 1.0 µA Reference Line Regulation 1.5V ≤ VIN ≤ 10V 0.02 0.2 %/V Switching Frequency q 1.0 1.4 1.8 MHz Maximum Duty Cycle q 82 86 % Switch Current Limit (Note 3) 550 800 mA Switch VCESAT ISW = 300mA 300 350 mV Switch Leakage Current VSW = 5V 0.01 1 µA SHDN Input Voltage High 1V SHDN Input Voltage Low 0.3 V SHDN Pin Bias Current VSHDN = 3V 25 50 µA VSHDN = 0V 0.01 0.1 µA (Note 1) VIN Voltage .............................................................. 10V SW Voltage ................................................– 0.4V to 36V FB Voltage ..................................................... VIN + 0.3V Current into FB Pin ............................................... ±1mA SHDN Voltage .......................................................... 10V Maximum Junction Temperature .......................... 125 °C Operating Temperature Range Commercial ............................................. 0 °C to 70°C Extended Commercial (Note 2) ........... – 40 °C to 85°C Storage Temperature Range ................. – 65 °C to 150°C Lead Temperature (Soldering, 10 sec).................. 300 °C ABSOLUTE MAXIMUM RATINGS PACKAGE/ORDER INFORMATION S5 PART MARKING LTED ORDER PART NUMBER LT1613CS5 SW 1 GND 2 TOP VIEW S5 PACKAGE 5-LEAD PLASTIC SOT-23 FB 3 5 VIN 4 SHDN ELECTRICAL CHARACTERISTICS The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. Commercial grade 0°C to 70°C, VIN = 1.5V, VSHDN = VIN unless otherwise noted. (Note 2) Consult factory for Industrial and Military grade parts. Note 1: Absolute Maximum Ratings are those values beyond which the life of a device may be impaired. Note 2: The LT1613C 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. Note 3: Current limit guaranteed by design and/or correlation to static test. |
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