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IR3535 Datasheet(PDF) 6 Page - International Rectifier |
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IR3535 Datasheet(HTML) 6 Page - International Rectifier |
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6 / 17 page ![]() March 13, 2013 | FINAL DATASHEET 6 IR3535 Synchronous Buck Converter Driver ELECTRICAL SPECIFICATIONS RECOMMENDED OPERATING CONDITIONS FOR RELIABLE OPERATION WITH MARGIN SYMBOL MIN MAX UNITS Recommended VIN Range VIN 4.5 14 V Recommended VCC Range VCC 4.5 7 V Recommended REFIN Range (VCC = 4.5V to 5.5V) REFIN 0.25 2.0 V Recommended REFIN Range (VCC = 5.5V to 7V) REFIN 0.25 3.3 V Recommended Switching Frequency FSW 200 1000 kHz Recommended Operating Junction Temperature TJ 0 125 °C ELECTRICAL CHARACTERISTICS The electrical characteristics involve the spread of values guaranteed within the recommended operating conditions. Typical values represent the median values, which are related to 25°C. CGATEH = 3.3nF, CGATEL = 6.8nF (unless otherwise specified). PARAMETER CONDITIONS MIN TYP MAX UNIT Gate Drivers GATEH Source Resistance BOOST – SW = 7V 670 MΩ GATEH Sink Resistance BOOST – SW = 7V 670 MΩ GATEL Source Resistance PVCC – PGND = 7V 670 MΩ GATEL Sink Resistance PVCC – PGND = 7V 300 MΩ GATEH Source Current BOOST = 7V, GATEH = 2.5V, SW = 0V 3 A GATEH Sink Current BOOST = 7V, GATEH = 2.5V, SW = 0V 4 A GATEL Source Current PVCC = 7V, GATEL = 2.5V, SW = 0V 4 A GATEL Sink Current PVCC = 7V, GATEL = 2.5V, SW = 0V 6 A GATEH Rise Time BOOST – SW = 7V, measure 1V to 4V transition time 5 10 ns GATEH Fall Time BOOST – SW = 7V, measure 4V to 1V transition time 4 8 ns GATEL Rise Time PVCC – PGND = 7V, measure 1V to 4V transition time 10 20 ns GATEL Fall Time PVCC – PGND = 7V, measure 4V to 1V transition time 5 10 ns GATEL Low to GATEH High Delay BOOST = PVCC = 7V, SW = PGND = 0V, measure time from GATEL falling to 1V to GATEH rising to 1V 10 15 30 ns GATEH Low to GATEL High Delay BOOST = PVCC = 7V, SW = PGND = 0V, measure time from GATEH falling to 1V to GATEL rising to 1V 10 15 30 ns Disable Pull Down Resistance GATEH to SW, GATEL to PGND 30 80 130 KΩ |
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