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LS2812SCKA Scheda tecnica(PDF) 4 Page - International Rectifier |
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LS2812SCKA Scheda tecnica(HTML) 4 Page - International Rectifier |
4 / 16 page 4 www.irf.com LS-SERIES (28V Input, Single/Dual Output) Electrical Performance Characteristics ( continued ) For Notes to Electrical Performance Characteristics, refer to page 5 Limits Parameter Group A Subgroup Conditions -55 °C ≤ TC ≤ +85°C VIN = 28V DC ± 5%, CL = 0 unless otherwise specified Min Nom Max Unit Input Current, no load ( IIN) LS2801R5S LS2802R5S LS2803R3S LS2805S LS2812S LS2815S LS2805D LS2812D LS2815D 1,2,3 IOUT = 0, Pin 4 open 60 60 60 70 70 70 70 100 100 mA Input current inhibited 1,2,3 Pin 4 shorted to pin 2 8.0 mA Output Ripple, ( VRIP) LS2801R5S LS2802R5S LS2803R3S LS2805S LS2812S LS2815S LS2805D LS2812D LS2815D 1,2,3 VIN = 18, 28, 40 Volts IOUT = 100% rated load Notes 4, 6 35 35 35 50 70 80 80 80 80 mV p-p Switching frequency ( FS ) 1,2,3 425 500 575 KHz Efficiency ( EFF ) LS2801R5S LS2802R5S LS2803R3S LS2805S LS2812S LS2815S LS2805D LS2812D LS2815D 1,2,3 IOUT = 100% rated load Note 4 61 68 72 78 78 78 79 79 79 64 72 76 82 82 82 83 83 83 % Enable Input ( Inhibit Function ) open circuit voltage drive current ( sink ) voltage range Note 1 9.5 -0.5 12 5.0 50 V mA V Current Limit Point Expressed as a percentage of full rated load current 1,2,3 Vout = 90% of Nominal, Note 4 105 145 % Power dissipation, load fault (PD) 1,2,3 Short Circuit, Overload, Note 8 14 W Output response to step load changes (VTLD) 4,5,6 Half Load to/from Full Load, Notes 4,9 -300 300 mV pk Recovery time, step load changes (TTLD) 4,5,6 Half Load to/from Full Load, Note 4,9,10 200 µs Output response to step line changes (VTLN) 18V to/from 40V IOUT = 100% rated load, Notes 1,4,11 -300 300 mV pk Recovery Time, step line changes (TTLN) 18V to/from 40V IOUT = 100% rated load, Notes 1,4,10,11 200 µs |
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