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ARH2805R2SCK Datasheet(PDF) 3 Page - International Rectifier |
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ARH2805R2SCK Datasheet(HTML) 3 Page - International Rectifier |
3 / 12 page www.irf.com 3 ARH28XXS Series 28V Input, Single Output For Notes to Specifications, refer to page 4 Electrical Performance -55°C < T CASE < +125°C, VIN = 28V±5%, CL = 0 unless otherwise specified. (Continued) Parameter Symbol Test Conditions Limit MIN Limit MAX Units Input ripple current Note 5 IRIP 18 Vdc < VIN < 50Vdc, IOUT = IMAX 100 mAp.p Switching frequency FS Synchronization input open. (pin 6) 225 275 KHz Efficiency ARH2802R5S ARH2803R3S ARH2805S ARH2805R2S ARH2812S ARH2815S Eff IOUT = IMAX, TC = +25 °C 72 75 76 76 80 80 % Enable Input open circuit voltage drive current (sink) voltage range 3.0 -0.5 5.0 100 50 V µA V Synchronization Input frequency range pulse high level pulse low level pulse rise time pulse duty cycle External clock signal on Sync. input (pin 4) 225 3.5 -0.5 40 20 310 10 0.25 80 KHz V V V/ µs % Synchronization Output pulse high level Signal compatible with Synchronization Input 3.7 4.3 V Power dissipation, Short circuit ARH2802R5S ARH2803R3S & ARH2805S All Others PD Short circuit on output 10 12 9.5 W Output response to step load changes Note 8 ARH2802R5S ARH2803R3S ARH2805S ARH2805R2S ARH2812S ARH2815S VTLD 50% Load ⇔ 100% load -200 -200 -200 -200 -300 -350 200 200 200 200 300 350 mVPK Recovery time from step load changes Notes 8, 9 ARH2802R5S ARH2803R3S ARH2805S ARH2805R2S ARH2812S ARH2815S TTLD 50% Load ⇔ 100% load 200 200 200 200 200 200 µs Output response to step line changes Notes 7, 10 ARH2802R5S ARH2803R3S ARH2805S ARH2805R2S ARH2812S ARH2815S VTLN IOUT = IMAX, VIN = 18 V to/from 50 V -180 -180 -250 -250 -450 -900 180 180 250 250 450 900 mVPK |
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