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AHE28XXS Datasheet(PDF) 4 Page - International Rectifier |
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AHE28XXS Datasheet(HTML) 4 Page - International Rectifier |
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4 / 8 page  4 www.irf.com AHE28XXS Series Specifications Notes to Specifications 1. Above +125 °C case temperature, derate output power linearly to 0 at 135°C case. 2. Recovery time is measured from the initiation of the transient to where V OUT has returned to within ±1.0% of VOUT at 50% load. See typical waveforms. 3. Turn-on delay time measurement is for either an application of power at the input or a signal at the shutdown pin. 4. For operation at 16VDC, derate output power by 33%. 5. An overload is that condition with a load in excess of the rated load but less than that necessary to trigger the short circuit protection and is the condition of maximum power dissipation. T CASE = -55°C to +105°C, VIN = +28V ± 5% unless otherwise specified Input Voltage 1 -0.5V to +50VDC Power Output Soldering Temperature 300°C for 10 seconds Temperature Range 1 Operating Temperature -55°C to +125°C Storage Case Temperature -65°C to +135°C Absolute Maximum Ratings Internally limited, 17.5W typ. for AHE2805S/HB & CH, 22.5W typ. for AHE281XS/HB & CH Parameter Conditions -55°C ≤ Tc ≤ +125°C Vin = 28 Vdc ±5%,CL = 0 Unless otherwise specified AHE2805S/HB&CH AHE2812S/HB&CH AHE2815S/HB&CH Min Typ Max Min Typ Max Min Typ Max Units Static Characteristic OUTPUT Voltage Current Ripple Accuracy Power 1 VIN=17 to 40 VDC IOUT=0 to Full Load Full Load, DC to 1MHz TCASE = 25°C, IOUT = 0 4.90 0.0 4.95 15 5.00 20 5.00 5.10 3000 60 5.05 11.76 0.0 11.88 20 12.00 30 12.00 12.24 1667 60 12.12 14.70 0.0 14.85 20 15.00 30 15.00 15.30 1333 60 15.15 VDC mADC mVp-p VDC W REGULATION Line Load VIN = 17 to 40 VDC TCASE = 25 °C IOUT = 0 to Full Load 10 5.0 50 50 30 120 50 35 150 mV INPUT Voltage Range4 Current Ripple Current Inhibited No Load Full Load 17 28 8.0 20 40 18 35 50 17 28 8.0 25 40 18 35 50 17 28 8.0 25 40 18 35 50 VDC mADC mADC mV p-p Efficiency TCASE = +25 °C 80 82 80 83 80 84 % Capacitive Load No effect on performance 500 1000 200 1000 200 1000 µF Load fault power dissipation 5 Short Circuit TC =25 °C Overload TC = 25°C 4.5 6.0 4.5 6.0 4.5 6.0 W Isolation Input to Output @ 500Vdc 100 100 100 M Ω Dynamic Characteristic Step Load Changes Output TC =25 °C Transient 50% Load 100% Load No Load 50% Load ±150 -300 ±300 -500 ±200 -400 ±300 -500 ±200 -400 ±300 -500 mVpk mVpk 50% Load No Load +300 +500 +400 +500 +400 +500 mVpk Recovery2 50% Load 100% Load No Load 50% Load 50% Load No Load 25 100 70 200 5.0 25 500 70 1500 5.0 25 500 70 1500 5.0 µs µs ms Step Line Changes Output TC = 25°C Transient Recovery 2 Input step 17 to 40VDC Input step 40 to 17VDC Input step 17 to 40VDC Input step 40 to 17VDC +180 -600 400 400 +300 1000 800 800 +180 -600 400 400 +500 -1500 800 800 +180 -600 400 400 +500 -1500 800 800 mVpk mVpk µs µs TURN –ON Overshoot Delay 3 VIN = 17 to 40VDC IOUT = 0 to Full Load 0 8.0 550 10 300 8.0 600 10 300 8.0 500 10 mVpk ms Load Fault Recovery 4 VIN = 17 to 40VDC 8.0 10 8.0 10 8.0 10 ms Weight Standard Package Flange Package 55 58 55 58 55 58 g |
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