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AHF2812D Datasheet(PDF) 5 Page - International Rectifier |
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AHF2812D Datasheet(HTML) 5 Page - International Rectifier |
5 / 17 page www.irf.com 5 AHF28XX Series Table II. Electrical Performance Characteristics - continued AHF2812S Notes to Specifications 1. Parameter guaranteed by line and load regulation tests. 2. Bandwidth guaranteed by design. Tested for 20 kHz to 2 MHz. 3. Capacitive load may be any value from 0 to the maximum limit without compromising dc performance. A capacitive in excess of the maximum limit will not disturb loop stability but may interfere with the operation of the load fault detection circuitry, appearing as a short circuit during turn-on. 4. Parameter shall be tested as part of design characterization and after design or process changes. Thereafter, parameters shall be guaranteed to the limits specified in Table II. 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. 6. Load step transition time between 2 and 10 microseconds. 7. Recovery time is measured from the initiation of the transient to where V OUT has returned to within ±1 percent of V OUT at 50 percent load. 8. Input step transition time between 2 and 10 microseconds. 9. Turn-on delay time measurement is for either a step application of power at the input or the removal of a ground signal from the inhibit pin (pin 1) while power is applied to the input is unlimited. Limits Test Symbol Conditions -55°C ≤ Tc ≤ +125°C Vin = 28 Vdc ±5%, C L = 0 unless otherwise specified Group A Subgroups Device Types Min Max Unit 50 mA to/from 1000mA 4 01 -300 +300 5,6 -450 +450 0 mA to/from 500mA 4 -500 +500 Output response to step transient load changes 6 VO TLOAD 5,6 -750 +750 mV pk TT LOAD 50 mA to/from 1000mA 4,5,6 100 0 mA to 500 mA 4,5,6 1500 µs Recovery time step transient load changes 6,7 500 mA to 0 mA 4,5,6 01 10 ms Output response to transient step line changes VO TLINE Input step 16 V to/from 40 V dc, I OUT =1000mA 4, 8 4,5,6 01 1500 mV pk Recovery time transient step line changes TT LINE Input step 16 V to/from 40Vdc I OUT =1000mA 4, 7, 8 4,5,6 01 800 µs Turn on overshoot VTon OS I OUT = 0 and 1000mA 4,5,6 01 600 mV pk Turn on delay Ton D I OUT = 0 and 1000mA 9 4,5,6 01 20 ms Load fault recovery 4,9 Tr LF 4,5,6 01 20 ms Weight 35 grams |
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