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DCM420P280T500A40 Datasheet(PDF) 6 Page - Vicor Corporation |
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DCM420P280T500A40 Datasheet(HTML) 6 Page - Vicor Corporation |
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6 / 25 page  DCM™ DC-DC Converter Rev 1.1 vicorpower.com Page 6 of 25 10/2015 800 927.9474 Electrical Specifications (cont.) Specifications apply over all line, trim and load conditions, internal temperature TINT = 25ºC, unless otherwise noted. Boldface specifications apply over the temperature range of -40°C < TINT < 125°C for T grade and -55°C < TINT < 125°C for M grade. Attribute Symbol Conditions / Notes Min Typ Max Unit Power Output Specifications (Cont.) Output capacitance, ESR (ext.) RCOUT-EXT At 10 kHz, excludes component tolerances 10 m Ω Initialization delay tINIT See state diagram 25 40 ms Output turn-on delay tON From rising edge EN, with VIN pre-applied. See timing diagram 200 µs Output turn-off delay tOFF From falling edge EN. See timing diagram 600 µs Soft start ramp time tSS At full rated resistive load. Typ spec is 1-up with min COUT-EXT. Max spec is for arrays with max COUT-EXT 25 100 ms VOUT threshold for max rated load current VOUT-FL-THRESH During startup, VOUT must achieve this threshold before output can support full rated current 10.5 V IOUT at startup IOUT-START Max load current at startup while VOUT is below VOUT-FL_THRESH 1.78 A Monotonic soft-start threshold voltage VOUT-MONOTONIC Output voltage rise becomes monotonic with 25% of preload once it crosses VOUT-MONOTONIC 14.0 V Minimum required disabled duration tOFF-MIN This refers to the minimum time a module needs to be in the disabled state before it will attempt to start via EN 2 ms Minimum required disabled duration for predictable restart tOFF-MONOTONIC This refers to the minimum time a module needs to be in the disabled state before it is guaranteed to exhibit monotonic soft-start and have predictable startup timing 100 ms Voltage deviation (transient) %VOUT-TRANS Minimum COUT_EXT (10 ↔ 90% load step), excluding load line. <10 % Settling time tSETTLE 14.0 ms Powertrain Protections Input Voltage Initialization threshold VIN-INIT Threshold to start tINIT delay 75 V Input Voltage Reset threshold VIN-RESET Latching faults will clear once VIN falls below VIN-RESET 50 V Input undervoltage recovery threshold VIN-UVLO- 120 190 V Input undervoltage lockout threshold VIN-UVLO+ See Timing diagram 200 V Input overvoltage lockout threshold VIN-OVLO+ 455 V Input overvoltage recovery threshold VIN-OVLO- See Timing diagram 420 V Output overvoltage threshold VOUT-OVP From 25% to 100% load. Latched shutdown 35.5 V Output overvoltage threshold VOUT-OVP-LL From 0% to 25% load. Latched shutdown 36.5 V Minimum current limited VOUT VOUT-UVP Over all operating steady-state line and trim conditions 10 V Overtemperature threshold (internal) TINT-OTP 125 °C Power limit PLIM 773 W VIN overvoltage to cessation of powertrain switching tOVLO-SW Independent of fault logic 1.4 µs VIN overvoltage response time tOVLO For fault logic only 200 µs VIN undervoltage response time tUVLO 100 ms Short circuit response time tSC Powertrain on, operational state 200 µs Short circuit, or temperature fault recovery time tFAULT See Timing diagram 1 s DCM300P280x500A40 |
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