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DCM18AP240T320WA50 Datasheet(PDF) 6 Page - Vicor Corporation |
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DCM18AP240T320WA50 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 07/2015 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 40 250 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 12.0 V IOUT at startup IOUT-START Max load current at startup while VOUT is below VOUT-FL_THRESH 1.33 A Monotonic soft-start threshold voltage VOUT-MONOTONIC Output voltage rise becomes monotonic with 10% of preload once it crosses VOUT-MONOTONIC 12.0 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 10.0 ms Powertrain Protections Input Voltage Initialization threshold VIN-INIT Threshold to start tINIT delay 6 V Input Voltage Reset threshold VIN-RESET Latching faults will clear once VIN falls below VIN-RESET 3 V Input undervoltage recovery threshold VIN-UVLO- 10 17 V Input undervoltage lockout threshold VIN-UVLO+ See Timing diagram 18 V Input overvoltage lockout threshold VIN-OVLO+ 45 V Input overvoltage recovery threshold VIN-OVLO- See Timing diagram 36 V Output overvoltage threshold VOUT-OVP From 25% to 100% load. Latched shutdown 30.0 V Output overvoltage threshold VOUT-OVP-LL From 0% to 25% load. Latched shutdown 31.2 V Minimum current limited VOUT VOUT-UVP Over all operating steady-state line and trim conditions 9 V Overtemperature threshold (internal) TINT-OTP 125 °C Power limit PLIM 530 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 DCM24AP240x320A50 |
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