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DCM4623XC8G16F0YZZ Datasheet(PDF) 6 Page - Vicor Corporation |
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DCM4623XC8G16F0YZZ Datasheet(HTML) 6 Page - Vicor Corporation |
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6 / 26 page  DCM™ DC-DC Converter Rev 1.1 vicorpower.com Page 6 of 26 01/2017 800 927.9474 DCM4623xC8G16F0yzz Electrical Specifications (Cont.) Specifications apply over all line in VIN-EXTENDED, trim and load conditions, internal temperature TINT = 25ºC, unless otherwise noted. Boldface specifications apply over the temperature range of -40ºC < TINT < 125ºC. Attribute Symbol Conditions / Notes Min Typ Max Unit Power Output Specifications (Cont.) Output capacitance (internal) COUT-INT Effective value at nominal output voltage 72 µF Output capacitance (internal) ESR RCOUT-INT At 1MHz 0.06 mΩ Output capacitance (external) COUT-EXT Electrolytic Capacitor preferred. Excludes component tolerances and temperature coefficient 1000 10000 µF Output capacitance, ESR (ext.) RCOUT-EXT At 10kHz, excludes component tolerances 10 mΩ Initialization delay tINIT After input voltage first exceeds VIN-INIT 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 Start-up setpoint aquisition time tSS Full load (soft-start ramp time) with minimum COUT-EXT 5.0 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 0.1 A Monotonic soft-start threshold voltage VOUT-MONOTONIC At startup, the DCM output voltage rise becomes monotonic with a minimum of 25% pre-load once it crosses VOUT-MONOTONIC, standalone or as a member in an array 10.5 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 COUT_EXT = min; (10 ↔ 90% load step), excluding load line. Load slew rate < 43.5A/ms <10 % Settling time tSETTLE <0.5 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 VIN undervoltage Turn-OFF VIN-UVLO- 130 155 V VIN undervoltage Turn-ON VIN-UVLO+ See Timing diagram 200 V VIN overvoltage Turn-OFF VIN-OVLO+ 450 V VIN overvoltage Turn-ON VIN-OVLO- See Timing diagram 380 V Output overvoltage threshold VOUT-OVP From 25% to 100% load. Latched shutdown. Primary sensed output voltage only 17.2 V Output overvoltage threshold VOUT-OVP-LL From 0% to 25% load. Latched shutdown. Primary sensed output voltage only 18.0 V Minimum current limited VOUT VOUT-UVP Over all operating steady-state line and trim conditions 6 V Overtemperature threshold (internal) TINT-OTP 125 °C Power limit PLIM 880 W VIN overvoltage to cessation of powertrain switching tOVLO-SW Independent of fault logic 1 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 |
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