NV1453TTN3 TDK Corporation, NV1453TTN3 Datasheet

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NV175 Application notes 3.6.doc -175 AC/DC Power Supply Series APPLICATION NOTE Document Number 69493 B Page ...

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INPUT ..................................................................................................................................3 AC INPUT LINE REQUIREMENTS.................................................................................................... OUTPUT ........................................................................................................................3 OUTPUT VOLTAGES........................................................................................................................ 3 REMOTE SENSE............................................................................................................................... 3 EFFICIENCY...................................................................................................................................... 4 NO LOAD OPERATION .................................................................................................................... 4 SERIES/PARALLEL CONNECTION ................................................................................................. 4 OUTPUT CHARACTERISTICS.......................................................................................................... 5 Ripple/Noise ....................................................................................................................................................... 5 +5/+3.3V POWER SEQUENCING FOR NV-175 ...

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INPUT AC INPUT LINE REQUIREMENTS See datasheet for specification of input line requirements (including Input voltage range, Input frequency, Input harmonics, Input current and leakage current) The power supply will automatically recover from AC power loss and shall be ...

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EFFICIENCY Note that the following charts show the efficiencies when the power supply is loaded with typical customer loads (multi output). Even better efficiencies are possible if the unit is used as a single output power supply. 0.87 0.85 0.83 ...

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OUTPUT CHARACTERISTICS Ripple/Noise Ripple and noise is defined as periodic or random signals over a frequency range of 10Hz to 20MHz. Measurements are to be made with an 20MHz bandwidth oscilloscope. Measurements are taken at the end of a 150mm ...

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POWER SEQUENCING FOR NV-175 The +5V output level is equal to or greater then the +3.3V output at all times during power up and normal operation. POWER SUPPLY TIMING Vac 85% Ch1 10% Ch1 Good Power Good (-N, -N1 ...

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POWER SUPPLY TIMING (-N3 & -N4 Versions Vac TTL Logic High ATX Remote On/Off TTL Logic Low 85% Ch1 10% ATX Power Good NV175 Application notes 3.6.doc min max Description T1 500ms Power-on time ...

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SIGNALS Important note: The pin numbers referenced in this section relate to the standard output connector version. For pin numbering of the right angled output connector variant, please see the “Pin Definition” section. STANDBY SUPPLY (+ Output) (J1-12) STANDBY SUPPLY ...

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Signal Type Logic Level Low Logic Level High High State Output Impedance ATX Power Good delay ATX Power Good rise time Power down warning Note: No additional pull up resistor is required for this signal. CH1 POWER GOOD – CHANNEL ...

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ATX REMOTE ON/OFF – GLOBAL ON/OFF (J1-23) A TTL logic level high or open circuit will inhibit all outputs (except Standby). Maximum input voltage – 5V Maximum current required for Logic High – 1mA ATX Remote On/Off J1-23 Common 0V ...

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COOLING REQUIREMENTS Forced Air Cooling The maximum continuous rating of all DC outputs combined in 175Watts with a minimum of 2m/s of forced-air cooling across the power supply. The recommended air flow direction is from input to output. Natural Convection ...

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TEMPERATURE DERATING NV-175 achieves full power output up to 50° C. Above this temperature, the total output power (and individual output currents) must be derated by 2.5%/° 70° C. See diagram below. 200 180 160 140 120 ...

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Installation for optimum EMC performance Mounting All equipment should be mounted inside an earthed metal box. If this is not possible then use an earthed metal plane to mount the power supply and load. All 4 corners (of the uncased ...

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RELIABILITY Calculated using Telcordia Issue 1, Case 3 FPMH (Failures per million hours) Temperature 0° C Main Assembly 0.42 Channel 2 0.10 Channel 3 0.07 Channel 4 (‘xH’ type) 0.075 Primary Option 0.19 Fan 2.396 To calculate MTBF, sum the ...

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CONNECTION Input Input housing is Molex part number 09-50-8051 (or equivalent part from alternative manufacturer) The Molex part number for the crimps is 08-52-0113 (or equivalent part from alternative manufacturer) 25 housings and 75 crimps are available as a single ...

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MOUNTING The NV-175 can be mounted in any orientation but must be mounted on all four corners. ‘-C’ (covered) and ‘-U’ (U chassis) versions to be mounted using all four fixings on the bottom of the unit or the fixing ...