48vin, Isolated, Fixed Conversion Ratio (12v Nominal Out) 240watt Outp

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48vin, Isolated, Fixed Conversion Ratio (12v Nominal Out) 240watt Outp

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48Vin, 12Vout
48vin, Isolated, Fixed Conversion Ratio (12v Nominal Out) 240watt Output Parallel Higher Output Power ±10% Current Share Accuracy Over-Temperature Protection Efficiency Remote Enable (Primary Side) Positive Negative Enable Logic Current Limit Industry Standard Brick Footprint
Table Input Characteristics Input Voltage Operating Range Input Voltage Absolute Maximum Input Undervoltage Lockout Maximum Input Current No-Load Input Current Disabled Input Current Input Reflected Ripple Current Inrush Current Transient Enable Negative Logic Version Internal pull-up 6.2V Enable Positive Logic Version Internal 100K pull-down State Range State Range State Range State Range Table Output Characteristics Output Voltage Point Output Load Regulation Output Voltage Total Regulation Output Ripple Voltage Noise Output Current Operating Range Efficiency Turn-on Time Io=20A, Vin=48V (See curves) present: Enable Vout Bandwidth 95.6 Notes Conditions (Vin/4) (Vin/4) 13.9 Units mVp-p -0.6 -0.6 0.20 Turn-on Threshold Turn-off Threshold Steady-State (20Amp output) Enable state, Load (48Vin) Disabled State (48V input) 36.5 34.5 Notes Conditions 37.6 35.5 Units mArms
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48Vin, 12Vout
Table Output Characteristics Transient Response Maximum Output Capacitance Notes Conditions Step 0.1A/µS, Recovery Time Table Protection Characteristics Output Overcurrent Inception Limit Output Overcurrent Shutdown (Latching after second re-try) Short Circuit Current Overtemperature Shutdown Overtemperature Restart Hysteresis Restart Rate Peak Non-Latching Notes Conditions 1700 Units 3000 Units
Table General Characteristics Isolation Voltage Isolation Resistance Storage Temperature Range Operating Temperature Range Agency Approvals Material Flammability MTBF 60950-1, 60950-1, 60950-1 94V-0 Calculated (RAC PRISM) 50°C Demonstrated Dimensions Weight Horizontal 1.56 2.30"L 1.45"W 0.45"H x106 x106 Notes Conditions Input Output Input Output Non-condensing 2000 Units Mohm
Notes: 48Vdc, 20°C, Airflow 200LFM unless otherwise noted. Input Reflected Ripple Current specified when measured with 120µF electrolytic capacitor across input pins. Output Ripple Voltage specified when measured with 270µF electrolytic 10µF ceramic capacitor converter output pins. De-rating curves conducted controlled environment. application testing required ensure spot temperature below maximum specified. Recommended airflow direction input output crosswise. output input airflow subtract from derating curves. Transient response specified with 270µF electrolytic 10µF ceramic converter output pins.
Celestica Power Systems
1150 Eglington Avenue East Toronto, Ontario 1-866-740-1232
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4607 S.E. International Milwaukie, Oregon 97222 1-971-206-2800
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48Vin, 12Vout
Mechanical Information Horizontal
Figure
Assignment Horizontal
Table Name VIN+ ON/OFF VINVOUTVOUT+ Function Referenced VinPrimary return Secondary return Output, nominal, 20Amp Notes Conditions
Celestica Power Systems
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4607 S.E. International Milwaukie, Oregon 97222 1-971-206-2800
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48Vin, 12Vout
Efficiency Curves
Efficiency Iout
Eff%
out(A)
Figure
Vout Load
Vout Iout
Vout
out(A)
Figure
Celestica Power Systems
1150 Eglington Avenue East Toronto, Ontario 1-866-740-1232
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48Vin, 12Vout
Derating Horizontal Mount
200LFM Load Current Ambient Temp 300LFM 400LFM Load Current Ambient Temp 200LFM 300LFM 400LFM
200LFM Load Current Ambient Temp 300LFM 400LFM Load Current
200LFM 300LFM 400LFM
Ambient Temp
Power Curves 200LFM
Output Power
Ambient Temp
Figure
Celestica Power Systems
1150 Eglington Avenue East Toronto, Ontario 1-866-740-1232
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4607 S.E. International Milwaukie, Oregon 97222 1-971-206-2800
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48Vin, 12Vout
Thermal Performance Horizontal Mount
Figure
Start from Enable
48V, Iout
Figure
48V, Iout
Celestica Power Systems
1150 Eglington Avenue East Toronto, Ontario 1-866-740-1232
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4607 S.E. International Milwaukie, Oregon 97222 1-971-206-2800
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48Vin, 12Vout Transient Response
Iout 0.1A/µS Vout 50mV/div, Iout 5A/div
Figure
Output Voltage Ripple
48V, Iout 20A; 20MHz
Figure
Celestica Power Systems
1150 Eglington Avenue East Toronto, Ontario 1-866-740-1232
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4607 S.E. International Milwaukie, Oregon 97222 1-971-206-2800
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48Vin, 12Vout
Input Ripple
48V, Iout 20A; 20MHz 5mA/div
Figure
Ordering Information QUS20-120-NHDR
Quarter Brick Outline Unregulated Single Output Output Current (20A) Output Voltage (12V) Default Length(L) 0.145" 0.180" Horizontal Positive Enable Logic Negative Enable Logic
Standard Part: QUS20-120-NHBR
Celestica Power Systems
1150 Eglington Avenue East Toronto, Ontario 1-866-740-1232
Innovative Solutions Count
4607 S.E. International Milwaukie, Oregon 97222 1-971-206-2800
www.celesticapower.com

48vin, Isolated, Fixed Conversion Ratio (12v Nominal Out) 240watt Outp

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