Features: Vin, Isolated, Fixed Conversion Ratio Watt Output Vin, Watt

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Features: Vin, Isolated, Fixed Conversion Ratio Watt Output Vin, Watt

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EUS20-120 Model
Features: Vin, Isolated, Fixed Conversion Ratio Watt Output Vin, Watt Output Vin, Industry Standard Brick Footprint Remote Enable (Primary Side, Positive Negative) Over-temperature Over Current Protection Direct Parallel Operation Higher Power RoHS Compliant
Table Input Characteristics Input Voltage Operating Range Input Voltage Absolute Maximum Input Undervoltage Lockout Notes Conditions -0.1 -0.1 Table Output Characteristics Output Voltage Point (Vo=Vin/4 +0/-0.5%) Output Load Regulation Output Voltage Total Regulation Output Ripple Voltage Noise Output Current Operating Range Output Current Share Accuracy Efficiency Turn-On Time Start-up Inhibit Time Transient Response Maximum Output Capacitance Notes Conditions 48.0 Bandwidth Percent deviation from ideal present: Enable Vout Enabled: applied Vout step, 0.1A/s, Recovery Time 95.5 2000 11.94 Typ. 11.98 12.0 13.75 13.25 Units Typ. 37.5 35.5 Units
Input Overvoltage 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 Enable Positive Logic Version Internal pull-down GND.
Turn-on Threshold Turn-off Threshold Hysteresis Voltage Turn-on Threshold Turn-off Threshold Hysteresis Voltage Steady-State out) Enabled state, load Vin) Disabled state Vin) Note (10) State range State range State range State range
Technical enquiries email: sales@murata-ps.com tel: +508 3000
EUS20-120-6200921520.B01 18/04/08
Murata Power Solutions
CONVERTER
EUS20-120 Model
Table
Protection Characteristics Output Over-Current Shutdown Over Temperature Shutdown Over Temperature Restart Hysteresis Notes Conditions Non-Latching Re-start rate Non-Latching Typ. Units msec
Table
General Specifications Isolation Voltage Isolation Resistance Storage Temperature Range Operating Temperature Range Thermal Measurement Location Temperature Material Flammability MTBF Notes Conditions Input Output Input Output Non-condensing Ambient mechanical drawing location 94V-0 Calculated (Bellcore TR-332) Demonstrated 2.28"L 0.9"W 0.48"H (max) (57.9L 22.9W 12.19H max) 2250 Typ. Units Mohm
Dimension Weight
grams
Table
Standards Compliance UL/CSA 60950 EN60950 Notes Conditions Basic Insulation Certified
Notes:
48Vdc, Airflow data unless otherwise noted. Output ripple voltage noise specified when measured with 10uF tantalum ceramic capacitor converter output pins. Transient response specified without capacitor output converter. Product operates with external capacitance significantly greater than specified. However, values higher than 2000uF please contact representative. Thermal shutdown monitored Thermal Measurement Location (TML). `Mechanical Information' page location. `Safety Considerations' shown last page. De-rating curves conducted controlled environment. application testing required ensure Thermal Measurement Location temperature below maximum specified. Recommended airflow direction from (transverse airflow). Current share accuracy optimized when source load impedance presented each converter equal. Input Reflected Ripple specified when measured with 12uH source inductance.
EUS20-120-6200921520.B01 18/04/08
Murata Power Solutions
Mechanical Information
CONVERTER
EUS20-120 Model
Figure
Assignment
Table
Name Vi(+) Vi(-) Vo(-) Vo(+) Function Positive Input Voltage Input Enable Disable Negative Input Voltage Negative Output Voltage Positive Output Voltage Referenced Vi(-). Positive Logic: Floating Enabled Negative Logic: Floating Disabled Notes Conditions
EUS20-120-6200921520.B01 18/04/08
Murata Power Solutions
CONVERTER
EUS20-120 Model
Efficiency Curves
Efficiency Iout
55Vin 48Vin 42Vin 38Vin
Output Voltage Current
EUS20-120-6200921520.B01 18/04/08
Murata Power Solutions
CONVERTER
EUS20-120 Model
Airflow from
Iout Tamb Flow (LFM)
Thermal Derating Curves (Transverse) TTML=120C
Iout Tamb Flow (LFM)
Iout Tamb Flow (LFM)
Iout Tamb Flow (LFM)
Output Power Curves function Ambient Temperature
Ambient Temperature
EUS20-120-6200921520.B01 18/04/08
Murata Power Solutions
Turn-on from (Enable
CONVERTER
EUS20-120 Model
Turn-on from Enable (Vin present)
Figure
Ch1: Vin; Ch2: Vout
Vin=48V, Io=20A, Co=1000uF
Figure
Enable; Ch2: Vout
Vin=48V, Io=20A, Co=1000uF
Output Ripple/Noise
Thermal Image
140.0°C
SP01: 83.4 SP03: 78.0 SP02: 77.0 SP05: 91.2 SP04: 86.7
40.0°C
Figure
Vin=48V, Io=20A
Vripple mVpp
Figure
Vi=48 Iout=20
bottom side
EUS20-120-6200921520.B01 18/04/08
Safety Considerations
series converters certified standards listed `Standards Compliance' section table above. this product built into information technology equipment, installation must comply with above standard. external input fuse recommended), must used meet above requirements. output converter [Vo(+)/Vo(-)] considered remain within SELV limits when input converter meets SELV TNV-2 requirements. converters materials meet 94V-0 flammability ratings.
Figure
Ordering Information
EUS20-120-6200921520.B01 18/04/08

Features: Vin, Isolated, Fixed Conversion Ratio Watt Output Vin, Watt

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