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DIM050300SFA Datasheet(PDF) 2 Page - Delta Electronics, Inc. |
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DIM050300SFA Datasheet(HTML) 2 Page - Delta Electronics, Inc. |
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2 / 13 page  PRELIMINARY DATASHEET DS_DIM3R3_08292008 2 TECHNICAL SPECIFICATIONS (TA=25°C, airflow rate=300 LFM, Vin=-48Vdc, nominal Vout unless otherwise noted;) PARAMETER NOTES and CONDITIONS DIM3R3300 (Standard) Min. Typ. Max. Units ABSOLUTE MAXIMUM RATINGS Input Voltage Continuous 0 -48 -75 Vdc Transient 10 μs -100 Vdc Operating Case Temperature Please refer to Fig.13 for the measuring point, Tc -40 117 °C Storage Temperature -55 125 °C ISOLATION Input to MGMT_PWR Output Voltage 1500 Vdc Input to SHELF_GND Voltage 1500 Vdc Input to LOGIC_GND Voltage 1500 Vdc LOGIC_GND to SHELF_GND Insulation Resistance 100Vdc 10 M Ω GENERAL SPECIFICATIONS Calculated MTBF Pin=240W, Vin=-48V TBD Mhours Over-Temperature Shutdown Refer to Figure 13 for the measuring point, Tc 130 °C Weight 27 grams MAIN INPUT (DUAL FEED) CHARACTERISTICS Operation Input Voltage Range -36 -75 V Input UVLO Turn-On Voltage Threshold VRTN_OUT open load -34.5 -35.3 -36 Vdc Turn-Off Voltage Threshold VRTN_OUT open load -32.5 -33.3 -34 Vdc Input OVP Vdc Turn-On Voltage Threshold VRTN_OUT open load -78 -79.8 -81.5 Vdc Turn-Off Voltage Threshold VRTN_OUT open load -80 -81.8 -83.5 Vdc Off Converter Input Current Vin < UVLO voltage 10 mA Maximum Input Current Pin=300W, Vin=0 to -75V 9.5 A POWER & MAIN OUTPUT (-48V output) Input Power, Maximum Allowable 300 W Efficiency Pin=300W, MGMT_PWR/BLUE_LED_PWR no load 97 98 % Efficiency Pin=300W, MGMT_PWR=8W, BLUE_LED_PWR =0.5W 96 97 % Total Power Dissipation Pin=300W, MGMT_PWR=8W, BLUE_LED_PWR=0.5W 10 W Management Power, Maximum Deliverable 8 W Module Standby Current Pout=0W, MGMT_PWR=0W, BLUE_LED_PWR=0W Vin=-36V, 80 mA Vin=-48V, 45 mA Vin=-75V 40 mA Main Output External Output Filter Capacitance 200 330 μF HOT SWAP Inrush Transient Pin=300W, Vin=-75V, MGMT_PWR=0, BLUE_LED_PWR=0W 0~0.9mS 42.5 A 0.9~3mS 17 A 3~100mS 8.5 A INPUT A/B FEED LOSS / FUSE ALARM Alarm ON Input Voltage Threshold -36 -36.8 -37.9 % Alarm Off Input Voltage Threshold -37.3 -37.5 -37.7 % Opto Transistor Collector to Emitter Voltage 40 Vdc Opto Transistor Collector to Emitter Dark Current Opto Diode current, Id = 0A 100 nA Opto Transistor Collector Saturation Voltage 0.3 V HOLD UP CAPACITANCE INTERFACE Hold-up Capacitor Voltage Accuracy -70 72 -74 V Hold-up Capacitor Charge Current 24 mA Minimum Hold-up Capacitance (C_HOLD) 47 μF 72V_CAP ON Input Voltage Threshold -36 -37 -38 V 72V_CAP OFF Input Voltage Threshold -36.6 -37.6 -38.6 V |
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