Delta-electronics Series 240W User Manual

DATASHEET DS_E48SB9R625_05222008 FEATURES  High efficiency: 96.5% @ 9.6V/25A  Size: 58.4mm x 22.8mm x 11.4mm (2.30” x 0.90” x 0.45”)  In

DS_E48SB9R625_05222008 10 MECHANICAL DRAWING Pin No. Name Function1 2 3 4 5 +Vin ON/OFF -Vin -Vout +Vout Positive input voltage Remote ON/OFF

DS_E48SB9R625_05222008 11 PART NUMBERING SYSTEM E 48 S B 9R6 25 N R F A Type of Product Input Voltage Number of Outputs Product Series Output

DS_E48SB9R625_05222008 2 TECHNICAL SPECIFICATIONS (TA=25°C, airflow rate=300 LFM, Vin=48Vdc, nominal Vout unless otherwise noted.) PARAMETER NOTES

DS_E48SB9R625_05222008 3 ELECTRICAL CHARACTERISTICS CURVES Figure 1: Efficiency vs. load current for minimum, nominal, and maximum input voltage at

DS_E48SB9R625_05222008 4 ELECTRICAL CHARACTERISTICS CURVES For Negative Remote On/Off Turn on Waveform Figure 4: Turn-on transient at full rated lo

DS_E48SB9R625_05222008 5 ELECTRICAL CHARACTERISTICS CURVES Figure 8: Output voltage response to step-change in load current (50%-75%-50% of Io,

DS_E48SB9R625_05222008 6 ELECTRICAL CHARACTERISTICS CURVES Figure 11: Input Terminal Ripple Current, ic, at full rated output current and nominal

DS_E48SB9R625_05222008 7 DESIGN CONSIDERATIONS Input Source Impedance The impedance of the input source connecting to the DC/DC power modules wil

DS_E48SB9R625_05222008 8 DESIGN CONSIDERATIONS Current Sharing The modules are capable of operating in parallel without any external current sha

DS_E48SB9R625_05222008 9 THERMAL CONSIDERATIONS Thermal management is an important part of the system design. To ensure proper, reliable operatio