Delta-electronics E48SR12007 Manual de usuario Pagina 1

DATASHEET DS_E48SR12007_05222008 FEATURES  High efficiency: 92.0% @ 12V/7A  Size: 58.4mmx22.80mmx8.4mm (2.30”x0.90”x0.33”)  Standard f

E48SR12007_05222008 10 THERMAL CONSIDERATIONS Thermal management is an important part of the system design. To ensure proper, reliable operation,

E48SR12007_05222008 11 PICK AND PLACE LOCATION SURFACE-MOUNT TAPE & REEL RECOMMENDED PAD LAYOUT (SMD)

E48SR12007_05222008 12 LEADED (Sn/Pb) PROCESS RECOMMEND TEMP. PROFILE Time ( sec. ) Pre-heat temp. 140~180°C 60~120 sec. Peak temp. 210~230°C 5se

E48SR12007_05222008 13 MECHANICAL DRAWING (WITHOUT HEATSPREADER) Surface-mount module Through-hole module

E48SR12007_05222008 14 MECHANICAL DRAWING (WITH HEATSPREADER) THROUGH-HOLE MODULE

E48SR12007_05222008 15 PART NUMBERING SYSTEM E 48 S R 120 07 N R F A Type of Product Input Voltage Number of Outputs Product Series Output

E48SR12007_05222008 2 TECHNICAL SPECIFICATIONS (TA=25°C, airflow rate=300 LFM, Vin=48Vdc, nominal Vout unless otherwise noted.) PARAMETER NOTES an

E48SR12007_05222008 3 ELECTRICAL CHARACTERISTICS CURVES Figure 1: Efficiency vs. load current for minimum, nominal, and maximum input voltage at 25

E48SR12007_05222008 4 ELECTRICAL CHARACTERISTICS CURVES For Negative Remote On/Off Logic Figure 4: Turn-on transient at full rated load current (re

E48SR12007_05222008 5 ELECTRICAL CHARACTERISTICS CURVES Figure 8: Output voltage response to step-change in load current (75%-50%-75% of Io, max;

E48SR12007_05222008 6 ELECTRICAL CHARACTERISTICS CURVES Figure 12: Input reflected ripple current, is, through a 12µH source inductor at nominal i

E48SR12007_05222008 7 DESIGN CONSIDERATIONS Input Source Impedance The impedance of the input source connecting to the DC/DC power modules will i

E48SR12007_05222008 8 FEATURES DESCRIPTIONS Over-Current Protection The modules include an internal output over-current protection circuit, whic

E48SR12007_05222008 9 FEATURES DESCRIPTIONS (CON.) Output Voltage Adjustment (TRIM) To increase or decrease the output voltage set point, the mod