Delta Electronics H48SL Design Considerations, Input Source Impedance, Safety Considerations

Contents OPTIONS FEATURESAPPLICATIONS DATASHEET DSH48SL1R56010302006INPUT CHARACTERISTICS TECHNICAL SPECIFICATIONSOUTPUT CHARACTERISTICS DYNAMIC CHARACTERISTICSELECTRICAL CHARACTERISTICS CURVES For Positive Remote On/Off Logic For Negative Remote On/Off LogicFigure 5 Turn-on transient at zero load current 2 ms/div. Top Figure 7 Turn-on transient at zero load current 2 ms/div. TopFigure 8 Output voltage response to step-change in load current 75%-50%-75% of Io, max di/dt = 0.1A/µs. Load cap 10µF, tantalum capacitor and 1µF ceramic capacitor. Top Trace Vout 100mV/div, Bottom Trace Iout 10A/div. Scope measurement should be made using a BNC cable length shorter than 20 inches. Position the load between 51 mm to 76 mm 2 inches to 3 inches from the module Figure 13 Output voltage noise and ripple measurement test setup Figure 14 Output voltage ripple at nominal input voltage and THERMAL CURVES NO HEATSINK, EITHER ORIENTATION Soldering and Cleaning Considerations Safety ConsiderationsDESIGN CONSIDERATIONS Input Source ImpedanceOver-Current Protection FEATURES DESCRIPTIONSOver-Voltage Protection Over-Temperature ProtectionFEATURES DESCRIPTIONS CON Output Voltage Adjustment TRIM⎝ ∆% Thermal Testing Setup THERMAL CONSIDERATIONSThermal Derating MECHANICAL DRAWING Pin SpecificationName FunctionPART NUMBERING SYSTEM WARRANTYMODEL LIST MODEL NAME