Electrical Characteristics Curves | Delta Electronics Series H48SV

ELECTRICAL CHARACTERISTICS CURVES

Figure 11: Input Terminal Ripple Current, ic, at full rated output current and nominal input voltage with 12µH source impedance and 33µF electrolytic capacitor (200 mA/div).

Figure 12: Input reflected ripple current, is, through a 12µH source inductor at nominal input voltage and rated load current (20 mA/div).

Vo(+)

Copper Strip

10u	1u	SCOPE	RESISTIVE
			LOAD

Vo(-)

Figure 13: Output voltage noise and ripple measurement test setup

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Delta Electronics Series H48SV manual Electrical Characteristics Curves, Copper Strip, Scope, Load

Contents

APPLICATIONS FEATURESOPTIONS DATASHEET DSH48SV0502008102007 OUTPUT CHARACTERISTICS TECHNICAL SPECIFICATIONSINPUT CHARACTERISTICS DYNAMIC CHARACTERISTICS ELECTRICAL CHARACTERISTICS CURVES For Negative Remote On/Off Logic For Positive Remote On/Off Logic Figure 8 Output voltage response to step-change in load current 50%-75%-50% of Imax dI/dt = 0.1A/µs.Vin=48V. Load cap 10µF, tantalum capacitor and 1µF ceramic capacitor. Top trace Vout 100mV/div, Bottom trace Iout 5A/div. Scope measurement should be made using a BNC cable length shorter than 20 inch. Position the load between 51 mm and 76 mm 2 inches and 3 inches from the module Copper Strip SCOPELOAD OUTPUT VOLTAGE Vin=48VLOAD CURRENT A Figure 18 Output current vs. ambient temperature and air THERMAL CURVES NO HEATSINKFigure 19 Power dissipation vs. ambient temperature and air velocity V in=75V DESIGN CONSIDERATIONS Safety ConsiderationsSoldering and Cleaning Considerations Input Source Impedance Over-Voltage Protection FEATURES DESCRIPTIONSOver-Current Protection Over-Temperature Protection FEATURES DESCRIPTIONS CON Output Voltage Adjustment TRIM Thermal Testing Setup THERMAL CONSIDERATIONSThermal Derating Name Pin SpecificationMECHANICAL DRAWING Function MODEL LIST WARRANTYPART NUMBERING SYSTEM EFF @ 100% LOAD