Electrical Characteristics Curves | Delta Electronics H48SL instruction

Figure 13: Output voltage noise and ripple measurement test setup

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 (1A/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(+)

Vo(-)

Copper Strip

10u	1u	SCOPE	RESISTIVE
			LOAD

Figure 13: Output voltage noise and ripple measurement test setup

DS_H48SL1R560_10302006

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Delta Electronics H48SL manual Electrical Characteristics Curves, Output voltage noise and ripple measurement test setup

Contents

APPLICATIONS FEATURESOPTIONS DATASHEET DSH48SL1R56010302006 OUTPUT CHARACTERISTICS TECHNICAL SPECIFICATIONSINPUT CHARACTERISTICS DYNAMIC CHARACTERISTICS ELECTRICAL CHARACTERISTICS CURVES Figure 5 Turn-on transient at zero load current 2 ms/div. Top For Negative Remote On/Off LogicFor Positive Remote On/Off Logic Figure 7 Turn-on transient at zero load current 2 ms/div. Top Figure 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 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 MODEL NAME