Delta Electronics Series S48SP manual Input reflected ripple current, is, through a 12µH

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ELECTRICAL CHARACTERISTICS CURVES

Vo(+)

0

Vo(-)

Copper Strip

10u	1u	SCOPE	RESISTIV
			LOAD

Figure 12: Input reflected ripple current, is, through a 12µH	Figure 13: Output voltage noise and ripple measurement test
source inductor at nominal input voltage and rated load current	setup
(20 mA/div, 1us/div)

0

Figure 14: Output voltage ripple at nominal input voltage and rated load current (Io=10A)(20 mV/div, 1us/div)

Load capacitance: 1µF ceramic capacitor and 10µF tantalum

capacitor. Bandwidth: 20 MHz. Scope measurements 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 15: Output voltage vs. load current showing typical current limit curves and converter shutdown points

DS_S48SP3R310_05222008

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Contents Features Technical Specifications ParameterElectrical Characteristics Curves Typical full load input characteristics at room temperatureFor Negative Remote On/Off Logic Electrical Characteristics Curves Input reflected ripple current, is, through a 12µH Design Considerations Input Source ImpedanceOver-Current Protection Features DescriptionsOver-Temperature Protection Remote On/OffFeatures Descriptions CON Output Voltage AdjustmentThermal Curves Thermal Testing SetupThermal Considerations Thermal DeratingPick and Place Location Recommended PAD Layout SMDLeaded Sn/Pb Process Recommend TEMP. Profile Lead Free SAC Process Recommend TEMP. ProfileMechanical Drawing Name FunctionPart Numbering System Model List