Delta Electronics E48SR manual Output voltage noise and ripple measurement test setup

Page 6

ELECTRICAL CHARACTERISTICS CURVES

0		0

Figure 11: Input Terminal Ripple Current, ic, at full rated output current and nominal input voltage with 12µH source impedance and 33µF electrolytic capacitor (500 mA/div,2us/div)

Figure 12: Input reflected ripple current, is, through a 12µH source inductor at nominal input voltage and rated load current (20 mA/div,2us/div)

Vo(+)

Vo(-)

Copper Strip

10u	1u	SCOPE	RESISTIVE
			LOAD

Figure 13: Output voltage noise and ripple measurement test setup

DS_E48SR15004_05222008

6

Image 6

Contents Options Technical Specifications ParameterElectrical Characteristics Curves Typical full load input characteristics at room temperatureFor Negative Remote On/Off Logic For Positive Remote On/Off LogicElectrical Characteristics Curves Output voltage noise and ripple measurement test setup Electrical Characteristics Curves Design Considerations Safety ConsiderationsSoldering and Cleaning Considerations Input Source ImpedanceFeatures Descriptions Features Descriptions CON Output Voltage Adjustment TrimThermal Testing Setup Thermal Derating Thermal ConsiderationsThermal Curves Pick and Place Location Recommended PAD Layout SMDLeaded Sn/Pb Process Recommend TEMP. Profile Lead Free SAC Process Recommend TEMP. ProfileMechanical Drawing Surface-mount module Through-hole modulePin No Name Function Part Numbering System Model List