Delta Electronics Series E48SH instruction

ELECTRICAL CHARACTERISTICS CURVES

Vo(+)

Vo(-)

Copper	Strip
10u	1u	SCOPE	RESISTIVE
10u	1u		LOAD
			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, 2us/div).

Figure 14: Output voltage ripple at nominal input voltage and rated load current (Io=30A)(50 mV/div, 2us/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.

E48SH3R330_02162007

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Delta Electronics Series E48SH manual Input reflected ripple current, is, through a 12µH

Contents

Features Technical Specifications Parameter Electrical Characteristics Curves Typical full load input characteristics at room temperature For Negative Remote On/Off Logic Electrical Characteristics Curves Input reflected ripple current, is, through a 12µH Design Considerations Input Source Impedance Features Descriptions Features Descriptions CON Output Voltage Adjustment Trim Thermal Curves Thermal Testing SetupThermal Considerations Thermal Derating E48SH3R33002162007 Leaded Sn/Pb Process Recommend TEMP. Profile Lead Free SAC Process Recommend TEMP. Profile Mechanical Drawing Pin No Name Function Mechanical Drawing with Heatspreader Part Numbering System Model List