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Delta Electronics E48SR manual For Negative Remote On/Off Logic, For Positive Remote On/Off Logic

Models: E48SR

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ELECTRICAL CHARACTERISTICS CURVES

For Negative Remote On/Off Logic

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Figure 4: Turn-on transient at full rated load current (resistor	Figure 5: Turn-on transient at zero load current (2ms/div).
load) (2ms/div). Vin=48V. Top Trace: Vout, 5V/div; Bottom	Vin=48V.Top Trace: Vout, 5V/div; Bottom Trace: ON/OFF input,
Trace: ON/OFF input, 5V/div	5V/div

For Positive Remote On/Off Logic

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Figure 6: Turn-on transient at full rated load current (resistor			Figure 7: Turn-on transient at zero load current (2ms/div).
load) (2ms/div). Vin=48V.Top Trace: Vout, 5V/div; Bottom			Vin=48V. Top Trace: Vout, 5V/div; Bottom Trace: ON/OFF input,
Trace: ON/OFF inpu, 5V/div			5V/div

DS_E48SR15004_05222008

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Delta Electronics E48SR manual For Negative Remote On/Off Logic, For Positive Remote On/Off Logic

Contents

FEATURES DATASHEET DSE48SR1500405222008OPTIONS APPLICATIONSTECHNICAL SPECIFICATIONS INPUT CHARACTERISTICSOUTPUT CHARACTERISTICS DYNAMIC CHARACTERISTICSELECTRICAL CHARACTERISTICS CURVES For Negative Remote On/Off Logic For Positive Remote On/Off LogicELECTRICAL CHARACTERISTICS CURVES Vin=48V.Top Trace Vout, 5V/div Bottom Trace ON/OFF inputELECTRICAL CHARACTERISTICS CURVES 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 0.2V/div,200us/div, Bottom Trace Iout 1A/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 moduleELECTRICAL CHARACTERISTICS CURVES Figure 13 Output voltage noise and ripple measurement test setupELECTRICAL CHARACTERISTICS CURVES Load capacitance 1µF ceramic capacitor and 10µF tantalumSafety Considerations Soldering and Cleaning ConsiderationsDESIGN CONSIDERATIONS Input Source ImpedanceFEATURES DESCRIPTIONS Over-Temperature ProtectionOver-Current Protection Over-Voltage ProtectionFEATURES DESCRIPTIONS CON Output Voltage Adjustment TRIMEx. When Trim-down -10%15V×0.9=13.5V Ex. When Trim-up +10%15 V×1.1=16.5VThermal Testing Setup THERMAL CONSIDERATIONSTHERMAL CURVES Thermal DeratingRECOMMENDED PAD LAYOUT SMD PICK AND PLACE LOCATIONSURFACE-MOUNT TAPE & REEL LEADED Sn/Pb PROCESS RECOMMEND TEMP. PROFILE LEAD FREE SAC PROCESS RECOMMEND TEMP. PROFILETemp TimeMECHANICAL DRAWING Surface-mount moduleThrough-hole module Pin NoPART NUMBERING SYSTEM MODEL LISTWARRANTY MODEL NAME

For Negative Remote On/Off Logic

Vin=48V.Top Trace: Vout, 5V/div; Bottom Trace: ON/OFF input,

For Positive Remote On/Off Logic

Vin=48V. Top Trace: Vout, 5V/div; Bottom Trace: ON/OFF input,