Delta Series V48SR - Manuals

Page 2 - TECHNICAL SPECIFICATIONS; PARAMETER

DS_V48SR15004_06122007 2 TECHNICAL SPECIFICATIONS (T A =25°C, airflow rate=300 LFM, V in =48Vdc, nominal Vout unless otherwise noted.) PARAMETER NOTES and CONDITIONS V48SR15004 (Standard) Min. Typ. Max. Units ABSOLUTE MAXIMUM RATINGS Input Voltage Continuous 80 Vdc Transient (100ms) 100ms 100 Vdc Op...

Page 3 - ELECTRICAL CHARACTERISTICS CURVES

DS_V48SR15004_06122007 3 ELECTRICAL CHARACTERISTICS CURVES Figure 1: Efficiency vs. load current for minimum, nominal, and maximum input voltage at 25°C Figure 2: Power dissipation vs. load current for minimum, nominal, and maximum input voltage at 25°C. Figure 3: Typical full load input characteris...

Page 4 - For Negative Remote On/Off Logic; For Positive Remote On/Off Logic; TBD

DS_V48SR15004_06122007 4 ELECTRICAL CHARACTERISTICS CURVES For Negative Remote On/Off Logic Figure 4: Turn-on transient at full rated load current (resistive load) (5 ms/div). Vin=48V. Top Trace: Vout, 5.0V/div; Bottom Trace: ON/OFF input, 2V/div Figure 5: Turn-on transient at zero load current (5 m...

Page 6 - EMC Test Result; DESIGN CONSIDERATIONS; Input Source Impedance; F electrolytic; Layout and EMC Considerations

DS_V48SR15004_06122007 6 EMC Test Result Test result is in compliance with EN55022 class B as shown below. Average mode, @ Vin = 48V, Iout=4.4A DESIGN CONSIDERATIONS Input Source Impedance The impedance of the input source connecting to the DC/DC power modules will interact with the modules and affe...

Page 7 - Soldering and Cleaning Considerations; Safety Considerations

DS_V48SR15004_06122007 7 Soldering and Cleaning Considerations Post solder cleaning is usually the final board assemblyprocess before the board or system undergoes electricaltesting. Inadequate cleaning and/or drying may lower thereliability of a power module and severely affect the finishedcircuit ...

Page 8 - FEATURES DESCRIPTIONS; Over-Voltage Protection; Vout

DS_V48SR15004_06122007 8 FEATURES DESCRIPTIONS Over-Current Protection The modules include an internal output over-current protection circuit, which will endure current limiting for an unlimited duration during output overload. If the output current exceeds the OCP set point, the modules will automa...

Page 9 - Vo; down

DS_V48SR15004_06122007 9 Figure 19: Circuit configuration for trim-up (increase output voltage) If the external resistor is connected between the TRIM and SENSE (+) the output voltage set point increases (Fig. 19). The external resistor value required to obtain a percentage output voltage change △ %...

Page 10 - THERMAL CONSIDERATIONS; Thermal Testing Setup; Thermal Derating

DS_V48SR15004_06122007 10 THERMAL CONSIDERATIONS Thermal management is an important part of the system design. To ensure proper, reliable operation, sufficient cooling of the power module is needed over the entire temperature range of the module. Convection cooling is usually the dominant mode of he...

Page 11 - PICK AND PLACE LOCATION RECOMMENDED PAD LAYOUT (SMD)

DS_V48SR15004_06122007 11 PICK AND PLACE LOCATION RECOMMENDED PAD LAYOUT (SMD) SURFACE-MOUNT TAPE & REEL

Page 12 - Temp

DS_V48SR15004_06122007 12 LEADED (Sn/Pb) PROCESS RECOMMEND TEMP. PROFILE Time ( sec. ) Pre-heat temp. 140~180 ° C 60~120 sec. Peak temp. 210~230 ° C 5sec. Ramp-up temp. 0.5~3.0 ° C /sec. T emperatur e ( ° C ) 50 100 150 200 250 300 60 0 120 180 240 2nd Ramp-up temp. 1.0~3.0 ° C /sec. Over 200 ° C 40...

Page 13 - MECHANICAL DRAWING; Surface-mount module; Name

DS_V48SR15004_06122007 13 MECHANICAL DRAWING Surface-mount module Through-hole module Pin No. Name Function 1 2 3 4 5 6 7 8 +Vin ON/OFF -Vin -Vout -SENSE TRIM +SENSE +Vout Positive input voltage Remote ON/OFF Negative input voltage Negative output voltage Negative remote sense Output voltage trim Po...

Page 14 - PART NUMBERING SYSTEM; MODEL LIST; MODEL NAME

DS_V48SR15004_06122007 14 PART NUMBERING SYSTEM V 48 S R 150 04 N R F A Type of Product Input Voltage Number of Outputs Product Series Output Voltage Output Current ON/OFF Logic Pin Length/Type Option Code V - 1/16 brick 48V S - Single R - Regular 150 - 15V 04 - 4A N- Negative (Default) P- Positive ...