Delta Series E48SR - Manuals

Page 2 - TECHNICAL SPECIFICATIONS; PARAMETER

DS_E48SR05012_05222008 2 TECHNICAL SPECIFICATIONS (T A =25°C, airflow rate=300 LFM, V in =48Vdc, nominal Vout unless otherwise noted.) PARAMETER NOTES and CONDITIONS E48SR05012 (Standard) Min. Typ. Max. Units ABSOLUTE MAXIMUM RATINGS Input Voltage Continuous 75 Vdc Transient (100ms) 100ms 100 Vdc Op...

Page 3 - ELECTRICAL CHARACTERISTICS CURVES; maximum input voltage at 25°C

DS_E48SR05012_05222008 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; Turn-on transient at full rated load current (resistive

DS_E48SR05012_05222008 4 ELECTRICAL CHARACTERISTICS CURVES For Negative Remote On/Off Logic Figure 4: Turn-on transient at full rated load current (resistive load) (2 ms/div). Vin=48V.Top Trace: Vout, 2V/div; Bottom Trace: ON/OFF input, 5V/div Figure 5: Turn-on transient at zero load current (2 ms/d...

Page 5 - Figure

DS_E48SR05012_05222008 5 ELECTRICAL 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 (100mV/div, 200us/div), Bottom Trace: I out (5A/div). S...

Page 7 - Output voltage ripple at nominal input voltage and

DS_E48SR05012_05222008 7 ELECTRICAL CHARACTERISTICS CURVES Figure 14: Output voltage ripple at nominal input voltage and rated load current (Io=12A)(20 mV/div, 2us/div) Load capacitance: 1µF ceramic capacitor and 10µF tantalum capacitor. Bandwidth: 20 MHz. Scope measurements should be made using a B...

Page 8 - Soldering and Cleaning Considerations; DESIGN CONSIDERATIONS; Input Source Impedance

DS_E48SR05012_05222008 8 The input source must be insulated from the ac mains by reinforced or double insulation. The input terminals of the module are not operator accessible. If the metal baseplate is grounded , one Vi pin and one Vo pin shall also be grounded. A SELV reliability test is c...

Page 9 - FEATURES DESCRIPTIONS; Over-Voltage Protection; Remote on/off implementation; Remote Sense; Vout; Effective circuit configuration for remote sense

DS_E48SR05012_05222008 9 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 10 - Vo; up

DS_E48SR05012_05222008 10 FEATURES DESCRIPTIONS (CON.) Output Voltage Adjustment (TRIM) To increase or decrease the output voltage set point, the modules may be connected with an external resistor between the TRIM pin and either the SENSE(+) or SENSE(-). The TRIM pin should be left open if this feat...

Page 11 - THERMAL CONSIDERATIONS; Thermal Testing Setup; Wind tunnel test setup; Thermal Derating; Hot spot temperature measured point.; Output load vs. ambient temperature and air velocity @

DS_E48SR05012_05222008 11 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 12 - PICK AND PLACE LOCATION SURFACE-MOUNT TAPE & REEL

DS_E48SR05012_05222008 12 PICK AND PLACE LOCATION SURFACE-MOUNT TAPE & REEL RECOMMENDED PAD LAYOUT (SMD)

Page 13 - Temp

DS_E48SR05012_05222008 13 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 14 - MECHANICAL DRAWING; module; Pin No. Name Function

DS_E48SR05012_05222008 14 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 15 - PART NUMBERING SYSTEM; MODEL LIST; MODEL NAME; WARRANTY

DS_E48SR05012_05222008 15 PART NUMBERING SYSTEM E 48 S R 050 12 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 E- Eighth Brick 48V S- Single R- Regular 050- 5.0V 12-12A N- Negative (Default)P- Positive R -...