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Delphi Series E48SR12007, 84W Eighth Brick
DC/DC Power Modules: 48V in, 12V/7A out
The Delphi Series E48SR12007 Eighth Brick, 48V input, single output,
isolated DC/DC converter is the latest offering from a world leader in
power systems technology and manufacturing ― Delta Electronics,
Inc. This product provides 84 watts of power with 92.0% efficiency in
an industry standard footprint. With creative design technology and
optimization of component placement, this converter possesses
outstanding electrical and thermal performances, as well as extremely
high reliability under highly stressful operating conditions. All Delphi
E48SR models are fully protected from abnormal input/output voltage,
current, temperature conditions and also meet all safety requirements
with basic insulation.
DATASHEET
DS_E48SR12007_05222008
FEATURES
High efficiency: 92.0% @ 12V/7A
Size: 58.4mmx22.80mmx8.4mm
(2.30"x0.90"x0.33")
Standard footprint
Industry standard pin out
2:1 Input voltage range
Fixed frequency operation
Input UVLO, Output OCP, OVP, OTP
2250V isolation and basic insulation
No minimum load required
ISO 9001, TL 9000, ISO 14001, QS9000,
OHSAS18001 certified manufacturing
facility
UL/cUL 60950-1 (US & Canada)
recognized, and TUV (EN60950-1)
certified
CE mark meets 73/23/EEC and
93/68/EEC directive
OPTIONS
Positive On/Off logic
Short pin lengths
SMD pin
APPLICATIONS
Telecom/Datacom
Wireless Networks
Optical Network Equipment
Server and Data Storage
Industrial/Test Equipment
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Summary of Contents for Delta Electronics Delphi E48SR12007
- Page 1 Delphi Series E48SR12007, 84W Eighth Brick DC/DC Power Modules: 48V in, 12V/7A out The Delphi Series E48SR12007 Eighth Brick, 48V input, single output, isolated DC/DC converter is the latest offering from a world leader in power systems technology and manufacturing ― Delta Electronics, Inc.
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Page 2: Technical Specifications
Ion/off at Von/off=0.0V Logic High, Von/off=15V Pout ≦ max rated power Pout ≦ max rated power Over full temp range; Io=80% of Io, max; Ta=25°C, airflow rate=200FLM Refer to Figure 21 for measuring point E48SR12007 (Standard) Min. Typ. Max. Units °C °C 2250 11.880... - Page 3 ELECTRICAL CHARACTERISTICS CURVES Figure 1: Efficiency vs. load current for minimum, nominal, and maximum input voltage at 25°C, 300LFM airflow. Figure 3: Typical full load input characteristics at 25°C E48SR12007_05222008 Figure 2: Power dissipation vs. load current for minimum, nominal, and maximum input voltage at 25°C, 300LFM airflow.
- Page 4 ELECTRICAL CHARACTERISTICS CURVES For Negative Remote On/Off Logic Figure 4: Turn-on transient at full rated load current (resistor load) (2ms/div). Vin=48V. Top Trace: Vout, 5V/div; Bottom Trace: ON/OFF input, 5V/div For Positive Remote On/Off Logic Figure 6: Turn-on transient at full rated load current (resistor load) (2ms/div) for positive on/off mode.
- Page 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 (0.2V/div, 200us/div), Bottom Trace: Iout (1A/div). Scope measurement should be made using a BNC cable (length shorter than 20 inches).
- Page 6 ELECTRICAL CHARACTERISTICS CURVES Figure 12: Input reflected ripple current, i source inductor at nominal input voltage and rated load current (20 mA/div, 2us/div) Figure 14: Output voltage ripple at nominal input voltage and rated load current (Io=7A)(20 mV/div, 2us/div) Load capacitance: 1µF ceramic capacitor and 10µF tantalum capacitor.
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Page 7: Design Considerations
DESIGN CONSIDERATIONS Input Source Impedance The impedance of the input source connecting to the DC/DC power modules will interact with the modules and affect the stability. A low ac-impedance input source is recommended. If the source inductance is more than a few μH, we advise adding a 10 to 100 μF electrolytic capacitor (ESR <... -
Page 8: Features Descriptions
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 automatically shut down (hiccup mode). The modules will try to restart after shutdown. - Page 9 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 feature is not used.
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Page 10: Thermal Considerations
＊ Output Current(A) Natural Convection MODULE 12.7 (0.5”) Figure 22: Output current vs. ambient temperature and air velocity@Vin=48V (Transverse Orientation) E48SR12007(Standard) Output Current vs. Ambient Temperature and Air Velocity @Vin = 48V (Transverse Orientation) 100LFM 200LFM 300LFM 400LFM 500LFM ℃... - Page 11 PICK AND PLACE LOCATION SURFACE-MOUNT TAPE & REEL RECOMMENDED PAD LAYOUT (SMD) E48SR12007_05222008...
- Page 12 LEADED (Sn/Pb) PROCESS RECOMMEND TEMP. PROFILE Pre-heat temp. 140~180°C 60~120 sec. Ramp-up temp. 0.5~3.0°C /sec. Time ( sec. ) Note: The temperature refers to the pin of E48SR, measured on the pin +Vout joint. LEAD FREE (SAC) PROCESS RECOMMEND TEMP. PROFILE Temp Peak Temp.
- Page 13 MECHANICAL DRAWING (WITHOUT HEATSPREADER) Surface-mount module Pin No. Name +Vin ON/OFF -Vin -Vout -SENSE TRIM +SENSE +Vout E48SR12007_05222008 Through-hole module Function Positive input voltage Remote ON/OFF Negative input voltage Negative output voltage Negative remote sense Output voltage trim Positive remote sense Positive output voltage...
- Page 14 MECHANICAL DRAWING (WITH HEATSPREADER) THROUGH-HOLE MODULE E48SR12007_05222008...
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Page 15: Part Numbering System
PART NUMBERING SYSTEM Type of Input Number of Product Product Voltage Outputs E- Eighth S- Single R- Regular Brick MODEL LIST MODEL NAME E48SR1R225NRFA 36V~75V E48SR1R525NRFA 36V~75V E48SR1R825NRFA 36V~75V E48SR2R520NRFA 36V~75V E48SR3R320NRFA 36V~75V E48SR05012NRFA 36V~75V E48SR12005NRFA 36V~75V E48SR12006NRFA 36V~75V E48SR12007NRFA 36V~75V E48SR15004NRFA 36V~75V...
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