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PDF E48SR12005 Data sheet ( Hoja de datos )

Número de pieza E48SR12005
Descripción Eighth Brick Bus Converter DC/DC Power Modules
Fabricantes Delta Electronics 
Logotipo Delta Electronics Logotipo



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No Preview Available ! E48SR12005 Hoja de datos, Descripción, Manual

Delphi Series E48SR, 66W Eighth Brick Family
DC/DC Power Modules: 48V in, 12V/5A outwww.DataSheet4U.com
The Delphi Series E48SR 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 family provides up to 66 watts of power or 25A of output current
(1.8V and below) in an industry standard footprint. With creative design
technology and optimization of component placement, these converters
possess outstanding electrical and thermal performances, as well as
extremely high reliability under highly stressful operating conditions. All
models are fully protected from abnormal input/output voltage, current,
and temperature conditions. The Delphi Series converters meet all safety
requirements with basic insulation.
FEATURES
High Efficiency: 92% @ 12V/5A
Size: 58.4mmx22.8mmx8.35mm
(2.30”x0.90”x0.33”)
Standard footprint
Industry standard pin out
Fixed frequency operation: 350KHz
Input UVLO, Output OCP, OVP, OTP
2250V isolation and basic insulation
No minimum load required
2:1 Input voltage range
ISO 9001, TL 9000, ISO 14001, QS9000,
OHSAS18001 certified manufacturing
facility
UL/cUL 60950 (US & Canada)
recognized, and TUV (EN60950) certified
CE mark meets 73/23/EEC and
93/68/EEC directive
OPTIONS
Positive On/Off logic
Short pin lengths available
SMD pin
APPLICATIONS
Telecom/Datacom
Wireless Networks
Optical Network Equipment
Server and Data Storage
Industrial/Testing Equipment
DATASHEET
DS_E48SR12005_03022006

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E48SR12005 pdf
ELECTRICAL CHARACTERISTICS CURVES
00
00
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 module
Figure 9: Output voltage response to step-change in load
current (75%-50%-75% of Io, max; di/dt = 2.5A/µs). Load cap:
47µF, 35mESR solid electrolytic 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
module
Figure 10: Test set-up diagram showing measurement points
for Input Terminal Ripple Current and Input Reflected Ripple
Current.
Note: Measured input reflected-ripple current with a simulated
source Inductance (LTEST) of 12 µH. Capacitor Cs offset
possible battery impedance. Measure current as shown above
DS_E48SR12005_03022006
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E48SR12005 arduino
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 heat transfer.
Hence, the choice of equipment to characterize the
thermal performance of the power module is a wind
tunnel.
Thermal Testing Setup
Delta’s DC/DC power modules are characterized in
heated vertical wind tunnels that simulate the thermal
environments encountered in most electronics
equipment. This type of equipment commonly uses
vertically mounted circuit cards in cabinet racks in which
the power modules are mounted.
The following figure shows the wind tunnel
characterization setup. The power module is mounted
on a test PWB and is vertically positioned within the
wind tunnel. The space between the neighboring PWB
and the top of the power module is constantly kept at
6.35mm (0.25’’).
FACING PWB
PWB
MODULE
AIR VELOCITY
AND AMBIENT
TEMPERATURE
MEASURED BELOW
THE MODULE
AIR FLOW
50.8 (2.0”)
12.7 (0.5”)
Note: Wind Tunnel Test Setup Figure Dimensions are in millimeters and (Inches)
Figure 20: Wind tunnel test setup
Thermal Derating
Heat can be removed by increasing airflow over the module.
The hottest point temperature of the module is +109°C.To
enhance system reliability, the power module should always
be operated below the maximum operating temperature. If
the temperature exceeds the maximum module temperature,
reliability of the unit may be affected.
THERMAL CURVES
Figure 21: Hot spot temperature measured point
The allowed maximum hot spot temperature is defined at 109
E48SR12005(Standard) Output Current vs. Ambient Temperature and Air Velocity
Output Current(A)
5.5
@Vin = 48V (Transverse Orientation)
5.0
4.5
Natural
4.0 Convection
3.5
100LFM
3.0
200LFM
2.5
300LFM
2.0
1.5 400LFM
1.0
0.5
0.0
40 45 50 55 60 65 70 75 80 85
Ambient Temperature ()
Figure 22: Output current vs. ambient temperature and air
velocity@Vin=48V(Transverse Orientation)
DS_E48SR12005_03022006
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