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PDF E48SD12020 Data sheet ( Hoja de datos )
| Número de pieza | E48SD12020 | |
| Descripción | 240W DC/DC Power Modules | |
| Fabricantes | Delta | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de E48SD12020 (archivo pdf) en la parte inferior de esta página. Total 27 Páginas | ||
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E48SD12020
240W DC/DC Power Modules
FEATURES
Input voltage range: 38V~75V
Output voltage range ( trim, remote sense and
PMBUS) 8V~13.2V
High efficiency : 95.6% @ 48Vin/20A
Size:
58.4mm x 22.8mm x 11.0mm
(2.3” x 0.9” x 0.43”)(W/O heat-spreader)
58.4mm x 22.8mm x 12.7mm
(2.3” x 0.9” x 0.5”)(with heat-spreader)
Industry standard DOSA compliant pin out
Fully protected: Input UVLO, Output OCP and
OVP, OTP
1500V isolation
No minimum load required
Fixed frequency operation
ISO 9001, TL 9000, ISO 14001, QS9000,
OHSAS18001 certified manufacturing facility
UL/CUL 60950-1 (US & Canada) pending
Delphi Series E48SD12020, Eighth Brick Family
DC/DC Power Modules:
38~75Vin, 11.7Vout, 240W
The Delphi series E48SD12020, eighth brick, 38~75V
input, single output 11.7V, are full digital control DC/DC
converter, and are the latest offering from a world leader in
power system and technology and manufacturing ― Delta
Electronics, Inc. This product provides up to 240 watts of power
at 38~75V input in an industry standard, DOSA compliant
footprint and pin out. The E48SD12020 offers more than 95.6%
high efficiency at 48V input, 11.7V output and 20A load. There is
a built-in digital PWM controller in the E48SD12020 series,
which is used to complete the Vo feedback, PWM signal
generation, fault protection, output voltage trim, on/off control
and PMBUS communications, and so on. With the digital
control, many design and application flexibility, advanced
performance, and reliability are obtained.
OPTIONS
Positive or Negative On/Off logic
Open Frame / With heat-spreader option
Digital PMBus interface option
APPLICATIONS
Datacom / Networking
Wireless Networks
Optical Network Equipment
Server and Data Storage
Industrial / Testing Equipment
DS_E48SD12020_07042013
E-mail [email protected]
http://www.deltaww.com/dcdc
P1
Free Datasheet http://www.datasheet4u.com/
1 page  
ELECTRICAL CHARACTERISTICS CURVES
97
95
93
91 75Vin
48Vin
89 38Vin
87
85
83
81
79
77
2 4 6 8 10 12 14 16 18 20
OUTPUT CURRENT (A)
Figure 1: Efficiency vs. load current for minimum, nominal, and
maximum input voltage at 25°C.
18
16
75Vin
14
12
48Vin
10
38Vin
8
6
4
2
2 4 6 8 10 12 14 16 18 20
OUTPUT CURRENT(A)
Figure 2: Power loss vs. load current for minimum, nominal, and
maximum input voltage at 25°C.
7
6
5
4
3
2
1
0
30 35 40 45 50 55 60 65 70 75
INPUT VOLTAGE(V)
Figure 3: Typical full load input characteristics at room
temperature.
DS_E48SD12020_07042013
E-mail [email protected]
http://www.deltaww.com/dcdc
P5
Free Datasheet http://www.datasheet4u.com/
5 Page 
For the negative logic, if the remote ON/OFF
(ENABLE) feature is not used, please maintain the
ENABLE pin to Vin(-).
Vin+
Vo+
ENABLE
R
load
Vin-
Vo-
Figure 16: Remote ON/OFF (ENABLE) implementation
Secondary Remote On/Off
Reference to the Vo(-) terminal, there is a C2 pin. The
default configuration is set to PGOOD function. And
such pin can be reconfigured as secondary remote
on/off pin by the PMBus interface including either
negative or positive logic. Negative logic turns the
module on during a logic low and off during a logic
high. Positive logic turns the modules on during a logic
high and off during a logic low. The secondary remote
on/off can be controlled by an external switch between
the on/off terminal and the Vo(-) terminal. The switch
can be an open collector or open drain.
MFR_C1_C2_ARA_CONFIG, MFR_ C2_LOGIC,
MFR_PGOOD_POLARITY are used to config C2 pin
function.
Input source
Vin(+)
Vin(-)
Vout(+)
Sense(+)
Sense(-)
Vout(-)
Resistance of trace
Load
Resistance of trace
Figure 17: Circuit Configuration for remote sense.
Configurable Control Pins
The module contains one configurable control pins C2,
referenced to the module secondary SIG_GND. See
Mechanical Views for pin locations. The following table
list the default factory configurations for the functions
assigned to the pin.
Pin
Designation/Function
C2
Power Good
On/Off
Configuration
Factory Default
Optional Vias PMBUS
Output Voltage Adjustment (TRIM) note1
To increase or decrease the output voltage set point,
connect an external resistor between the TRIM pin
and either the Vo(+) or Vo(-). The TRIM pin should be
left open if this feature is not used.
Remote Sense
Remote sense minimizes the effects of distribution
losses by regulating the voltage at the remote-sense
connections (See Figure 17). The SENSE(-) pin should
be always connected to VO(-) pin. The voltage between
the remote-sense pins and the output terminals must
not exceed the output voltage sense range given in the
Feature Specifications
[VO(+) – VO(–)] – SENSE(+) ≤0.5 V
The output voltage can also be increased by the trim,
the maximum increase for the output voltage is the
sum of both. The amount of power delivered by the
module is defined as the voltage at the output
terminals multiplied by the output current. When using
remote sense and trim, the output voltage of the
module can be increased, which at the same output
current, would increase the power output of the
module. Care should be taken to ensure that the
maximum output power of the module remains at or
below the maximum rated power (Maximum rated
power = Vo,set x Io,max)
Figure 18: Circuit configuration for trim-down (decrease
output voltage)
If the external resistor is connected between the
TRIM and Vo (-) pins, the output voltage set point
decreases (Fig. 18). The external resistor value
required to obtain a percentage of output voltage
change △% is defined as:
Rtrim
_
down
511
10.2K
Ex. When Trim-down -10% (11.7V×0.9=10.53V)
Rtrim
_
down
511
10
10.2K
40.9K
DS_E48SD12020_07042013
E-mail [email protected]
http://www.deltaww.com/dcdc
P11
Free Datasheet http://www.datasheet4u.com/
11 Page | ||
| Páginas | Total 27 Páginas | |
| PDF Descargar | [ Datasheet E48SD12020.PDF ] | |
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