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PDF E48SH1R250 Data sheet ( Hoja de datos )
| Número de pieza | E48SH1R250 | |
| Descripción | Eighth Brick Bus Converter DC/DC Power Modules | |
| Fabricantes | Delta Electronics | |
| Logotipo |  |
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Delphi Series E48SH, 120W Eighth Brick Family
www.DataSheet4U.com
DC/DC Power Modules: 48V in, 1.2V/50A out
The Delphi Series E48SH Eighth Brick, 48V input, single output, isolated
DC/DC converters are the latest offering from a world leader in power
systems technology and manufacturing ― Delta Electronics, Inc. This
product family is available in either a through-hole or surface-mounted
package and provides up to 120 watts of power or 50A of output current
(1.2V and below) in an industry standard footprint and pinout. The E48SH
converter operates from an input voltage of 36V to 75V and is available in
output voltages from 1.0V to 15V. Efficiency is up to 86.5% for 1.2V
output at 50A full load. With creative design technology and optimization
of component placement, these converters possess outstanding
electrical and thermal performance, 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: 86.5% @1.2V/50A
Size: 58.4mm x 22.8mm x 9.5mm
(2.30”x0.90”x0.37”)
Industry standard pin out
Fixed frequency operation
Input UVLO, Output OTP, OCP, OVP
Monotonic startup into normal and
pre-biased loads
Secondary side control, very fast transient
response
2250V Isolation and basic insulation
No minimum load required
No negative current during power or enable
on/off
ISO 9001, TL 9000, ISO 14001, QS 9000,
OHSAS 18001 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
External Synchronization
Output OVP latch mode
Output OCP latch mode
Heat spreader
APPLICATIONS
Telecom/DataCom
Wireless Networks
Optical Network Equipment
Server and Data Storage
Industrial/Test Equipment
DATASHEET
DS_E48SH1R250_02262007
1 page  
ELECTRICAL CHARACTERISTICS CURVES
Figure 8: Output voltage response to step-change in load
current (75%-50% of Io, max; di/dt = 0.1A/µs). Load cap: 10µF,
tantalum capacitor and 1µF ceramic capacitor. Trace: Vout
(20mV/div, 100us/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 (50%-75% of Io, max; di/dt = 0.1A/µs). Load cap: 10µF,
tantalum capacitor and 1µF ceramic capacitor. Trace: Vout
(20mV/div, 100us/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
Figure 11: Input Terminal Ripple Current, ic, at full rated output
current and nominal input voltage with 12µH source impedance
and 33µF electrolytic capacitor (200 mA/div, 2us/div).
E48SH1R250_02262007
5
5 Page 
PICK AND PLACE LOCATION
SURFACE-MOUNT TAPE & REEL
RECOMMENDED PAD LAYOUT (SMD)
E48SH1R250_02262007
11
11 Page | ||
| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet E48SH1R250.PDF ] | |
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