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PDF V48SR1R225 Data sheet ( Hoja de datos )
| Número de pieza | V48SR1R225 | |
| Descripción | DC/DC Power Modules | |
| Fabricantes | Delta Electronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de V48SR1R225 (archivo pdf) en la parte inferior de esta página. Total 14 Páginas | ||
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Delphi Series V48SR, 1/16th Brick 66W
DC/DC Power Modules: 48V in, 1.2V, 25A outwww.DataSheet4U.com
The Delphi Series V48SR, 1/16th 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 1/16th brick form factor (1.30” x
0.90”). The 1.2V output offers one of the highest output currents available
and provides up to 84.0% efficiency at 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
modules are protected from abnormal input/output voltage, current, and
temperature conditions. For lower power needs with the 1.2V output, but
in a similar small form factor, please check out Delta S48SP (36W or
1.2V/10A) and S48SE (17W or 1.2V/5A) series standard DC/DC
modules.
FEATURES
High efficiency: 84.0% @ 1.2V/25A
Size: 33.0 x 22.9 x 9.5 mm
(1.30”x0.90”x0.37”)
Industry standard footprint and pinout
Fixed frequency operation
SMD and through-hole versions
Input UVLO and OVP
OTP and output OCP, OVP
Output voltage trim: -20%, +10%
Monotonic startup into normal and
pre-biased loads
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,
OHSAS18001 certified manufacturing
facility
UL/cUL 60950 (US & Canada), TUV
(EN60950) and CE mark pending
OPTIONS
SMD pins
Positive remote On/Off
OTP and output OVP, OCP mode
(auto-restart or latch)
APPLICATIONS
Optical Transport
Data Networking
Communications
Servers
DATASHEET
DS_V48SR1R225_01312007
1 page  
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 (50mV/div, 200us/div), Bottom Trace: Iout (10A/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 = 1.0A/µs). Load cap:
100µF tantalum capacitor and 1µF ceramic capacitor. Top
Trace: Vout (50mV/div, 200us/div), Bottom Trace: Iout
(10A/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, 1us/div)
DS_V48SR1R225_01312007
5
5 Page 
PICK AND PLACE LOCATION
RECOMMENDED PAD LAYOUT (SMD)
SURFACE-MOUNT TAPE & REEL
DS_V48SR1R225_01312007
11
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet V48SR1R225.PDF ] | |
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