Delta Series E48SH - Manual
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Table of Contents:
- Page 2 – TECHNICAL SPECIFICATIONS; PARAMETER
- Page 3 – ELECTRICAL CHARACTERISTICS CURVES; Figure
- Page 4 – For Negative Remote On/Off Logic; For Input Voltage Start up
- Page 5 – possible battery impedance. Measure current as shown above
- Page 6 – Figure 12: Input reflected ripple current, i
- Page 7 – DESIGN CONSIDERATIONS; Input Source Impedance
- Page 8 – FEATURES DESCRIPTIONS; Over-Voltage Protection; Vout
- Page 9 – Vo; R trim; Frequency Synchronization
- Page 10 – THERMAL CONSIDERATIONS; Thermal Testing Setup; Figure 20: Wind tunnel test setup; Thermal Derating; . To enhance system reliability the power module
- Page 11 – PICK AND PLACE LOCATION SURFACE-MOUNT TAPE & REEL
- Page 12 – Temp
- Page 13 – SURFACE-MOUNT MODULE THROUGH-HOLE MODULE; Name
- Page 15 – PART NUMBERING SYSTEM; MODEL LIST; MODEL NAME; WARRANTY
FEATURES
High efficiency: 92.0% @3.3V/30A
Size: 58.4mm x 22.8mm x9.5mm
(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 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
Delphi Series E48SH, 120W Eighth Brick Family
DC/DC Power Modules: 48V in, 3.3V/30A 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 92.0% for 3.3V
output at 30A 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.
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_E48SH3R330_02162007
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Summary
TECHNICAL SPECIFICATIONS (T A =25°C, airflow rate=300 LFM, V in =48Vdc, nominal Vout unless otherwise noted.) PARAMETER NOTES and CONDITIONS E48SH3R330 (Standard) Min. Typ. Max. Units ABSOLUTE MAXIMUM RATINGS Input Voltage Continuous 75 Vdc Transient (100ms) 100ms 100 Vdc Operating Temperature Refer...
E48SH3R330_02162007 3 ELECTRICAL CHARACTERISTICS CURVES Figure 1: Efficiency vs. load current for minimum, nominal, and maximum input voltage at 25°C Figure 2: Power dissipation vs. load current for minimum, nominal, and maximum input voltage at 25°C. Figure 3: Typical full load input characteristic...
ELECTRICAL CHARACTERISTICS CURVES E48SH3R330_02162007 4 For Negative Remote On/Off Logic Figure 4: Turn-on transient at zero load current (5 ms/div).Vin=48V.Top Trace: Vout, 2V/div; Bottom Trace: ON/OFF input,2V/div Figure 5: Turn-on transient at full rated load current (constant current load) (5 ms...
