Delta Series 240W - 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 Positive Remote On/Off Logic; Turn-on transient at full rated load current
- Page 6 – Copper Strip
- Page 7 – DESIGN CONSIDERATIONS; F electrolytic; Layout and EMC Considerations; Schematic and Components List; Test Result; Soldering and Cleaning Considerations; FEATURES DESCRIPTIONS
- Page 8 – Over-Temperature Protection; Load; Current Sharing
- Page 9 – THERMAL CONSIDERATIONS; Thermal Testing Setup; Wind tunnel test setup; Thermal Derating; THERMAL CURVES; Temperature measurement location; Output current vs. ambient temperature and air
- Page 10 – MECHANICAL DRAWING; Function; All pins are copper with Tin plating (Pb free)
- Page 11 – PART NUMBERING SYSTEM; MODEL LIST; MODEL NAME; CONTACT
DATASHEET
DS_E48SB12020_05222008
FEATURES
Input voltage range: 38V~55V
Output 240W @ 44Vin and above
Output 22.3A @ 44Vin and below
High efficiency: 96.3% @ 12V/20A
Size: 58.4mm x 22.8mm x 11.4mm
(2.28” x 0.90” x 0.45”)
Industry standard pinout
Fully protected: Input UVLO, OVP, Output
OCP and OTP
Parallelable for higher output power
2250V
isolation
Basic
insulation
Monotonic
startup
No minimum load required
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
directives
APPLICATIONS
Datacom / Netowrking
Wireless
Networks
Optical
Network
Equipment
Server and Data Storage
Industrial / Testing Equipment
Delphi Series E48SB, 240W Eighth Brick Bus Converter
DC/DC Power Modules: 48Vin, 12V/20A out
Delta Electronics, Inc., a world leader in power systems technology and
manufacturing, has introduced the E48SB, eighth brick sized 240W
bus converter, into their Delphi Series of board mounted DC/DC power
converters to support the intermediate bus architecture to power multiple
downstream non-isolated point-of-load (POL) converters. The E48SB
product family features an input voltage of 38V to 55V, and provides up to
240W (9.6V and above) of power in an industry standard eighth brick
footprint. Typical efficiency of 12V module is 96.3%. With optimized
component placement, creative design topology, and numerous patented
technologies, the E48SB bus converters deliver outstanding electrical
and thermal performance. An optional heatsink is available for harsh
thermal requirements.
OPTIONS
Positive On/Off logic
Short pin lengths
Heatsink available for extended
operation
OTP and OCP mode (Auto restart or
latch)
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Summary
DS_E48SB12020_05222008 2 TECHNICAL SPECIFICATIONS (T A =25°C, airflow rate=300 LFM, V in =48Vdc, nominal Vout unless otherwise noted.) PARAMETER NOTES and CONDITIONS E48SB12020 (Standard) Min. Typ. Max. Units ABSOLUTE MAXIMUM RATINGS Input Voltage Continuous 60 Vdc Operating Temperature Refer to Fig...
DS_E48SB12020_05222008 3 ELECTRICAL CHARACTERISTICS CURVES 90 91 92 93 94 95 96 97 3 6 9 12 15 18 21 24 Output Current (A) E ff ici en cy ( % ) 38Vin48Vin55Vin 0 2 4 6 8 10 0 3 6 9 12 15 18 21 24 Output Current (A) Lo ss ( W ) 3 8 V i n4 8 V i n5 5 V i n Figure 1: Efficiency vs. load current for min...
DS_E48SB12020_05222008 4 ELECTRICAL CHARACTERISTICS CURVES For Negative Remote On/Off Logic Figure 5: Turn-on transient at full rated load current (5 ms/div). Top Trace: Vout; 5V/div; Bottom Trace: ON/OFF input: 2V/div Figure 6: Turn-on transient at zero load current (5 ms/div). Top Trace: Vout: 5V/...
