Delta Series Q48DR - Manual
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Table of Contents:
- Page 2 – TECHNICAL SPECIFICATIONS; PARAMETER
- Page 3 – ELECTRICAL CHARACTERISTICS CURVES; Figure
- Page 5 – igure 9: Typical full load input characteristics at room
- Page 6 – Figure 13: Input Terminal Ripple Current-i; Strip
- Page 8 – Soldering and Cleaning Considerations; DESIGN CONSIDERATIONS; Input Source Impedance
- Page 9 – FEATURES DESCRIPTIONS; Over-Voltage Protection
- Page 11 – THERMAL CONSIDERATIONS; Thermal Testing Setup; Figure 22: Wind tunnel test setup; THERMAL CURVES; Figure 23: Hot spot temperature measured point
- Page 12 – MECHANICAL DRAWING; Function
- Page 13 – PART NUMBERING SYSTEM; MODEL LIST; MODEL NAME
DATASHEET
DS_Q48DR1R833_03162007
Delphi Series Q48DR, 87W-100W, Quarter Brick
Dual Output, DC/DC Power Modules:
48V in, 1.8V and 3.3V, 15A out each channel
The Delphi Series Q48DR Quarter Brick Dual, 48V input, dual output,
isolated DC/DC converters are latest offering from one of the world’s
largest power supply manufacturers — Delta Electronics, Inc. This
product family provides up to 100 watts of power or 15A of output current
(each channel simultaneously) in an industry standard footprint. Both
output channels can be used independently of each other with option to
trim each channel either in the same direction or in reversion direction.
With creative design technology and optimized circuit, these converters
possess outstanding electrical and thermal performance, as well as
extremely high reliability under highly stressful operating conditions. All
the models are fully protected from abnormal input/output voltage,
current, and temperature conditions. The Delphi Series converters meet
all safety requirements with basic insulation.
APPLICATIONS
Telecom/DataCom
Wireless Networks
Optical Network Equipment
Server and Data Storage
Industrial/Test Equipment
OPTIONS
Optional second trim pin for
independent trim of the two outputs
Positive On/Off logic
Short pin lengths available
FEATURES
High Efficiency: 88%@ 1.8V/15A, 3.3V/15A
Standard footprint:57.9mmx36.8mmx8.5mm
(2.28”×1.45”×0.33”)
Industry standard pin out
2:1 input voltage range
Fixed frequency operation
Fully protected: OTP, OCP, OVP, UVLO
No minimum load required
1500 V isolation and basic insulation
Two independent power train and separate
trim for each output
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
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Summary
DS_Q48DR1R833_03162007 TECHNICAL SPECIFICATIONS (T A =25°C, airflow rate=300 LFM, V in =48Vdc, nominal Vout unless otherwise noted.) PARAMETER NOTES and CONDITIONS Q48DR1R833NRFA Min. Typ. Max. Units ABSOLUTE MAXIMUM RATINGS Input Voltage Continuous 80 Vdc Transient (100ms) <100ms 100 Vdc Operati...
ELECTRICAL CHARACTERISTICS CURVES Figure 1: Efficiency vs. load current Iout1 for minimum, nominal, and maximum input voltage at 25 ° C, for Iout2=7.5A. Figure 2: Efficiency vs. load current Iout2 for minimum, nominal, and maximum input voltage at 25 ° C, for Iout1=7.5A Figure 3: Efficiency vs. load...
DS_Q48DR1R833_03162007 5 ELECTRICAL CHARACTERISTICS CURVES Fte igure 9: Typical full load input characteristics at room mperature I Fcu o caCmth mm (2 inches to 3 inches) from the module. igure 10: Output voltage response to step-change in load rrent Iout2 (75%-50%-75% of Io, max; di/dt = 0.1A/µs) a...
