Delta 33W Family - Manual
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Table of Contents:
- Page 2 – TECHNICAL SPECIFICATIONS; PARAMETER; NOTES and CONDITIONS
- Page 3 – ELECTRICAL CHARACTERISTICS CURVES; maximum input voltage at 25
- Page 4 – Figure5
- Page 5 – Figure 9
- Page 6 – DESIGN CONSIDERATION; Layout and EMC Considerations; The input source must be insulated from any
- Page 7 – Resistance; ffective circuit configuration for remote sense; FEATURES DESCRIPTIONS; Over-Voltage Protection
- Page 8 – are should be taken to ensure that the maximum; Circuit configuration for trim-down (decrease output; the external resistor is connected between the TRIM; Circuit configuration for trim-up (increase output; the external resistor is connected between the TRIM
- Page 9 – THERMAL CONSIDERATIONS; Thermal Testing Setup; Wind tunnel test setup; THERMAL CURVES; Output current vs. ambient temperature and air velocity; Hot spot temperature measured point
- Page 10 – PICK AND PLACE LOCATION SURFACE-MOUNT TAPE & REEL
- Page 12 – MECHANICAL DRAWING; SMD; Name
- Page 13 – PART NUMBERING SYSTEM; MODEL LIST; MODEL NAME
DATASHEET
DS_S48SA1R812_06012006
Delta Electronics, Inc.
Delphi Series S48SA, 33W Family
DC/DC Power Modules: 48V in, 1.8V/12A out
The Delphi Series S48SA, surface mountable, 48V input, single
output, isolated DC/DC converter is the latest offering from a world
leader in power system and technology and manufacturing – Delta
Electronics, Inc. This product family provides up to 33 watts of power
or up to 12A of output current (for output voltage 1.8V or below). 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 protected from
abnormal input/output voltage and current conditions.
APPLICATIONS
Telecom/DataCom
Wireless Networks
Optical Network Equipment
Server and Data Storage
Industrial/Test Equipment
OPTIONS
Positive on/off logic
Through hole version
FEATURES
High efficiency: 88.5% @ 1.8V/ 12A
Size: 47.2mm x 29.5mm x 8.35mm
(1.86" x 1.16" x 0.33")
Low profile: 0.33"
Industry standard footprint and pin out
Surface mountable
Fixed frequency operation
Input UVLO, Output OCP, OVP
No minimum load required
2:1 input voltage range
Basic insulation
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 directive
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Summary
DS_S48SA1R812_06012006 TECHNICAL SPECIFICATIONS (T A =25°C, airflow rate=300 LFM, V in =48Vdc, nominal Vout unless otherwise noted.) PARAMETER NOTES and CONDITIONS S48SA1R812NRFA Min. Typ. Max. Units ABSOLUTE MAXIMUM RATINGS Input Voltage Continuous 80 Vdc Transient (100ms) 100ms 100 Vdc Operating T...
DS_S48SA1R812_06012006 ELECTRICAL CHARACTERISTICS CURVES 55 60 65 70 75 80 85 90 95 1 2 3 4 5 6 7 8 9 10 11 12 OU TPU T C U R R EN T (A) E FFICIE NCY ( % ) 3 6 Vi n 4 8 Vi n7 5 Vi n 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 1 2 3 4 5 6 7 8 9 10 11 12 OUTPUT CURRENT (A) P O WE R DIS S IP A T IO N ( W ) 36V...
DS_S48SA1R812_06012006 4 ELECTRICAL CHARACTERISTICS CURVES Figure5 : Turn-on transient at zero load current (1 ms/div). Top Trace: Vout (500mV/div); Bottom Trace: ON/OFF Control (5V/div). Figure 6: Output voltage response to step-change in load current (50%-75% of Io, max; di/dt = 0.1A/µs). Load cap...
