Delta Series S48SS - Manual
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Table of Contents:
- Page 2 – TECHNICAL SPECIFICATIONS; PARAMETER
- Page 3 – ELECTRICAL CHARACTERISTICS CURVES; maximum input voltage at 25; Typical input characteristics at room temperature.
- Page 4 – Figure5
- Page 5 – Figure 9
- Page 6 – Case temperature measurement location. Pin locations are; Top View
- Page 7 – DESIGN CONSIDERATION; Layout and EMC Considerations; The input source must be insulated from any
- Page 8 – Trim; Over-Voltage Protection; Trim; ΚΩ; ΚΩ
- Page 9 – THERMAL CONSIDERATIONS; Thermal Testing Setup; Wind tunnel test setup
- Page 10 – MECHANICAL DRAWING; Name
- Page 11 – PART NUMBERING SYSTEM; MODEL LIST; MODEL NAME
DS_S48SS12001_06082006
DATASHEET
DS_S48SS12001_06082006
Delta Electronics, Inc.
1
Telecom/DataCom
Wireless Networks
Optical Network Equipment
Server and Data Storage
Industrial/Test Equipment
Delphi Series S48SS, 15W Family
DC/DC Power Module: 48V in, 12V/1.25A out
The Delphi Series S48SS, 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 15 watts of power or up to 4.5A
of output current (for 3.3V and below) in an industry standard footprint.
With creative design technology and optimization of component
placement, the Delphi Series Small Power 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. An encapsulated version is available for the most robust
performance in harsh environments.
Applications
FEATURES
High efficiency: 86.5% @ 12V/1.25A
Standard footprint
Surface mountable
Industry standard pin out
Low profile: 0.48”
Fixed frequency operation
Input UVLO, Output OCP, OVP
No minimum load required
2:1 input voltage range
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 directives
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Summary
DS_s48SS12001_06082006 TECHNICAL SPECIFICATIONS (T A =25°C, airflow rate=300 LFM, V in =48Vdc, nominal Vout unless otherwise noted.) PARAMETER NOTES and CONDITIONS S48SS12001NRFA Min. Typ. Max. Units ABSOLUTE MAXIMUM RATINGS Input Voltage Continuous 80 Vdc Transient (100ms) 100ms 100 Vdc Operating T...
DS_s48SS12001_06082006 ELECTRICAL CHARACTERISTICS CURVES 60 65 70 75 80 85 90 0.25 0.5 0.75 1 1.25 OUTPUT CURRENT (A) EF F IC IEN C Y ( % ) 36Vin 48Vin 75Vin 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 0.25 0.5 0.75 1 1.25 OUTPUT CURRENT (A) P O W E R D ISSI PAT IO N ( W Figure 1: Efficiency vs. load curren...
DS_s48SS12001_06082006 4 ELECTRICAL CHARACTERISTICS CURVES Figure5 : Turn-on transient at zero load current (10 ms/div). Top Trace: Vout (5V/div); Bottom Trace: ON/OFF Control (2V/div). Figure 6: Output voltage response to step-change in load current (50%-75%-50% of Io, max; di/dt = 0.1A/µs). Load c...
