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Delphi Series S36SS, 15W Family
DC/DC Power Modules: 18Vin to 60Vin, 3.3V/4.5A out
The Delphi Series S36SS, surface mountable, wide ranging 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 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.
DATASHEET
DS_S36SS3R304_04062006
1
FEATURES
High efficiency: 81% @ 3.3V/4.5A
Standard footprint
Surface mountable
Industry standard pin out
Size: 45.5mm x 28.0mm x 12.2mm
(1.79" x 1.10" x 0.48")
Fixed frequency operation
Input UVLO, OVLO, Output OCP, OVP
No minimum load required
Wide Input voltage range: 18V~60V
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
OPTIONS
Positive on/off logic
APPLICATIONS
Telecom/DataCom
Wireless Networks
Optical Network Equipment
Server and Data Storage
Industrial/Test Equipment
Delta Electronics, Inc.
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Summary of Contents for Delta Electronics Delphi S36SS
- Page 1 Delphi Series S36SS, 15W Family DC/DC Power Modules: 18Vin to 60Vin, 3.3V/4.5A out The Delphi Series S36SS, surface mountable, wide ranging 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.
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Page 2: Technical Specifications
TECHNICAL SPECIFICATIONS =25°C, airflow rate=300 LFM, V =48Vdc, nominal Vout unless otherwise noted.) PARAMETER ABSOLUTE MAXIMUM RATINGS Input Voltage Continuous Transient (100ms) Operating Temperature Storage Temperature Input/Output Isolation Voltage INPUT CHARACTERISTICS Operating Input Voltage Input Under-Voltage Lockout Turn-On Voltage Threshold Turn-Off Voltage Threshold Lockout Hysteresis Voltage Input Over-Voltage Lockout... - Page 3 ELECTRICAL CHARACTERISTICS CURVES OUTPUT CURRENT (A) Figure 1: Efficiency vs. load current for minimum, nominal, and maximum input voltage at 25 ° 1.00 0.80 0.60 0.40 0.20 0.00 INPUT VOLTAGE (V) Figure 3: Typical input characteristics at room temperature. 18Vin 24Vin 48Vin 60Vin...
- Page 4 ELECTRICAL CHARACTERISTICS CURVES Turn-on transient at zero load current (2 ms/div). Top Figure5 Trace: Vout (1V/div); Bottom Trace: ON/OFF Control (2V/div). TEST 12uH Cs:68uF/100V 68uF/100V ESR< 0.3 ESR< 0.3 Ω 100KHz ℃ 100KHz ﹫ ℃ ﹫ Test set-up diagram showing measurement points for Figure 7 Input Reflected Ripple Current (Figure 8).
- Page 5 ELECTRICAL CHARACTERISTICS CURVES Copper Strip Vo(+) Vo(-) Output voltage noise and ripple measurement test Figure 9 setup. Scope measurement should be made using a BNC cable (length shorter than 20 inches). Position the load between 51 mm to 76 mm (2 inches to 3 inches) from the module.
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Page 6: Design Consideration
DESIGN CONSIDERATION Input Source Impedance The impedance of the input source connecting to the DC/DC power modules will interact with the modules and affect the stability. A low ac-impedance input source is recommended. If the source inductance is more than a few µH, we advise adding a 10 to 100 µF electrolytic capacitor (ESR <... -
Page 7: Features Descriptions
FEATURES DESCRIPTIONS Over-Current Protection The modules include an internal output over-current protection circuit, which will endure current limiting for an unlimited duration during output overload. If the output current exceeds the OCP set point, the modules will automatically shut down (hiccup mode). The modules will try to restart after shutdown. -
Page 8: Thermal Considerations
THERMAL CONSIDERATIONS Thermal management is an important part of the system design. To ensure proper, reliable operation, sufficient cooling of the power module is needed over the entire temperature range of the module. Convection cooling is usually the dominant mode of heat transfer. Hence, the choice of equipment to characterize the thermal performance of the power module is a wind tunnel. -
Page 9: Thermal Curves
THERMAL CURVES Figure 16: Temperature measurement location. Pin locations are for reference only. The allowed maximum hot spot temperature is defined at ＊ ℃ S36SS3R304(Standard) Output Current vs. Ambient Temperature and Air Velocity @ Vin = 24V Output Current(A) Natural Convection 100LFM 200LFM... -
Page 10: Mechanical Drawing
MECHANICAL DRAWING Pin No. Name +Vout -Vout Trim ON/OFF -Vin +Vin Function Positive output voltage Negative output voltage Output voltage trim No Connection No Connection No Connection No Connection ON/OFF Logic No Connection No Connection Negative input voltage Positive input voltage... -
Page 11: Part Numbering System
PART NUMBERING SYSTEM Form Input Number of Factor Voltage Outputs S- Small 36- 18V~ 60V S- Single Power MODEL LIST MODEL NAME S36SS3R304NRFA 18V- 60V CONTACT www.delta.com.tw/dcdc USA: Telephone: East Coast: (888) 335 8201 West Coast: (888) 335 8208 Fax: (978) 656 3964 Email: DCDC@delta-corp.com WARRANTY...
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