Delta Electronics S36SS user manual

User manual for the device Delta Electronics S36SS

Device: Delta Electronics S36SS
Category: Power Supply
Manufacturer: Delta Electronics
Size: 0.71 MB
Added : 2/18/2014
Number of pages: 11
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Summaries

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Abstracts of contents
Summary of the content on the page No. 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

Summary of the content on the page No. 2

TECHNICAL SPECIFICATIONS (T =25°C, airflow rate=300 LFM, V =48Vdc, nominal Vout unless otherwise noted.) A in PARAMETER NOTES and CONDITIONS S36SS3R304NRFA Min. Typ. Max. Units ABSOLUTE MAXIMUM RATINGS Input Voltage Continuous 70 Vdc Transient (100ms) 100ms 100 Vdc Operating Temperature Refer to Figure 16 for the measuring point -40 105 °C Storage Temperature -55 125 °C Input/Output Isolation Voltage 1 minute 1500 Vdc INPUT CHARACTERISTICS Operating Input

Summary of the content on the page No. 3

ELECTRICAL CHARACTERISTICS CURVES 90 4.0 85 3.5 3.0 80 75 2.5 2.0 70 1.5 65 18Vin 18Vin 24Vin 24Vin 1.0 60 48Vin 48Vin 60Vin 60Vin 0.5 55 0.0 50 0.5 1 1.5 2 2.5 3 3.5 4 4.5 0.5 1 1.5 2 2.5 3 3.5 4 4.5 OUTPUT CURRENT(A) OUTPUT CURRENT (A) Figure 1: Efficiency vs. load current for minimum, nominal, and Figure 2: Power dissipation vs. load current for minimum, maximum input voltage at 25°C. nominal, and maximum input voltage at 25°C. 1.00 Io=4.5A I0=2.7A 0.80 Io=0.45 0.60 0.40 0.20 0.00 15 20

Summary of the content on the page No. 4

ELECTRICAL CHARACTERISTICS CURVES Figure5: Turn-on transient at zero load current (2 ms/div). Top Figure 6: Output voltage response to step-change in load Trace: Vout (1V/div); Bottom Trace: ON/OFF Control (2V/div). current (50%-100%-50% of Io, max; di/dt = 0.1A/µs). Load cap: 10µF, 100 m Ω ESR tantalum capacitor and 1µF ceramic capacitor. Top Trace: Vout (50mV/div), Bottom Trace: Iout (2A/div). i s TEST Vi(+) 12uH Cs:68uF/100V 68uF/100V ESR< 0.3 ESR< 0.3 Ω Ω ﹫ 20 ℃100KHz ﹫ 20 ℃

Summary of the content on the page No. 5

ELECTRICAL CHARACTERISTICS CURVES Copper Strip Vo(+) SCOPE RESISTIVE 10u 1u LOAD Vo(-) Figure 9: Output voltage noise and ripple measurement test Figure 10: Output voltage ripple at nominal input voltage and setup. Scope measurement should be made using a BNC rated load current (20 mV/div). Load capacitance: 1µF ceramic cable (length shorter than 20 inches). Position the load capacitor and 10µF tantalum capacitor. Bandwidth: 20 MHz. between 51 mm to 76 mm (2 inches to 3 inches) from t

Summary of the content on the page No. 6

DESIGN CONSIDERATION This power module is not internally fused. To achieve Input Source Impedance optimum safety and system protection, an input line fuse is highly recommended. The safety agencies The impedance of the input source connecting to the require a normal-blow fuse with 3A maximum rating to DC/DC power modules will interact with the modules be installed in the ungrounded lead. A lower rated fuse and affect the stability. A low ac-impedance input can be used based on

Summary of the content on the page No. 7

20.373 − 32.637 ×0.1 FEATURES DESCRIPTIONS [] Rtrim − down = − 10.2 = 38.96 ΚΩ 3.3 ×0.1 + 0.018 Over-Current Protection Vo(+) The modules include an internal output over-current protection circuit, which will endure current limiting for an unlimited duration during output overload. If the Trim output current exceeds the OCP set point, the modules will automatically shut down (hiccup mode). R trim-up Vo(-) The modules will try to restart after shutdown. If the overload condition

Summary of the content on the page No. 8

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. Thermal Testing Setup Delta’s DC/DC power modules are characterized in heated vertica

Summary of the content on the page No. 9

THERMAL CURVES S36SS3R304(Standard) Output Current vs. Ambient Temperature and Air Velocity Output Current(A) @ Vin = 60V 5.0 4.5 4.0 Natural 3.5 Convection 100LFM 3.0 2.5 200LFM 2.0 300LFM 1.5 400LFM 1.0 500LFM 0.5 600LFM 0.0 40 45 50 55 60 65 70 75 80 85 Ambient Temperature ( ℃) Figure 16: Temperature measurement location. Pin locations Figure 19: Output current vs. ambient temperature and air are for reference only. velocity (Vin=60V) *The allowed maximum hot spot temperature i

Summary of the content on the page No. 10

MECHANICAL DRAWING Pin No. Name Function 1 +Vout Positive output voltage 2 -Vout Negative output voltage 3 Trim Output voltage trim 4 NC No Connection 5 NC No Connection 6 NC No Connection 7 NC No Connection 8 ON/OFF ON/OFF Logic 9 NC No Connection 10 NC No Connection 11 -Vin Negative input voltage 12 +Vin Positive input voltage 10

Summary of the content on the page No. 11

PART NUMBERING SYSTEM S 36 S S 3R3 04 N R F A Form Input Number of Product Output Output ON/OFF Pin Type Option Factor Voltage Outputs Series Voltage Current Logic Code S- Small 36- 18V~ 60V S- Single S- SMD 3R3- 3.3V 04- 4.5A N- Negative R- SMD Pin A- Standard Space-RoHS 5/6 Power P- Positive Function F- RoHS 6/6 (Lead Free) MODEL LIST MODEL NAME INPUT OUTPUT EFF @ 100% LOAD S36SS3R304NRFA 18V- 60V 1.3A 3.3V 4.5A 81% CONTACT:


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