Delta Electronics S48SA user manual

User manual for the device Delta Electronics S48SA

Device: Delta Electronics S48SA
Category: Power Supply
Manufacturer: Delta Electronics
Size: 0.93 MB
Added : 11/24/2013
Number of pages: 13
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Summaries

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Abstracts of contents
Summary of the content on the page No. 1

FEATURES
High efficiency: 90.5% @ 5V/ 6.6A
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, QS 9000,
OHSAS 18001 certified manufacturing
facility
UL/cUL 60950 (US & Canada) recognized,
and TUV (EN60950) certified
CE mark meets 73/23/EE

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 S48SA05006NRFA Min. Typ. Max. Units ABSOLUTE MAXIMUM RATINGS Input Voltage Continuous 80 Vdc Transient (100ms) 100ms 100 Vdc Operating Temperature Refer to Figure 18 for measuring point -40 115 °C Storage Temperature -55 125 °C Input/Output Isolation Voltage 1 minute 1500 Vdc INPUT CHARACTERISTICS Operating Input Volt

Summary of the content on the page No. 3

ELECTRICAL CHARACTERISTICS CURVES 4.0 95 3.5 90 3.0 85 2.5 2.0 80 1.5 75 1.0 36Vin 36Vin 48Vin 48Vin 70 75Vin 0.5 75Vin 0.0 65 123456 6.6 12 34 5 6 6.6 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. 1.2 Io=6.6A Io=3.96A 1.0 Io=0.66A 0.8 0.6 0.4 0.2 0.0 30 35 40 45 50 55 60 65 70 75 INPUT VOLTAGE (V)

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 (2V/div); Bottom Trace: ON/OFF Control (5V/div). current (50%-75% 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). Figure 7: Output voltage response to step-change in load Figure 8: Test set-up diagra

Summary of the content on the page No. 5

ELECTRICAL CHARACTERISTICS CURVES Copper Strip Vo(+) SCOPE RESISTIVE 10u 1u LOAD Vo(-) Figure 10: Output voltage noise and ripple measurement test Figure 9: Input Reflected Ripple Current, i , at full rated output s setup. Scope measurement should be made using a BNC current and nominal input voltage with 12µH source impedance cable (length shorter than 20 inches). Position the load and 33µF electrolytic capacitor (2 mA/div). between 51 mm to 76 mm (2 inches to 3 inches) fro

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

FEATURES DESCRIPTIONS Vi(+) Vo(+) Over-Current Protection Sense(+) The modules include an internal output over-current ON/OFF protection circuit, which will endure current limiting for Sense(-) an unlimited duration during output overload. If the output current exceeds the OCP set point, the modules Vi(-) Vo(-) will automatically shut down (hiccup mode). The modules will try to restart after shutdown. If the Figure 13: Remote on/off implementation overload condition still exi

Summary of the content on the page No. 8

Output Voltage Adjustment (TRIM) 69(100 + ∆Vo%) −1690 Rtrim − up = − 73.1[] ΚΩ To increase or decrease the output voltage set point, the ∆Vo% modules may be connected with an external resistor between the TRIM pin and either the Vo+ or Vo -. The Ex. When trim-up +10% (5V X 1.1 = 5.5V) TRIM pin should be left open if this feature is not used. 69(100 +10) −1690 Rtrim − up = − 73.1 = 516.9[] ΚΩ 10 Care should be taken to ensure that the maximum output power of the module remains

Summary of the content on the page No. 9

THERMAL CONSIDERATIONS THERMAL CURVES 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

Summary of the content on the page No. 10

PICK AND PLACE LOCATION SURFACE-MOUNT TAPE & REEL RECOMMENDED PAD LAYOUT (SMD) 10 DS_S48SA05006_06022006

Summary of the content on the page No. 11

LEADED (Sn/Pb) PROCESS RECOMMEND TEMP. PROFILE Peak temp. 2nd Ramp-up temp. 210~230 °C 5sec. 1.0~3.0 °C /sec. 250 Pre-heat temp. 140~180 °C 60~120 sec. 200 Cooling down rate <3 C /sec. ° Ramp-up temp. 0.5~3.0 °C /sec. 150 100 Over 200 °C 40~50sec. 50 0 1 60 20 180 240 300 Time ( sec. ) Note: The temperature refers to the pin of S48SA, measured on the pin 1 (+Vout ) joint. LEAD FREE (SAC) PROCESS RECOMMEND TEMP. PROFILE Temp. Peak Temp. 240 ~ 245 ℃ 217 ℃ R

Summary of the content on the page No. 12

MECHANICAL DRAWING SMD Through-Hole Pin No. Name Function 1 +Vout Positive output voltage 2 -Vout Negative output voltage 6 Trim Output voltage trim 8 ON/OFF ON/OFF logic 11 -Vin Negative input voltage 12 +Vin Positive input voltage Optional Pin Name Function 4 +Sense (Option) Positive sense pin 5 -Sense (Option) Negative sense pin 9 NC No connection 12 DS_S48SA05006_0602200

Summary of the content on the page No. 13

PART NUMBERING SYSTEM S 48 S A 050 06 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 48V S- Single A- Advanced 1R2-1.2V 03- 3.0V N- Negative R- SMD A- 9 pin, no sense F- RoHS 6/6 Power 1R5-1.5V 06- 6.6A P- Positive T- Through hole B- 6 pin, no sense (Lead Free) 1R8-1.8V 10- 10A C- 9 pins with 2R5-2.5V 12- 12A sense 3R3- 3.3V (12V has option B 050- 5.0V only) 120- 12V * Option code A includ


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