Instruction/ maintenance manual of the product S24SA Delta Electronics
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DATASHEET DS _ S24S A 1R812 _ 05092006 Delta Electronics, Inc. Delphi Series S24SA, 2”x1” Family DC/DC Power Modules: 18~36Vin, 1.8V, 12A out The Delphi Series S24SA, surface mou ntable, 24V input.
DS_S24SA1R812_05092 006 TECHNICAL SPECIFICATIONS (T A =25°C, airflow rate=200 LFM, V in =24Vdc, nominal V out unless otherw ise noted.) PARAMETER NOTES and CONDITIONS S24SA1R812NRFA Min. Ty p. Max. Units Units ABSOLUTE MAXIMUM RA TINGS Input Voltage Continuous -0.
DS_S24SA1R812_05092 006 ELECTRICAL CHARACTERISTICS CURVES 50 55 60 65 70 75 80 85 90 95 0. 1 2 4 6 8 10 12 O UTP UT CURRE NT (A ) EFFICIENCY (%) 18Vi n 24V in 36V i n 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 0.1 2 4 6 8 10 12 O UT PUT CURRE NT (A ) POWER DISSIPATION (W) 18Vi n 24V i n 36V i n Figure 1: Efficiency vs.
DS_S24SA1R812_05092 006 4 ELECTRICAL CHARACT ERISTICS CURVES Figure5 : Turn-on transie nt at zero load current (2 ms/div). Top Trace: Vout (1mV/div); Bottom Trace: ON/OFF Control (5V/div). Figure 6: Output voltage response to step-change in l oad current (50%-75% of Io, max; di/dt = 0.
DS_S24SA1R812_05092 006 ELECTRICAL CHARACTERISTICS CURVES Strip Copper Vo(-) Vo(+) 10u 1u SCOPE RESISTIV E LOAD Figure 9 : Input Reflected Ripple Current, i s , at full rated output current and nominal i nput voltage with 12 µ H source impedance and 100 µ F electrolytic capacitor (2 mA/div).
DS_S24SA1R812_05092 006 This power module is not internally fused. To a chieve optimum safety and system protection, an input line fuse is highly recommended. T he safety agencies require a normal-blow fuse with 5A maximum rating to be installed in the ungrounded le ad.
DS_S24SA1R812_05092 006 7 Vo(+) Vi(+) Vo(-) Sense(-) Sense(+) Vi(-) ON/OFF Figure 13: Remote on/off implementation Remote Sense (Optional) Remote sense compensates for voltage drop s on the output by sensing the actual output voltage at the p oint of load.
DS_S24SA1R812_05092 006 [] ΚΩ − ∆ = − 104 % Vo up Rtrim − ∆ + 1089 %) 100 ( 8 . 23 Vo Ex. When trim-up +10% (1.8V X 1.1 = 1.98V) [ ] ΚΩ = − = − 9 .
DS_S24SA1R812_05092 006 9 THERMAL CONSIDERATIONS Thermal management is an im porta nt part of the system design. To ensure proper, reliable operation, sufficie nt cooling of the power module is neede d over the entire temperature range of the modul e.
DS_S24SA1R812_05092 006 10 PICK AND PLACE LOCATION SURFAC E-MOUNT TAPE & REEL RECOMMENDED PAD LAYOUT (SMD).
DS_S24SA1R812_05092 006 Temp . Time 150 ℃ 200 ℃ 100~140 sec. Time Limited 9 0 sec. above 217 ℃ 217 ℃ Preheat time Ramp up max. 3 ℃ /sec. Ramp down max. 4 ℃ /s ec. Peak Tem p . 240 ~ 245 ℃ 25 ℃ Note: The temperature refers to the pin of S24SA, measured on the pin +Vout joint.
DS_S24SA1R812_05092 006 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 Po.
DS_S24SA1R812_05092 006 14 PART NUMBERING SYSTEM S 24 S A 1R8 12 N R F A Form Factor Input Voltage Number of Outputs Product Series Output Voltage Output Current ON/OFF Logic Pin Type Option Code S- Small Power 24V S- Single A- Advanced 1R2-1.2V 1R5-1.
An important point after buying a device Delta Electronics S24SA (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Delta Electronics S24SA yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Delta Electronics S24SA - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Delta Electronics S24SA you will learn all the available features of the product, as well as information on its operation. The information that you get Delta Electronics S24SA will certainly help you make a decision on the purchase.
If you already are a holder of Delta Electronics S24SA, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Delta Electronics S24SA.
However, one of the most important roles played by the user manual is to help in solving problems with Delta Electronics S24SA. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Delta Electronics S24SA along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
