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D241515S-2W Datasheet(PDF) 2 Page - MORNSUN Science& Technology Ltd. |
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D241515S-2W Datasheet(HTML) 2 Page - MORNSUN Science& Technology Ltd. |
2 / 2 page The copyright and authority for the interpretation of the products are reserved by MORNSUN Specifications subject to change without notice. D_S-2W A/4-2012 Page 2 of 2 OUTPUT SPECIFICATIONS APPLICATION NOTE Item Test conditions Min Typ Max Units Line regulation For Vin change of 1% ±1.2 10% to 100% load(5V Output) 12.8 15 10% to 100% load(9V Output) 8.3 10 10% to 100% load(12V Output) 6.8 10 Load regulation 10% to 100% load(15V Output) 6.3 10 % Output voltage accuracy See tolerance envelope graph Temperature drift 100% full load 0.03 %/ °C Output ripple& Noise* 20MHz Bandwidth 100 150 mVp-p Switching frequency Full load, nominal input 70 KHz *Test ripple and noise by “parallel cable” method. See detailed operation instructions at Testing of Power Converter section, application notes. Note: 1. All specifications measured at TA=25 °C, humidity<75%, nominal input voltage and rated output load unless otherwise specified. 2. See below recommended circuits for more details. 3. Operation under minimum load will not damage the converter; However, they may not meet all specification listed, and that will reduce the life of product TYPICAL CHARACTERISTICS Operating Temp.( C) o OUTLINE DIMENSIONS & PIN CONNECTIONS 1 2 4 5 6 7 Vin G ND 0 V1 + Vo1 0 V2 + Vo2 4 Pin Fun c tion FOOTPRINT DETAILS Note: Unit:mm[inc h] Pin section tolerances: ± 0.10mm[ ±0.004inch] General tolerances: ± 0.50mm[ ±0.020inch] MECHANICAL DIMENSIONS RECOMMENDED FOOTPRINT TUBE OUTLINE DIMENSIONS Note: Unit :mm[inch] General tolerances: ±0.50mm[±0.020inch] L=530mm[20.866inch] Devices per tube quantity : 25pcs L=220mm[8.661inch] Devices per tube quantity: 10pcs (Bo ttom Vie w) (Front View) Short tube inner packaging dimensions: L*W*H=255*170*80mm; Short tube outer packaging dimensions(with six inner packaging boxes): : : L*W*H=375*280*270mm; Long tube inner packaging dimensions: L*W*H=580*200*100mm; Long tube outer packaging dimensions(with two inner packaging boxes) L*W*H=600*215*220mm; Long tube outer packaging dimensions(with three inner packaging boxes) L*W*H=600*215*325mm. Note grid 2.54*2.54mm : . ∅1.00 [0.039] 1 2 5 6 7 9.60 [0.378] 4.90 [0.193] 12 5 7 6 19.60[0.772] 0.50[0.020] 15.24[0.600] 2.54[0.100] 4 Requirement on output load To ensure this module can operate efficiently and reliably, a minimum load is specified for this kind of DC/DC converter in addition to a maximum load (namely full load). During operation, make sure the specified range of input voltage is not exceeded, the minimum output load could not be less than 10% of the full load. If the actual output power is very small, please connect a resistor with proper resistance at the output end in parallel to increase the load, or use our company ’s products with a lower rated output power. Overload Protection Under normal operating conditions, the output circuit of these products has no protection against over-current and short-circuits. The simplest method is to connect a self-recovery fuse in series at the input end or add a circuit breaker to the circuit. Recommended and testing circuit If you want to further decrease the input/output ripple, an “LC” filtering network may be connected to the input and output ends of the DC/DC converter, see (Figure 1). Vin GND +Vo1 0V1 DC Cin L DC Cout +Vo2 0V2 L Cout L (Figure 1) It should also be noted that the inductance and the frequency of the “LC” filtering network should be staggered with the DC/DC frequency to avoid mutual interference. However, the capacitance of the output filter capacitor must be proper. If the capacitance is too big, a startup problem might arise. For every channel of output, provided the safe and reliable operation is ensured, the recommended capacitance of its filter capacitor sees (Table 1). EXTERNAL CAPACITOR TABLE (Table 1) Vin (VDC) Cin ( μF) Vout (VDC) Cou ( μF) 5 4.7 5 4.7 12 2.2 9 2.2 24 1 12 1 -- -- 15 0.47 It ’s not recommend to connect any external capacitor in the application field with less than 0.5 watt output. Output Voltage Regulation and Over-voltage Protection Circuit The simplest device for output voltage regulation, over-voltage and over-current protection is a linear voltage regulator with overheat protection that is connected to the input or output end in series (Figure 2). Vin GND Vin GND REG Vo1 0V1 Vo1 0V1 DC DC DC DC Vo2 0V2 Vo2 0V2 REG REG (Figure 2) No parallel connection or plug and play. |
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