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IA0512KP-1W Datasheet(PDF) 2 Page - MORNSUN Science& Technology Ltd. |
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IA0512KP-1W Datasheet(HTML) 2 Page - MORNSUN Science& Technology Ltd. |
2 / 2 page MORNSUN reserves the copyright Specifications subject to change without notice. IA_KP-*W A/1-2008 Page 2 of 2 COMMON SPECIFICATION Item Test conditions Min Typ Max Units Storage humidity 95 % Operating temperature -40 85 Storage temperature -55 125 Temp. rise at full load 20 30 Lead temperature) 1.5mm from case for 10 seconds 300 °C Short circuit protection* 1 s Cooling Free air convection Case material Plastic(UL94-V0) MTBF 3500 K hours Weight 11 g *Supply voltage must be discontinued at the end of short circuit duration. TYPICAL CHARACTERISTICS Operating Temp.( ) C Temperature Derating Graph OUTLINE DIMENSIONS & PIN CONNECTIONS FOOTPRINT DETAILS Pin Duals 1,24 12,13 2,23 11,14 3,10,15,22 Vin GND -Vo +Vo 0V 2 3 12 11 1 10 14 13 22 23 24 15 RECOMMENDED FOOTPRINT Top view,grid:2.54mm(0.1inch) diameter:1.00mm(0.039inch) Note: Unit:mm(inch) Pin diameter:0.50mm (0.020inch) Pin diameter tolerances: 0.10mm( 0.004inch) General tolerances: 0.25mm( 0.010inch) 10 11 15 14 31.80 2.00 (0.079) 9.50 (0.374) 24 1 12 (1.252) 23 2 22 3 4.10 First Angle Projection (Bottom Vie w) APPLICATION NOTE Requirement on output load To ensure this module can operate efficiently and reliably, During operation, the minimum output load is not less than 10% of the full load, and that this product should never be operated under no 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. Recommended 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 +Vo 0V DC Cin L L DC L Co ut Cout -Vo (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 greatest capacitance of its filter capacitor sees (Table 1). EXTERNAL CAPACITOR TABLE (Table 1) Vin(VDC) Cin(uF) Vout(VDC) Cout(uF) 5 4.7 ±5 4.7 12 2.2 ±9 2.2 24 1 ±12 1 - - ±15 0.47 It ’s not recommended to connect any external capacitor in the application field with less than 0.5 watt output. 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. Input Over-voltage Protection Circuit The simplest device for input over-voltage protection is a linear voltage regulator with overheat protection that is connected to the input end in series (Figure 2). Vin GND 0V +Vout DC DC -Vout REG (Figure 2) When the environment temperature is higher than 71 °C, the product output power should be less then 60% of the rated power. No parallel connection or plug and play. |
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