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A0512XMS Datasheet(PDF) 2 Page - Microdc power Technology Co., Ltd |
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A0512XMS Datasheet(HTML) 2 Page - Microdc power Technology Co., Ltd |
2 / 2 page A-XM A-XMS S& & B-XLM B-XLMS S S Series eries http://www.microdc.cn Technical Enquiries-Email:tech@microdc.cn Tel:0086-20-86000646 Page 2 of 2 COMMON COMMON SPECIFICATIONS SPECIFICATIONS Parameter Conditions Min. Typ. Max. Units Storage humidity range 95 % Operating temperature -40 85 ℃ Storage temperature -55 125 Lead temperature 1.5mm from case for 10 seconds 300 Temp.rise at full load 15 25 Cooling Free air convection Case material Plastic(UL94-V0) Short circuit protection* Continuous 1 s MTBF 3500 K hours Weight 2.1 g *Supply voltage must be discontinued at the end of short circuit duration. TYPICAL TYPICAL CHARACTERISTICS CHARACTERISTICS Temperature Derating Graph OUTLINE OUTLINE DIMENSIONS DIMENSIONS & & PIN PIN CONNECTIONS CONNECTIONS SIZE Graph RECOMMENDED FOOTPRINT Top view,grid:2.54mm(0.1inch) diameter:1.00mm(0.039inch) FOOTPRINT FOOTPRINT DETAILS DETAILS Pin Single Dual 1 VIN VIN 2 GND GND 4 0V -Vo 5 NC 0V 6 +Vo +Vo N C - Not available for electrical connection. Note: Unit:mm(inch) Pin section:0.50*0.3mm(0.020*0.012inch) Pin section tolerances:±0.10mm(±0.004inch) General tolerances: ±0.25mm(±0.010inch) 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 is not less than 10% of the full load, and that this product should never be operated under no load! Overload Protection Under normal operating conditions, the output circuit of these products has no protection against overload. 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 testing and application 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). 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 Cin Single Vout Cout Dual Vout Cout (VDC) (μF) (VDC) (μF) (VDC) (μF) 5 47 5 10 ± 5 4.7 12 2.2 9 4.7 ± 9 2.2 24 1.0 12 2.2 ± 12 1.0 -- -- 15 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 conn ected to the in put or outp ut en d in series (Figu re 2). When the environment temperature is higher than 71°C, the product output power should be less than 60% of the rated power. No parallel connection or plug and play. Microdc Professional Power Module,Inc. Tel:0086-20-86000646 E-mail:tech@microdc.cn Website:http://www.microdc.cn RoHS COMPLIANT INFORMATION This series is compatible with RoHS soldering systems with a peak wave solder temperature of 300°C for 10 seconds. The pin termination finish on the SIP package type is Tin Plate, Hot Dipped over Matte Tin with Nickel Preplate. The DIP types are Matte Tin over Nickel Preplate. Both types in this series are backward compatible with Sn/Pb soldering systems. REACH COMPLIANT INFORMATION This series has proven that this product does not contain harmful chemicals, it also has harmful chemical substances through the registration, inspection and approval. |
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