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A1205XT-1W Datasheet(PDF) 2 Page - Microdc power Technology Co., Ltd |
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A1205XT-1W Datasheet(HTML) 2 Page - Microdc power Technology Co., Ltd |
2 / 6 page A A A A A A A A-XT-1W -XT-1W -XT-1W -XT-1W -XT-1W -XT-1W -XT-1W -XT-1W Series Series http://www.microdc.cn Technical Enquiries-Email:tech@microdc.cn Tel:0086-20-86000646 Page 2 of 6 Output Output Output Output Output Output Output Output Specifications Specifications Specifications Specifications Specifications Specifications Specifications Specifications Parameter Conditions Min. Typ. Max. Units Rated Power TA=-40°C to 85°C 1.0 W Voltage Set Point See tolerance envelope Line regulation High VIN to low VIN 1.0 1.2 %% Load regulation1 10% load to rated load, 0303& 0503 10 15 % 10% load to rated load, 5V output types 10 12 % 10% load to rated load, 0309 9.0 10 % 10% load to rated load, 0509 & 1209 6.5 8.0 % 10% load to rated load, 0312 & 0315 11 14 % 10% load to rated load, 0512 & 1212 6.0 8.5 % 10% load to rated load, 0515 & 1215 6.0 7.0 % Ripple&Noise BW=DC to 20MHz, 3.3V output types, A0305 & A0505 40 80 mV p-p BW=DC to 20MHz, all other 5V output types 50 100 mV p-p BW=DC to 20MHz, 9V output types 35 80 mV p-p BW=DC to 20MHz, 12V output types 50 110 mV p-p BW=DC to 20MHz, 15V output types 65 110 mV p-p Note:1、12V input types have typically 3% less load regulation change. Temperature Temperature Temperature Temperature Temperature Temperature Temperature Temperature Characteristics Characteristics Characteristics Characteristics Characteristics Characteristics Characteristics Characteristics Parameter Conditions Min. Typ. Max. Units Specification All output types -40 85 ℃ Storage -55 125 ℃ Case temperature rise above ambient 0305, 0505, 0312, 0315 19 ℃ 0303, 0309, 0503 25 ℃ 0505, 1205 46 ℃ All other variants 35 ℃ Cooling Free air convection Technical Technical Technical Technical Technical Technical Technical Technical notes notes notes notes notes notes notes notes ISOLATION ISOLATION ISOLATION ISOLATION VOLTAGE VOLTAGE VOLTAGE VOLTAGE ‘Hi Pot Test’、“Flash Tested’、”Withstand Voltage“、‘Proof Voltage”、“Dielectric Withstand Voltage'&'Isolation Test Voltage”are all terms that relate to the same thing, a test voltage, applied for a specified time, across a component designed to provide electrical isolation, to verify the integrity of that isolation. Professional Power Module A-XT series of DC/DC converters are all 100% production tested at their stated isolation voltage. This is 1kVDC for 1 second. A question commonly asked is, “What is the continuous voltage that can be applied across the part in normal operation?” For a part holding no specifi c agency approvals, such as the A-XT series, both input and output should normally be maintained within SELV limits i.e. less than 42.4V peak, or 60VDC. The isolation test voltage represents a measure of immunity to transient voltages and the part should never be used as an element of a safety isolation system. The part could be expected to function correctly with several hundred volts offset applied continuously across the isolation barrier; but then the circuitry on both sides of the barrier must be regarded as operating at an unsafe voltage and further isolation/insulation systems must form a barrier between these circuits and any user-accessible circuitry according to safety standard requirements. REPEATED REPEATED REPEATED REPEATED HIGH-VOLTAGE HIGH-VOLTAGE HIGH-VOLTAGE HIGH-VOLTAGE ISOLATION ISOLATION ISOLATION ISOLATION TESTING TESTING TESTING TESTING It is well known that repeated high-voltage isolation testing of a barrier component can actually degrade isolation capability, to a lesser or greater degree depending on materials, construction and environment. The A-XT series has toroidal isolation transformers, with no additional insulation between primary and secondary windings of enameled wire. While parts can be expected to withstand several times the stated test voltage, the isolation capability does depend on the wire insulation. Any material, including this enamel (typically polyurethane) is susceptible to eventual chemical degradation when subject to very high applied voltages thus implying that the number of tests should be strictly limited. We therefore strongly advise against repeated high voltage isolation testing, but if it is absolutely required, that the voltage be reduced by 20% from specifi ed test voltage. This consideration equally applies to agency recognized parts rated for better than functional isolation where the wire enamel insulation is always supplemented by a further insulation system of physical spacing or barriers. Temperature Temperature Temperature Temperature Temperature Temperature Temperature Temperature derating derating derating derating derating derating derating derating graph graph graph graph graph graph graph graph |
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