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20IMX15 Datasheet(PDF) 6 Page - Bel Fuse Inc. |
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20IMX15 Datasheet(HTML) 6 Page - Bel Fuse Inc. |
6 / 19 page IMX15, IMY15 , IMS15 Series Data Sheet 15 Watt DC-DC Converters BCD20008-G Rev AE, 25-Aug-2017 Page 6 of 19 MELCHER The Power Partners. Table 2b: Input Data of IMS15 models; general conditions as in table 2a Input 24IMS 48IMS Unit Characteristics Conditions min typ max min typ max Vi Input voltage range1 TA min – TA max 14 36 36 75 V Vi nom Nominal input voltage Io = 0 – Io nom 24 48 Vi sur Repetitive surge voltage Abs. max input (3 s) 50 100 tstartup Converter Switch on Worst case condition at 0.25 0.5 0.25 0.5 s start-up time 2 SD high Vi min, Io = Io nom 0.1 0.1 trise Rise time 2 Vi nom, resistive load 5 5 ms Io nom, capac. load 10 20 10 20 Ii o No-load input current Io = 0, Vi min – Vi max 20 40 10 20 mA Iirr Reflected ripple current Io = 0 – Io nom 30 30 mApp Iinr p Inrush peak current 3 Vi = Vi nom 5 4.5 A C i Input capacitance for surge calculation 4 2 µF VS–D– Shut-down voltage Converter disabled –10 to 0.7 –10 to 0.7 V Converter operating open or 2 – 20 open or 2 – 20 RS–D– Shut-down input resistance approx. 10 approx. 10 k Ω IS–D– Input current, when Vi min – Vi max 1.2 3 1.2 3 mA disabled SD connected to Vi– fs Switching frequency Vi min – Vi max, approx. 300 approx. 300 kHz Io = 0 – Io nom Vi RFI Input RFI level conducted EN 55022 4 AA 1 If Vo is set above Vo nom by use of the R or Trim input, Vi min will be proportionately increased. 2 Measured with resistive and max. admissible capacitive load. 3 Source impedance according to ETS 300132-2, version 4.3. 4 Measured with a ceramic capacitor Ci directly across input; output lead length 0.1 m, leads twisted. Double-output models with both outputs in parallel. Ci is specified in table 11. 5 Input undervoltage lockout at typ. 80% of Vi min. |
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