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48IMS7 Datasheet(PDF) 4 Page - Bel Fuse Inc. |
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48IMS7 Datasheet(HTML) 4 Page - Bel Fuse Inc. |
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4 / 14 page  IMX7, IMS7 Series Data Sheet 7-Watt DC-DC Converters BCD20007-G Rev AF, 31-Jul-2015 Page 4 of 14 MELCHER The Power Partners. Electrical Input Data General conditions: –TA = 25 °C, unless TC is specified. – Connector pin i connected with Vi–. – Trim or R input not connected. Table 2a: Input data of IMX7 Input 20IMX7 40IMX7 70IMX7 110IMX7 Unit Characteristics Conditions min typ max min typ max min typ max min typ max Vi Input voltage range1 TC min – TC max 8.4 36 16.8 6 75 40 121 60 1507 V Vi nom Nominal input voltage Io = 0 – Io nom 20 40 70 110 Vi sur Repetitive surge voltage abs. max input (3 s) 50 5 100 150 tstart up Converter 2 switch on Worst case condition at 0.25 0.5 0.25 0.5 0.25 0.5 0.25 0.5 s start-up time inh. release Vi min and full load 0.1 0.1 0.1 0.1 t rise Rise time 2 Vi nom resistive load 5 5 5 5 ms Io nom capacitive load 12 12 12 12 Ii o No load input current Io = 0, Vi min – Vi max 15 30 8 15 8 15 8 15 mA C i Input capacitance (for surge calculation) 4.7 0.5 0.2 0.2 µF Vinh Inhibit voltage converter operating –10 +0.8 –10 +0.8 –10 +0.8 –10 +0.8 V converter inhibited 2.4 Vi max 2.4 Vi max 2.4 Vi max 2.4 Vi max or open or open or open or open Iinh Inhibit current converter operating –0.5 –0.5 –0.5 – 0.5 mA converter inhibited 1 1 1 1 Ii inh Input current when the Vi min – Vi max 33 3 3 converter is inhibited Iinr p Inrush peak current Vi = Vi nom 4 3.8 3.7 4.2 5.6 A fs Switching frequency Vi min – Vi max, Io = 0 – Io nom approx. 400 approx. 400 approx. 400 approx. 300 kHz Ii rr Reflected ripple current Io = 0 – Io nom 50 30 20 10 mApp Vi RFI Input RFI level conducted EN 55022 3 AA A A 1 Vi min will not be as stated, if Vo is increased above Vo nom by use of the R or Trim input. If the output voltage is set to a higher value, Vi min will be proportionally increased. 2 Measured with a resistive and the max. admissible capacitive load. 3 Measured with a lead length of 0.1 m, leads twisted. Double-output models with both outputs in parallel. 70/110 IMX7 models need an external capacitor at the input, e.g., 1 µF film or ceramic. 4 Source impedance according to ETS 300132-2, version 4.3, at Vi nom. 5 The DC-DC converter shuts down automatically at approx. 38 V. 6 Operation at lower input voltage possible: Po approx. 80% of Po nom at Vi min = 14.4 V. 7 Up to 154 V for 2 s Fig. 3 Converter start-up and rise time V o nom V o t start up t rise t 04008a |
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Similar Description - 48IMS7 |
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