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IMX35 Datasheet(PDF) 4 Page - Bel Fuse Inc. |
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IMX35 Datasheet(HTML) 4 Page - Bel Fuse Inc. |
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4 / 16 page  tech.support@psbel.com belfuse.com/power-solutions BCD20009-G Rev F, 20-Nov-2020 Page 4 of 16 IMX35 Series 35 Watt Quad-Output DC-DC Converter © 2020 Bel Power Solutions & Protection Electrical Input Data General conditions: T A = 25 °C, unless specified Pins 8 (shutdown or i), 6 (W), 5 (Trim or Trim1), and 1 (PUL) left open-circuit (not connected), unless specified. Table 2: Input Data Model 20IMX35 40IMX35 Unit Characteristics Conditions min typ max min typ max V i Input voltage range 1 T A min to TA max, I o = 0 to Io nom 9 2 36 18 2 75 V V i nom Nominal input voltage 20 40 V i sur Repetitive surge voltage Abs. max input (3 s) 40 100 t start-up Converter start-up time 2 Switch on Worst case condition at V i min, and full load 0.25 0.5 0.25 0.5 s SD high 0.1 0.1 t rise Rise time 3 V i nom, resistive load 3 3 ms I o nom, capacitive load 6 12 6 12 I i o No-load input current I o = 0, Vi min to Vi max 70 50 mA I i rr Reflected ripple current I o = 0 to I o nom 30 30 mA pp I i inr p Inrush peak current 4 V i = Vi nom 8 9 A C i Input capacitance For surge calculation 2 1.3 µF V SD Shutdown voltage Converter disabled -10 to +0.7 -10 to +0.7 V Converter operating open circuit or 2 to 20 open circuit or 2 to 20 R SD Shutdown input resistance approx. 10 approx. 10 kΩ I SD Input current during shutdown V i min to Vi max 12 6 mA f s Switching frequency V i min to Vi max, Io = 0 to I o nom 220 240 220 240 kHz Model 70IMX35 110IMX35 Unit Characteristics Conditions min typ max min typ max V i Input voltage range 1 T A min to TA max, I o = 0 to Io nom 40 2 121 60 2 150 5 V V i nom Nominal input voltage 70 110 V i sur Repetitive surge voltage Abs. max input (3 s) 150 170 t start-up Converter start-up time 2 Switch on Worst case condition at V i min, and full load 0.25 0.5 0.4 0.7 s SD high 0.1 0.1 t rise Rise time 3 V i nom, resistive load 3 3 ms I o nom, capacitive load 6 12 6 12 I i o No-load input current I o = 0, Vi min to Vi max 30 20 mA I i rr Reflected ripple current I o = 0 to I o nom 30 30 mA pp I i inr p Inrush peak current 4 V i = Vi nom 7 7 A C i Input capacitance For surge calculation 0.5 0.5 µF V SD Shutdown voltage Converter disabled -10 to +0.7 -10 to +0.7 V Converter operating open circuit or 2 to 20 open circuit or 2 to 20 R SD Shutdown input resistance approx. 10 approx. 10 kΩ I SD Input current during shutdown V i min to Vi max 5 5 mA f s Switching frequency V i min to Vi max, Io = 0 to I o nom 220 240 225 6 kHz 1 V i min will not be as stated, if Vo is increased above Vo nom by use of Trim input. If the output voltage is set to a higher value, Vi min will be proportionately increased. 2 Input undervoltage lockout at typ. 85% of V i min. 3 Measured with resistive and max. admissible capacitive load. 4 Source impedance according to ETS 300132-2, version 4.3. 5 154 V during 2 s 6 Revision BA or later. Older converters had f s ≤ 240 kHz. |
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