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SRDB-20E15H Datasheet(PDF) 4 Page - Bel Fuse Inc. |
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SRDB-20E15H Datasheet(HTML) 4 Page - Bel Fuse Inc. |
4 / 11 page Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com NON-ISOLATED DC/DC CONVERTERS 5.4 Vdc - 13.2 Vdc Input 1.0 Vdc - 5.0 Vdc Output / 20 A General Specifications Parameter Min Typ Max Notes Efficiency VO=5.0 V VO=3.3 V VO=2.5 V VO=1.8 V VO=1.5 V VO=1.2 V VO=1.0 V 91% 89% 88% 85% 84% 82% 81% 94% 92% 91% 88% 87% 85% 84% - - - - - - - Measured at Vin=8 V at full load. Switching Frequency 480 kHz 600 kHz 720 kHz Over Voltage Protection (Latch) 108.5% 115% 120% Can be reset by cycling the input supply voltage or remote on/off. Output Trim Range 90%VO - 110%VO Remote Sense Compensation - 10% MTBF 3,154,461 hours Calculated Per Bell Core SR-332 (IO = 16 A, Vin=8 V, Vo=3.3 V; Ta = 25 °C) Dimensions Inches (L × W × H) Millimeters (L × W × H) 1.22 x 0.827 x 0.345 30.99 x 21.0 x 8.76 Weight - 11 g - Note : All specifications are typical at 25 °C unless otherwise stated. Control Specifications Parameter Min Typ Max Notes Remote On/Off Signal Low (Unit Off) 0 V - 1 V Signal High (Unit On) 2.5 V - 13.2 V Remote on/off pin open, unit on. Output Trim Equations Equations for calculating the trim resistor (in kΩ) given the desired adjusted voltage (Vadj) and the nominal output voltage of the converter (Vnom) are shown below. The Trim Down resistor should be connected between the Trim pin and Vout. The Trim Up resistor should be connected between the Trim pin and Ground. Only one of the resistors should be used for any given application. Vnom A B C D 5.0V 30.955 15.805 5.884 8.450 3.3V 3.961 3.407 1.266 1.825 2.5V 1.834 3.397 0.861 2.320 1.8V 1.927 6.916 1.533 5.000 1.5V 1.353 5.851 1.533 3.935 1.2V 0.099 0.446 0.196 0.201 1.0V 0.102 0.684 0.401 0.183 K B Vadj Vnom A down Rtrim ) ( _ − − = D Vnom Vadj C up Rtrim ) ( _ − − = Module Vout Trim GND Rtrimdown Module Vout Trim GND Rtrimup |
Similar Part No. - SRDB-20E15H |
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Similar Description - SRDB-20E15H |
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