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SRAH-12F150 Datasheet(PDF) 4 Page - Bel Fuse Inc. |
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SRAH-12F150 Datasheet(HTML) 4 Page - Bel Fuse Inc. |
4 / 9 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 3.0 V-5.5 V Input 1.0 V-3.3 V/12 A Output 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. B V V A R adj nom TrimDown − − = D V V C R nom adj TrimUp − − = Vnom A B C D 3.3 161.391 161.900 43.330 100.000 2.5 111.674 208.900 43.330 147.000 1.8 68.576 287.900 43.330 226.000 1.5 50.000 287.900 43.330 226.000 1.2 31.240 208.900 43.330 147.000 1.0 18.850 161.900 43.330 100.000 Module Vout Trim GND Rtrimdown Module Vout Trim GND Rtrimup |
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