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S111-0520XYZ-BB Datasheet(PDF) 7 Page - C&D Technologies |
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S111-0520XYZ-BB Datasheet(HTML) 7 Page - C&D Technologies |
7 / 9 page DC/DC Converter Programmable, Single Output, 1.1V - 1.85Vout @ 60A DC/DC Converter 3.3V input, 0.8 to 2.5V output, 10A; 5V input, 1.0 to 3.3V output, 10A 1150 Eglinton Avenue East 4607 S.E. International Way Toronto, Ontario M3C 1H7 Milwaukie, Oregon 97222 1-866-740-1232 www.cdtechno-cps.com 1-971-206-2800 S111_084-S111-00_RevG_Jan18-2005.fm 7 of 9 Resistor Trim Equations N O T E : For best results, the trim m ing range should not exceed +/-20% of the initial output voltage set by the factory (V set). T o trim dow n to 0.6V , units w ith an initial output voltag e of up to 1.2V can be used. • Trimming U P — raising the output voltag e using a resistor from T rim to G round. 3.3V in 5V in () Vset Vout Rtrim − = 1992 Voutmax = 2.5V () () Vout Vset Vout Vset Rtrim − − + × − = 1 500 Voutmax = Vset + 1 as Rtrim approaches 0 Ω. • Trimming D O W N — low ering the output voltag e using a resistor from T rim to an external voltage reference or to the V out pins. 3.3V in 5V in () Vset Vout Vref Rtrim − × − × = ) 5 4 ( 498 Voutmin = 0.5V () () Vout Vset Vref Vout Vset Rtrim + − + + − − × − = 1 500 Voutmin = Vset – (Vref –1) as Rtrim approaches 0 Ω. Where: V out is the desired output voltag e. Vset is the output voltag e setpoint (output voltag e w ithout trim ). Vref is the reference voltag e for the trim resistor w hen trim m ing dow n. If using Vout for this purpose, then Vref = Vout. Rtrim is the resistance value of the trim resistor (ohm s). |
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