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LV12S15-150-S Datasheet(PDF) 6 Page - Wall Industries,Inc. |
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LV12S15-150-S Datasheet(HTML) 6 Page - Wall Industries,Inc. |
6 / 15 page TECHNICAL DATASHEET Rev. D LV12S15-150 (888) 597-WALL www.wallindustries.com Page 6 of 15 Note that while decreasing the output voltage, the maximum output current still remains at 10A, and while increasing the output voltage, the output current is reduced to maintain a total output power at 150 W. Figure 4: Trim Up Output Voltage Trim: (5V, 12V, 15V, and 20V Models) The output is adjustable +/–10% of rated output voltage. To trim the output voltage down, place the trim resistor between the Trim and -Rs pins (Figure 5). To trim the output voltage up, place the trim resistor between the Trim and +Rs pins (Figure 4). The value of the trim resistor with respect to the desired output voltage (Vo) can be derived from the following formulas, or looked up on the trim table (Table 2). Table 2: Trim Equations for LV Series (5V, 12V, 15V, and 20V Models) Vonom U1 R1 Rlim RTH to +Rs 15.000 2.500 5.11 5.11 RTL to -Rs Percent Trim Low Trim High Trim Vo RTL Vo RTH 1% 14.850 500.78 15.150 2575.44 All in Kohms 2% 14.700 245.28 15.300 1297.94 3% 14.550 160.11 15.450 872.11 4% 14.400 117.53 15.600 659.19 5% 14.250 91.98 15.750 531.44 6% 14.100 74.95 15.900 446.27 7% 13.950 62.78 16.050 385.44 8% 13.800 53.66 16.200 339.81 9% 13.650 46.56 16.350 304.33 10% 13.500 40.88 16.500 275.94 (in Kohms) lim 1 lim 1 1 1 R V V V R RTL R V V V R V V U V V R RTH o onom o onom o o onom o onom o − − ⋅ = − − ⋅ − − ⋅ ⋅ = (in Kohms) Figure 5: Trim Down Pins Facing Down +Rs +Vout -Vout Trim -Rs RTL Rload Pins Facing Down Rload +Rs +Vout -Vout Trim -Rs RTH |
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