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GPP1V5-15 Datasheet(PDF) 6 Page - Galaxy Power, Inc. |
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GPP1V5-15 Datasheet(HTML) 6 Page - Galaxy Power, Inc. |
6 / 8 page Polaris Series, Page 6 Part No. 99–003 Rev. 1.0 WWW.GALAXYPWR.COM Application Notes Signal Characteristics: Per table on page 5. Input Signals: Enable_L: This unit has both primary and secondary output enable: Primary Enable_L: This input signal is used to enable the output of the converter when activated (active Low). The signal is referenced to the input side (-Vin pin 11). Secondary Enable_L: This input signal is used to enable the output of the converter when activated (active Low). The signal is referenced to the output side (-Sense). Output Voltage Adjust: The output voltage of the converter can be adjusted above or below the nominal output voltage as specified in the Output Characteristics Table. The range of adjustment above the nominal output voltage is limited by the internal overvoltage trip point settings. The overvoltage trip point settings do not change with output voltage adjustments. Output Voltage Turn On Time: The external circuit used to turn on the converter's "enable circuit" is per the Figure on page 5. Voltage Programming: A voltage may be applied between the “Trim” pin (pin 4) and the “– Sense“ pin (pin 1) to adjust the output voltage up or down from the nominal output. Vo is the desired output voltage. For the GPP1V5-15 and GPP1V5-25, the trim voltage for these two units is: 90.5 12.1 VTRIM = ——— * VO – —— Volts 44.97 6 For the GPP2V2-15 and GPP2V2-25, the trim voltage for these two units is: 11.4935 12.1 VTRIM = ———— * VO – —— Volts 8.3862 6 For the GPP3V3-15 and GPP3V3-25, the trim voltage for these two units is: 4.067 12.1 VTRIM = ——— * VO – —— Volts 2.06 3 For the GPP5V0-15 and GPP5V0-20, the trim voltage for these two units is: 1.829 * Vo - 6.05 VTRIM = ———————— Volts 1.238 Resistor Programming: Output voltage may be adjusted down from the nominal output voltage with a resistor connected between the “Trim” pin (pin 4) and the “-Sense” pin (pin 1). For the GPP1V5-15 and GPP1V5-25, the trim resistor, Rtrim for these two units is: (18. 1379 – 18.100 * VO) RTRIM = —————————— Kohms VO – 1.499 For the GPP2V2-15 and GPP2V2-25, the trim resistor, Rtrim for these two units is: 169.1217 – 114.935 * VO RTRIM = ——————————— Kohms 6.35 * VO – 13.977 For the GPP3V3-15 and GPP3V3-25, the trim resistor, Rtrim for these two units is: 2 (249.26 –122.01 * VO) RTRIM = —— * —————————— Kohms 5 2.49 *Vo – 8.24 For the GPP5V0-15 and GPP5V0-20, the trim resistor, Rtrim for these two units is: 18.29 * Vo – 60.50 RTRIM = ———————— Kohms 5 – VO Output voltage may be adjusted up from the nominal output voltage with a resistor connected between the “Trim” pin (pin 4) and the “+ Sense” pin (pin 2). For the GPP1V5-15 and GPP1V5-25, the trim resistor, Rtrim for these two units is: (18.1379 – 9.106 * Vo) RTRIM = ——————————— Kohms VO – 1.499 For the GPP2V2-15 and GPP2V2-25, the trim resistor, Rtrim for these two units is: 169.1217 – 31.073 * VO RTRIM = ——————————— Kohms 6.35 * VO – 13.977 For the GPP3V3-15 and GPP3V3-25, the trim resistor, Rtrim for these two units is: 2 (249.26 –60.21 * VO) RTRIM = —— * —————————— Kohms 5 2.49 *VO – 8.24 Enable Controls Primary Enable_L Secondary Enable_L Output Voltage Low Low On High or Open Low Off Low High or Open Off High or Open High or Open Off |
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Similar Description - GPP1V5-15 |
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