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APA18T12-9H Datasheet(PDF) 6 Page - Astec America, Inc |
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APA18T12-9H Datasheet(HTML) 6 Page - Astec America, Inc |
6 / 17 page Model: APA18T12 Series Date: June 2004 SH 6 OF 17 Technical Reference Note APA18T12 DC - DC Series Preliminary OUTPUT SPECIFICATIONS Parameter Device Symbol Min Typ Max Unit Dynamic Response6: CO =150uF*2 Polymer Cap. (Sanyo OS-CON 6SEP150) +10uF Tantalum Cap. +1uF Ceramic Cap. ∆IO/∆t=1.0A/µs Peak Deviation Load Change of 50% step anywhere between 10% to 100% of rated load Settling Time (to 0.5% VO, Nom ) All All - - - - - - 200 200 mV µs Output Voltage Trim Range7 All 0.75 - 5.50 V Remote Sense8 All - 0.25 V Output Enable ON/OFF Positive Enable Enable Pin Voltage: Mod-ON Mod-OFF All - - 2.5 -0.7 - - 14 0.8 V V NOTE: 2. Refer to Appendix A3 for the Output Ripple and Noise Test Measurement Setup. 3. Output Power Derating applies at elevated temperature. See Appendix B for the Derating Curves. 4. OCP and OTP are in shutdown mode. The converter will auto restart without the need to recycle the input voltage or toggle the enable signal and once the fault is removed. 5. Measure output rise time from 10%VO to 90%VO. See Appendix A5. 6. Load step response shall be measured at the load side of the output capacitors. See Appendix A4 for the output and input cap requirement. 7. See appropriate Trim Equation and configuration in Appendix A6. 8. The combination of remote sense and output trim adjust can not exceed 0.25V. 9. No OCP for Vo<1.5V. Module is protected by OTP when output is overload if Vo<1.5V. 10.Under 25 °C. |
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