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EV2354DS-00A Datasheet(PDF) 4 Page - Monolithic Power Systems |
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EV2354DS-00A Datasheet(HTML) 4 Page - Monolithic Power Systems |
4 / 4 page EV2354DS-00A – 4.75V TO 23V IN, 2A OUT, 380KHz STEP-DOWN CONVERTER EVALUATION BOARD NOTICE: The information in this document is subject to change without notice. Please contact MPS for current specifications. Users should warrant and guarantee that third party Intellectual Property rights are not infringed upon when integrating MPS products into any application. MPS will not assume any legal responsibility for any said applications. EV2354DS-00A Rev. 1.0 www.MonolithicPower.com 4 1/26/2005 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. © 2005 MPS. All Rights Reserved. QUICK START GUIDE 1. Connect the positive terminal of the load to VOUT pins, and the negative terminal of the load to GND pins 2. Preset the power supply output to 4.75V to 23V and turn off the power supply. 3. Connect the positive terminal of the power supply output to the VIN pin and the negative terminal of the power supply output to the GND pin 4. Turn the power supply on. The MP2354 will automatically start. 5. To use the Enable function, apply a digital input to EN pin. Drive EN higher than 2.5V to turn on the regulator, drive EN less than 0.7V to turn it off. 6. An input under voltage lockout (UVLO) function can be implemented with the addition of a resistor divider R4 and R5. The EN threshold is 2.5V, so VIN UVLO threshold is V 5 . 2 5 R 4 R 1 × ⎟ ⎠ ⎞ ⎜ ⎝ ⎛ + The output voltage of this board is preset to 3.3V. This board is laid out to accommodate most commonly used inductors and output capacitors and to be programmed for most standard output voltages. For other output voltages, please refer to the Application Information section in the MP2354 datasheet. |
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