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LA5724MC bảng dữ liệu(PDF) 6 Page - Sanyo Semicon Device |
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LA5724MC bảng dữ liệu(HTML) 6 Page - Sanyo Semicon Device |
6 / 6 page LA5724MC PS No.A2021-6/6 6. Inductance current: peak value The ripple current peak value must be held within the rated current values for the inductor used. Here, IRP id the ripple current. IRP can be determined from the folloeing equation. IRP = IOUT + VIN - VOUT - Vsat 2L × Tom = 0.5 + 12 - 5.0 - 0.4 2 × 120×10-6 × 2.8×10 -6 ≈ 0.57A 7. Inducrance current: ripple current value Here ΔIR is the ripple current. ΔIR can be determined from the folloeing equation. If the load current becomes less than one half the ripple current, the icductor current will become discontinuous. ΔIR = VIN - VOUT - Vsat L × Tom = 12 - 5.0 - 0.4 120 ×10-6 × 2.8×10 -6 ≈ 0.15A 8. Diode D1 A Schottky barrier diode must be used for the diode. If a fast recovery diode si used, it is possible that the IC could be destroyed be the applied reverse voltage due to the recovety and the on-state voltage. 9. Diode current: peak current Applecations must be designed so that the peak value of the diode current remains within the rated current of the diode. The peak value of the diode current will be the same current as the peak value of the inductor current. 10. Repetitive pwak reverse voltage Application must be designed so that the repetitive peak reverse voltage remains within the voltage rating og the diode. Here, VRRM is the repetitive peak reverse voltage. VRRM can be determined from the folloeing equation. VRRM ≥ VCC Since moise voltage and other terms will be added in actual in actual operation, the voltage headling caoacity of the device should be about 1.5 times that given by the above calculation. This catalog provides information as of March, 2012. Specifications and information herein are subject to change without notice. SANYO Semiconductor Co.,Ltd. assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein. SANYO Semiconductor Co.,Ltd. strives to supply high-quality high-reliability products, however, any and all semiconductor products fail or malfunction with some probability. It is possible that these probabilistic failures or malfunction could give rise to accidents or events that could endanger human lives, trouble that could give rise to smoke or fire, or accidents that could cause damage to other property. When designing equipment, adopt safety measures so that these kinds of accidents or events cannot occur. Such measures include but are not limited to protective circuits and error prevention circuits for safe design, redundant design, and structural design. Upon using the technical information or products described herein, neither warranty nor license shall be granted with regard to intellectual property rights or any other rights of SANYO Semiconductor Co.,Ltd. or any third party. SANYO Semiconductor Co.,Ltd. shall not be liable for any claim or suits with regard to a third party's intellctual property rights which has resulted from the use of the technical information and products mentioned above. Any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc. When designing equipment, refer to the "Delivery Specification" for the SANYO Semiconductor Co.,Ltd. product that you intend to use. In the event that any or all SANYO Semiconductor Co.,Ltd. products described or contained herein are controlled under any of applicable local export control laws and regulations, such products may require the export license from the authorities concerned in accordance with the above law. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, or any information storage or retrieval system, or otherwise, without the prior written consent of SANYO Semiconductor Co.,Ltd. |
Số phần tương tự - LA5724MC |
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Mô tả tương tự - LA5724MC |
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