Datasheet MP2307 (Monolithic Power Systems) - 10
| Производитель | Monolithic Power Systems |
| Описание | 3A, 23V, 340KHz Synchronous Rectified Step-Down Converter |
| Страниц / Страница | 12 / 10 — MP2307 – 3A, 23V, 340KHz SYNCHRONOUS RECTIFIED STEP-DOWN CONVERTER. … |
| Формат / Размер файла | PDF / 713 Кб |
| Язык документа | английский |
MP2307 – 3A, 23V, 340KHz SYNCHRONOUS RECTIFIED STEP-DOWN CONVERTER. External Bootstrap Diode. MP2307
62 предложений от 29 поставщиков Преобразователь постоянного напряжения DC-DC HW-187 на чипе MP2307DN, понижающий, миниатюрный. Напряжение на входе 4.5-23В, напряжение на выходе 1-20В. Ток: продолжительный 1.5А,... |
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Monolithic Power Systems | 13 ₽ | |
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Monolithic Power Systems | 29 ₽ | |
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Monolithic Power Systems | от 52 ₽ | |
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Monolithic Power Systems | по запросу | |
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MP2307 – 3A, 23V, 340KHz SYNCHRONOUS RECTIFIED STEP-DOWN CONVERTER
5) Connect IN, SW, and especially GND
External Bootstrap Diode
respectively to a large copper area to cool An external bootstrap diode may enhance the the chip to improve thermal performance efficiency of the regulator, the applicable and long-term reliability. conditions of external BS diode are: z VOUT is 5V or 3.3V; and V z Duty cycle is high: D= OUT >65% IN V In these cases, an external BS diode is recommended from the output of the voltage regulator to BS pin, as shown in Figure3 External BST Diode IN4148
BS
C
MP2307
BST
SW
5V or 3.3V L COUT
Figure 3—Add Optional External Bootstrap Diode to Enhance Efficiency
The recommended external BS diode is IN4148, and the BS cap is 0.1~1µF.
TOP Layer
MP2393 O RECOMMENDED FOR NEW DESIGNS NOT REFER T
Bottom Layer Figure 2―PCB Layout (Double Layer)
MP2307 Rev. 1.9 www.MonolithicPower.com
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5/28/2008 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. © 2008 MPS. All Rights Reserved.
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