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9~24V to 5V

2 years ago 2277
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Description

1、Module description: The MP4420S is a high-frequency, synchronous, rectified, step-down, switch-mode converter with built-in power MOSFETs. It offers a very compact solution to achieve a 2A continuous output current with excellent load and line regulation over a wide input supply range. The MP4420Shas synchronous mode operation for higher efficiency over the output current load range. Current-mode operation provides fast transient response and eases loop stabilization. Full protection features include over-current protection and thermal shut down. The MP4420S requires a minimal number of readily-available standard external components, and is available in a space-saving 8-pin TSOT23 package.
2、Function Description: 9~24V wide voltage input to the 5V voltage regulator circuit, the output drive current up to 2A, and there is no large volume filter electrolytic capacitors, small size, can be used for industrial automation applications; 3、Description of each function module:

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4、Components and PCB diagram before welding:

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5、Physical map after welding:

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Documents

9~24V转5V

9~24V转5V

BOM

ID Name Designator Footprint Quantity Manufacturer Part Manufacturer Supplier Supplier Part Price LCSC Assembly Mounted
1 MP4420S U1 SOT23-8 1
2 4.7uF50V C1,C5 4.7uf/50v 2
3 0.1uF C2,C3,C4,C6,C7 c-0603 5
4 22uH L1 L-150 1
5 SMAJ28CA D1 SMA 1
6 1N4007 D2,D3 SMA 2
7 470K R1 3-0603 1
8 200K R2 3-0603 1
9 0R R3 3-0603 1
10 51K R4 3-0603 1
11 41.2K R5 3-0603 1
12 7.68K R6 3-0603 1
13 1uF50V C8 c-0603 1
14 P6KE6.5CA D4 SMA 1
15 DC_IN DC_IN 3.81-2P 1
16 DC_OUT DC_OUT 3.81-2P 1
17 1k R7 3-0603 1
18 LED D5 L-0603 1

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