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9~24V to 5V

4 years ago 3307
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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 Value Qty. Package Components
1 MP4420S 1 SOT23-8 U1
2 4.7uF50V 2 4.7uf/50v C1,C5
3 0.1uF 5 c-0603 C2,C3,C4,C6,C7
4 22uH 1 L-150 L1
5 SMAJ28CA 1 SMA D1
6 1N4007 2 SMA D2,D3
7 470K 1 3-0603 R1
8 200K 1 3-0603 R2
9 0R 1 3-0603 R3
10 51K 1 3-0603 R4
11 41.2K 1 3-0603 R5
12 7.68K 1 3-0603 R6
13 1uF50V 1 c-0603 C8
14 P6KE6.5CA 1 SMA D4
15 DC_IN 1 3.81-2P DC_IN
16 DC_OUT 1 3.81-2P DC_OUT
17 1k 1 3-0603 R7
18 LED 1 L-0603 D5

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