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STD MP1584 buck convertor
MP1584 buck convertor
License
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Update time：
2024-06-30 11:13:57
Creation time：
2024-05-25 03:57:20
Description
Description
MP1584 5V Regulator Circuit
The MP1584 is a high-frequency step-down switching regulator with an adjustable output voltage, which can be set using external resistors. This example circuit demonstrates how to achieve a 5V output from an input voltage up to 24V.
Notes
- Ensure all components have appropriate voltage and current ratings.
- Layout is crucial for minimizing noise and ensuring stability. Place the capacitors and inductor close to the IC with minimal trace lengths.
- You can use a potentiometer in place of R2 to make the output voltage adjustable within a certain range.
Applications
- Battery-powered devices
- Power supply for microcontrollers
- Portable electronics
- Any application requiring a stable 5V output from a higher voltage input
By following this guide and the datasheet recommendations, you can design a reliable 5V regulator circuit using the MP1584. Adjusting the feedback resistors allows for customization of the output voltage as per your requirements.
Design Drawing
Design Drawing
schematic diagram
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| ID | Name | Designator | Footprint | Quantity | spiceSymbolName | JLCPCB Part Class | |
|---|---|---|---|---|---|---|---|
| 1 | 10uf | C1 | C0805 | 1 | LCEDA_Lib | C_0603_US | |
| 2 | 22uf | C2 | C0805 | 1 | LCEDA_Lib | C_0603_US | |
| 3 | 150pf | C3 | C0603 | 1 | LCEDA_Lib | C_0603_US | |
| 4 | 100nf | C4 | C0603 | 1 | LCEDA_Lib | C_0603_US | |
| 5 | SS34A | D1 | SMA_L4.3-W2.6-LS5.2-RD | 1 | LCSC | SS34A | |
| 6 | HDR-F-2.54_1x2 | H1,H2 | HDR-F-2.54_1X2 | 2 | LCEDA_Lib | HDR-F-2.54_1x2 | |
| 7 | 4.7uH | L1 | IND-SMD_L4.2-W4.2-SQH4018S-4R7M-LF | 1 | faizankhancuiwah | SQH4018S-4R7M-LF | https://lcsc.com/eda_search?q=C257207&%26type=1&ref=editor |
| 8 | LED-0805_G | LED1 | LED0805_GREEN | 1 | LCEDA_Lib | LED-0805_G | |
| 9 | 210K | R1 | R0603 | 1 | LCEDA_Lib | R_0603_US | |
| 10 | 40k | R2,R7 | R0603 | 2 | LCEDA_Lib | R_0603_US | |
| 11 | 100K | R3,R5,R6 | R0603 | 3 | LCEDA_Lib | R_0603_US | |
| 12 | 24.9K | R4 | R0603 | 1 | LCEDA_Lib | R_0603_US | |
| 13 | MP1584EN | U1 | SOIC-8_L4.9-W3.9-P1.27-LS6.0-BL-EP3.3 | 1 | LCSC | MP1584EN |
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