Microchip Technology MIC4575-5.0WU
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $13.08 | $13.08 |
| 15+ | $3.01 | $45.15 |
| 25+ | $2.94 | $73.50 |
| 50+ | $2.78 | $139.00 |
| 100+ | $2.45 | $245.00 |
| N+ | $0.49 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | |
| Packaging | Tube | |
| Function | Step-Down, Step-Up/Step-Down |
| Output Configuration | Positive |
| Topology | Buck, Buck-Boost |
| Output Type | Fixed |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 4V |
| Voltage - Input (Max) | 24V |
| Voltage - Output (Min/Fixed) | 5V |
| Voltage - Output (Max) | - |
| Current - Output | 1.7A (Switch) |
| Frequency - Switching | 200kHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | TO-263-6, D2PAK (5 Leads + Tab), TO-263BA |
| Supplier Device Package | TO-263-5 |
| ROHS |  |
The MIC4575-5.0WU from Microchip Technology is a step-down DC-DC converter with a fixed 5V output. It accepts an input voltage from 4V to 24V and can deliver up to 1.7A of switch current. The converter operates at a fixed 200kHz switching frequency, providing a good balance between efficiency and external component size. It can also be configured as a buck-boost converter for applications where the input voltage may drop below the output. This converter is ideal for automotive, industrial, and telecom applications requiring a reliable 5V supply from a higher-voltage rail. Its TO-263 package ensures good thermal performance.
- Fixed 5V Output: Simplifies design and reduces external component count for common 5V rails.
- Wide Input Range (4V-24V): Compatible with 5V, 12V, and 24V systems, including automotive.
- Buck-Boost Capability: Maintains 5V output even when input drops below 5V, ideal for battery applications.
- 1.7A Switch Current: Supports moderate loads such as sensors, MCUs, and small peripherals.
- Robust TO-263 Package: Excellent thermal dissipation for reliable operation in harsh environments.
Automotive 12V to 5V Conversion
In vehicles, the MIC4575-5.0WU steps down the 12V battery voltage to a regulated 5V for sensors, microcontrollers, and infotainment systems. The 24V maximum input handles load dump transients, and the 1.7A switch current supports multiple peripherals.
Industrial Control Systems
For 24V industrial supplies, this converter provides a stable 5V rail for PLCs, motor controllers, and HMI panels. The 200kHz frequency offers a good balance between efficiency and component size, suitable for DIN-rail mounted modules.
Telecom and Networking Equipment
In networking gear powered by 12V or 24V, the MIC4575-5.0WU generates a clean 5V supply for logic circuits, Ethernet PHYs, and small processors. Its robust TO-263 package handles thermal stress in enclosed environments.
Battery-Powered Instruments
For portable instruments using 6V to 18V battery packs, this converter provides a regulated 5V output. The buck-boost capability allows operation even when the battery voltage drops below 5V, extending usable battery life.
Point-of-Load Regulation in Distributed Systems
In systems with a 12V or 24V intermediate bus, the MIC4575-5.0WU provides a local 5V rail for analog and digital circuits. Its simple fixed-output design reduces external component count, simplifying BOM and layout.
- Q: What type of converter is the MIC4575-5.0WU?
- A: It is a step-down (Buck) DC-DC converter, but can also be configured as a buck-boost.
- Q: What is the input voltage range?
- A: The input voltage range is from 4V to 24V.
- Q: What is the output voltage?
- A: This version has a fixed 5V output.
- Q: What is the maximum switch current?
- A: The internal switch is rated for a maximum of 1.7A.
- Q: What is the switching frequency?
- A: It operates at a fixed 200kHz switching frequency.
- Q: What package is available?
- A: It comes in a TO-263-6 (D2PAK) package with 5 leads plus tab.
MIC4575-5.0WU.pdf
- Q: What type of converter is the MIC4575-5.0WU?
- A: It is a step-down (Buck) DC-DC converter, but can also be configured as a buck-boost.
- Q: What is the input voltage range?
- A: The input voltage range is from 4V to 24V.
- Q: What is the output voltage?
- A: This version has a fixed 5V output.
- Q: What is the maximum switch current?
- A: The internal switch is rated for a maximum of 1.7A.
- Q: What is the switching frequency?
- A: It operates at a fixed 200kHz switching frequency.
- Q: What package is available?
- A: It comes in a TO-263-6 (D2PAK) package with 5 leads plus tab.
