Microchip Technology MIC4575WU
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $4.10 | $4.10 |
| 15+ | $3.97 | $59.55 |
| 25+ | $3.89 | $97.25 |
| 50+ | $3.67 | $183.50 |
| 100+ | $3.24 | $324.00 |
| N+ | $0.65 | Price Inquiry |
Request Quote / Inquiry
| 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 | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 4V |
| Voltage - Input (Max) | 24V |
| Voltage - Output (Min/Fixed) | 1.23V |
| Voltage - Output (Max) | 20V |
| 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 Microchip MIC4575WU is a versatile 200kHz step-down switching regulator capable of delivering 1.7A. It accepts a wide input voltage from 4V to 24V and provides an adjustable output from 1.23V to 20V. Housed in a robust TO-263 (D2PAK) package, it is designed for high-reliability applications. Its simple architecture and wide input range make it suitable for automotive, industrial, and networking power supplies where efficiency and thermal performance are critical.
- Wide Input Voltage Range: Operates from 4V to 24V, making it suitable for automotive and industrial applications with varying supply voltages.
- High Output Current: The 1.7A switch current capability can power a variety of loads, from logic circuits to small motors.
- Robust Package: The TO-263 (D2PAK) package provides excellent power dissipation for reliable operation in high-temperature environments.
- Simple and Proven Design: The 200kHz fixed frequency simplifies EMI filtering and component selection, reducing design time.
Automotive Power Supplies
With a wide 4V to 24V input range, it can handle automotive load dumps and cold-crank conditions, providing a regulated 5V or 3.3V rail for ECUs, sensors, and infotainment systems.
Industrial Control Systems
Ideal for 12V or 24V industrial buses, this regulator steps down to logic voltages for microcontrollers, PLCs, and motor control circuits. The 200kHz frequency offers a good balance between efficiency and external component size.
Networking Equipment
Provides a reliable, low-noise supply for routers, switches, and base stations from a 12V backplane. The D2PAK package ensures excellent thermal performance for continuous operation.
Point-of-Load (POL) Regulation
Can be used as a POL converter to generate lower voltages (e.g., 5V to 3.3V or 1.8V) for FPGAs, ASICs, and DSPs in embedded systems.
Battery Chargers
Can be configured as a constant-current/constant-voltage charger for lead-acid or Li-Ion batteries from a higher voltage source like a 24V solar panel or adapter.
White Goods and Appliances
Powers control boards and user interfaces in washing machines, refrigerators, and air conditioners, converting the main DC bus (e.g., 12V or 24V) to a stable 5V logic supply.
- Q: What type of converter is the MIC4575WU?
- A: It is a step-down (Buck) switching regulator, 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 range?
- A: The output voltage is adjustable from 1.23V to 20V.
- Q: What is the maximum switch current?
- A: The maximum switch current is 1.7A.
- Q: What is the switching frequency?
- A: The switching frequency is fixed at 200kHz.
- Q: What package is available?
- A: It is available in a TO-263-6 (D2PAK) package.
MIC4575WU.pdf
- Q: What type of converter is the MIC4575WU?
- A: It is a step-down (Buck) switching regulator, 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 range?
- A: The output voltage is adjustable from 1.23V to 20V.
- Q: What is the maximum switch current?
- A: The maximum switch current is 1.7A.
- Q: What is the switching frequency?
- A: The switching frequency is fixed at 200kHz.
- Q: What package is available?
- A: It is available in a TO-263-6 (D2PAK) package.
