Micrel Inc. MIC4574-3.3BWM
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $4.16 | $4.16 |
| 15+ | $0.96 | $14.40 |
| 25+ | $0.94 | $23.50 |
| 50+ | $0.88 | $44.00 |
| 100+ | $0.78 | $78.00 |
| N+ | $0.16 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Micrel Inc. |
| Product Series | |
| Packaging | Bulk | |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Fixed |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 4V |
| Voltage - Input (Max) | 24V |
| Voltage - Output (Min/Fixed) | 3.3V |
| Voltage - Output (Max) | - |
| Current - Output | 500mA |
| Frequency - Switching | 200kHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 85°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 14-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 14-SOP |
The Micrel MIC4574-3.3BWM is a robust 500mA Buck converter designed for applications requiring a fixed 3.3V output from a wide input voltage range of 4V to 24V. Operating at a 200kHz switching frequency, it provides a good balance between efficiency and external component size. Housed in a 14-SOIC package, this converter is well-suited for automotive, industrial, and telecom systems where a reliable and simple 3.3V power supply is needed.
- Wide Input Voltage Range: Handles 4V to 24V, making it suitable for automotive and industrial power rails.
- Simple Fixed Output: Fixed 3.3V output eliminates external feedback components, simplifying design.
- Proven Reliability: Based on a mature and widely used converter architecture, ensuring dependable performance.
- Cost-Effective: The 200kHz frequency and standard SOIC package offer a low-cost solution for moderate-power applications.
Automotive Electronics
The MIC4574-3.3BWM's wide 4V to 24V input range makes it ideal for automotive applications, providing a stable 3.3V rail for microcontrollers, sensors, and CAN transceivers directly from a car battery.
Industrial Control Systems
In industrial environments with 12V or 24V supplies, this converter delivers a regulated 3.3V for logic circuits, PLCs, and instrumentation, ensuring reliable operation in noisy environments.
Telecom and Networking
For networking equipment, the MIC4574-3.3BWM can step down a 12V or 24V backplane voltage to 3.3V for FPGAs, ASICs, and memory, providing a cost-effective power solution.
Point-of-Load (POL) Regulation
This device can be used as a local 3.3V POL regulator in distributed power architectures, reducing noise and improving transient response for sensitive digital loads.
Home Appliances
In smart appliances with 12V or 24V rails, this converter provides a reliable 3.3V supply for the main control board, user interface, and connectivity modules.
- Q: What type of converter is the MIC4574-3.3BWM?
- A: It is a Buck (step-down) DC-DC converter.
- Q: What is the input voltage range?
- A: The input voltage range is 4V to 24V.
- Q: What is the fixed output voltage?
- A: The output voltage is fixed at 3.3V.
- Q: What is the maximum output current?
- A: The maximum output current is 500mA.
- Q: What is the switching frequency?
- A: The switching frequency is 200kHz.
- Q: What package is available?
- A: It is available in a 14-SOIC (0.154", 3.90mm Width) package.
MIC4574-3.3BWM.pdf
- Q: What type of converter is the MIC4574-3.3BWM?
- A: It is a Buck (step-down) DC-DC converter.
- Q: What is the input voltage range?
- A: The input voltage range is 4V to 24V.
- Q: What is the fixed output voltage?
- A: The output voltage is fixed at 3.3V.
- Q: What is the maximum output current?
- A: The maximum output current is 500mA.
- Q: What is the switching frequency?
- A: The switching frequency is 200kHz.
- Q: What package is available?
- A: It is available in a 14-SOIC (0.154", 3.90mm Width) package.
