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Product attributes Property Value
Manufacturer Microchip Technology
Product Series
Packaging Tube |
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) 5V
Voltage - Output (Max) -
Current - Output 500mA
Frequency - Switching 200kHz
Synchronous Rectifier No
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification -
Mounting Type Through Hole
Package / Case 8-DIP (0.300", 7.62mm)
Supplier Device Package 8-PDIP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The MIC4574-5.0YN from Microchip Technology is a simple, reliable step-down buck converter with a fixed 5V output. It accepts an input voltage from 4V to 24V and delivers up to 500mA of output current. Operating at a fixed 200kHz switching frequency, it offers a good balance between efficiency and component size. The 8-DIP package is ideal for through-hole assembly, making it suitable for industrial, automotive, and consumer applications requiring a robust 5V supply.

  • Fixed 5V Output: Simplifies design with no external feedback resistor network required.
  • Wide Input Range: Accepts 4V to 24V, covering common industrial and automotive supply rails.
  • Through-Hole Package: The 8-DIP package is easy to solder and ideal for prototyping and low-cost production.
  • Built-in Protection: Includes thermal shutdown and current limiting for robust operation.

Industrial Control Boards

Step down a 12V or 24V industrial supply to a regulated 5V for microcontrollers, op-amps, and logic circuits in PLCs and process control equipment.

Automotive Electronics

With a 4V to 24V input range, it can regulate 5V for sensors, actuators, and in-vehicle infotainment from a 12V battery system.

Consumer Appliances

Provide a stable 5V rail for control panels, displays, and interface circuits in white goods and small kitchen appliances.

Telecom Equipment

Convert a 12V or 24V telecom bus to 5V for line cards, interface modules, and control logic in networking infrastructure.

Embedded Systems

Its simple fixed 5V output and through-hole 8-DIP package make it easy to prototype and integrate into legacy or custom embedded designs.

Q: What type of converter is the MIC4574-5.0YN?
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 output voltage?
A: The output voltage is fixed at 5V.
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 comes in an 8-DIP package.
Base Product Number : MIC4574
200kHz 4V-24V 500mA 5V 8-DIP Automotive Buck DC-DC Converter Industrial Step-Down
Q: What type of converter is the MIC4574-5.0YN?
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 output voltage?
A: The output voltage is fixed at 5V.
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 comes in an 8-DIP package.