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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) 40V
Voltage - Output (Min/Fixed) 5V
Voltage - Output (Max) -
Current - Output 1A
Frequency - Switching 52kHz
Synchronous Rectifier No
Operating Temperature -40°C ~ 125°C (TJ)
Grade -
Qualification -
Mounting Type Through Hole
Package / Case 16-DIP (0.300", 7.62mm)
Supplier Device Package 16-DIP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Microchip Technology LM2575-5.0YN is a step-down DC-DC converter that delivers a fixed 5V output from a 4V to 40V input. It supports up to 1A of load current and operates at a 52kHz switching frequency. The device is available in a 16-DIP package, ideal for through-hole assembly. Its wide input range and simple external component requirements make it a versatile choice for various power supply applications.

  • Versatile Input: 4V to 40V input range supports multiple power sources.
  • Easy to Use: Minimal external components required, reducing design time.
  • Reliable Protection: Built-in thermal shutdown and current limit enhance system safety.
  • Cost-Effective: Through-hole DIP package is economical for low-to-medium volume production.

Microcontroller Power Supplies

Provides a stable 5V rail for MCUs and digital logic from higher voltage sources like 12V or 24V. The 1A output is adequate for most control boards.

Automotive Electronics

Regulates 5V for sensors, ECUs, and infotainment systems from a 12V battery. The wide input range tolerates cranking voltage dips.

Industrial Sensors

Converts 24V industrial supplies to 5V for smart sensors and transmitters. The simple design ensures high reliability in harsh environments.

Consumer Appliances

Powers control panels and displays in washing machines, refrigerators, and microwaves. The 52kHz frequency minimizes EMI interference.

Networking Devices

Supplies 5V to routers, switches, and modems from 12V adapters. The through-hole package is suitable for low-cost manufacturing.

Battery-Powered Systems

Steps down 9V-12V batteries to 5V for portable instruments. The low quiescent current extends battery life in standby mode.

Q: What type of converter is the LM2575-5.0YN?
A: It is a step-down (Buck) DC-DC converter.
Q: What is the input voltage range?
A: The input voltage range is 4V to 40V.
Q: What is the output voltage?
A: The fixed output voltage is 5V.
Q: What is the maximum output current?
A: It can deliver up to 1A.
Q: What is the switching frequency?
A: It operates at 52kHz.
Q: What package is available?
A: It comes in a 16-DIP package.
Base Product Number : LM2575-5.0
16-DIP 1A 4V-40V 52kHz 5V Output Automotive Buck Consumer DC-DC Converter Industrial Microchip Step-Down
Q: What type of converter is the LM2575-5.0YN?
A: It is a step-down (Buck) DC-DC converter.
Q: What is the input voltage range?
A: The input voltage range is 4V to 40V.
Q: What is the output voltage?
A: The fixed output voltage is 5V.
Q: What is the maximum output current?
A: It can deliver up to 1A.
Q: What is the switching frequency?
A: It operates at 52kHz.
Q: What package is available?
A: It comes in a 16-DIP package.