Skip to product information
1 of 1
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
Regular price $1.63
Regular price $1.72 Sale price $1.63
Sale Sold out
Quantity Unit Price Total Price
1 $1.63 $1.63
15+ $1.58 $23.70
25+ $1.55 $38.75
50+ $1.46 $73.00
100+ $1.29 $129.00
N+ $0.26 Price Inquiry
Shipping calculated at checkout.
Quantity
Component Recycling

Request Quote / Inquiry

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) 12V
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 TO-220-5
Supplier Device Package TO-220-5
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The LM2575-12WT from Microchip Technology is a simple, robust Buck DC-DC converter that delivers a fixed 12V output. It accepts a wide 4V to 40V input and provides up to 1A of load current. Operating at a low 52kHz switching frequency, it offers excellent efficiency and low noise. The TO-220-5 package is easy to heatsink and ideal for through-hole designs.

  • Ultra-Wide Input Range (4V-40V): Handles a variety of supply voltages from automotive to industrial without additional circuitry.
  • Simple Fixed 12V Output: No external feedback components needed, simplifying design and BOM.
  • Low 52kHz Switching Frequency: Reduces EMI and allows for the use of low-cost, readily available inductors.
  • TO-220-5 Package: Excellent thermal dissipation and easy mounting for high-reliability applications.

Automotive Battery Systems

With a 4V to 40V input range, this converter steps down 12V or 24V automotive batteries to a stable 12V rail for sensors and auxiliary loads.

Industrial Control Panels

In industrial environments with 24V supplies, the LM2575 provides a regulated 12V output for relays, valves, and PLC I/O modules.

Telecom Power Distribution

For telecom equipment operating from 36V-40V backplanes, this converter generates a 12V local rail for line cards and interface circuits.

Battery Chargers

The wide input range allows it to be used in battery charger circuits, stepping down unregulated DC sources to a 12V charging voltage.

HVAC and Appliance Controls

In HVAC systems with 24V AC rectified to DC, this buck converter provides a clean 12V supply for microcontrollers and display panels.

Q: What type of converter is the LM2575-12WT?
A: It is a Buck (step-down) DC-DC converter.
Q: What is the input voltage range?
A: The input voltage range is from 4V to 40V.
Q: What is the output voltage?
A: The output voltage is fixed at 12V.
Q: What is the maximum output current?
A: It can deliver up to 1A of output current.
Q: What is the switching frequency?
A: The switching frequency is 52kHz.
Q: What package is available?
A: It is available in a TO-220-5 package.
Base Product Number : LM2575
1A 4V-40V 52kHz Automotive Buck DC-DC Converter Industrial LM2575 Microchip TO-220-5
Q: What type of converter is the LM2575-12WT?
A: It is a Buck (step-down) DC-DC converter.
Q: What is the input voltage range?
A: The input voltage range is from 4V to 40V.
Q: What is the output voltage?
A: The output voltage is fixed at 12V.
Q: What is the maximum output current?
A: It can deliver up to 1A of output current.
Q: What is the switching frequency?
A: The switching frequency is 52kHz.
Q: What package is available?
A: It is available in a TO-220-5 package.