LM2575BT

$0.77

Description：IC REG BUCK ADJ 1A TO220-5
Series：-
Mfr：Microchip Technology
Package：Bulk

SKU:262cb3f7a5b7 Category: Voltage Regulators - DC DC Switching Regulators Brand: Microchip Technology

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Product introduction

LM2575BT is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists Microchip Technology. Its product description is IC REG BUCK ADJ 1A TO220-5. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for LM2575BT

Description：IC REG BUCK ADJ 1A TO220-5
Series：-
Mfr：Microchip Technology
Package：Bulk
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Adjustable
Number of Outputs：1
Voltage - Input (Min)：4V
Voltage - Input (Max)：40V
Voltage - Output (Min/Fixed)：1.23V
Voltage - Output (Max)：37V
Current - Output：1A
Frequency - Switching：52kHz
Synchronous Rectifier：No
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Through Hole
Package / Case：TO-220-5
Supplier Device Package：TO-220-5
Grade：-
Qualification：-

Voltage Regulators - DC DC Switching Regulators datasheet and documents for LM2575BT

LM2575BT

Voltage Regulators - DC DC Switching Regulators Overview

The LM2575BT is a monolithic integrated circuit step-down switching regulator manufactured by Microchip Technology. It operates with a fixed internal oscillator at 52kHz, requiring minimal external components to configure. The device provides a maximum output current of 1A and supports input voltages ranging from 4V to 40V. It features thermal shutdown and current limit protection circuits. The component is housed in a TO-220-5 package and is designed for high efficiency applications.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Integrated 52kHz fixed-frequency oscillator simplifies design
Built-in thermal shutdown and current limit protection
TTL shutdown capability for low power standby modes

Voltage Regulators - DC DC Switching Regulators Applications

Step-down DC-DC converters
Pre-regulators for switching regulators
Direct regulation from bus lines

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific output voltage suffix associated with the LM2575BT part number, as the base model requires a suffix to define the fixed output voltage (e.g., 3.3V, 5.0V, 12V). Confirm the manufacturer source, as National Semiconductor was acquired by Texas Instruments, while Microchip also produces variants. Ensure the TO-220-5 package type matches the application requirements.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component for designs requiring a simple, efficient buck converter topology with a 1A load capacity. It is suitable for applications where a fixed 52kHz switching frequency is acceptable. Consider the input voltage range limits and ensure adequate heat dissipation for the TO-220 package under high load conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

The LM2575 series belongs to the SIMPLE SWITCHER family of regulators. These devices are widely used for replacing traditional linear regulators to improve efficiency and reduce heat generation. The series includes standard and high-voltage input versions, offering flexibility for various industrial and commercial power supply designs.