LM2575D2T-3.3R4

$1.55

Description：IC REG BUCK 3.3V 1A D2PAK-5
Series：-
Mfr：onsemi
Package：Tape & Reel (TR)

SKU:548bacffcb03 Category: Voltage Regulators - DC DC Switching Regulators Brand: onsemi

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Product introduction

LM2575D2T-3.3R4 is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists onsemi. Its product description is IC REG BUCK 3.3V 1A D2PAK-5. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for LM2575D2T-3.3R4

Description：IC REG BUCK 3.3V 1A D2PAK-5
Series：-
Mfr：onsemi
Package：Tape & Reel (TR)
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Fixed
Number of Outputs：1
Voltage - Input (Min)：4.75V
Voltage - Input (Max)：40V
Voltage - Output (Min/Fixed)：3.3V
Voltage - Output (Max)：-
Current - Output：1A
Frequency - Switching：52kHz
Synchronous Rectifier：No
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：TO-263-6, D2PAK (5 Leads + Tab), TO-263BA
Supplier Device Package：D2PAK-5
Grade：-
Qualification：-

Voltage Regulators - DC DC Switching Regulators datasheet and documents for LM2575D2T-3.3R4

LM2575D2T-3.3R4

Voltage Regulators - DC DC Switching Regulators Overview

The LM2575D2T-3.3R4 is a monolithic integrated circuit step-down switching regulator from the LM2575 series, manufactured by onsemi. It provides a fixed 3.3 V output with a guaranteed 1.0 A load capability. The device operates within an input voltage range of 4.75 V to 40 V and utilizes a 52 kHz internal oscillator. Designed for high efficiency, it requires only four external components. The unit is housed in a surface-mount package and supports thermal shutdown and current limit protection.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Fixed 3.3 V output voltage configuration
Integrated 52 kHz fixed frequency oscillator
Thermal shutdown and current limit protection

Voltage Regulators - DC DC Switching Regulators Applications

Simple and high-efficiency step-down (buck) regulators
Efficient pre-regulator for linear regulators
On-card switching regulators

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'R4' against official onsemi documentation to confirm tape-and-reel packaging specifications. Confirm RoHS compliance status as indicated in the latest datasheet revision. Ensure the component matches the TO-263 physical dimensions if board space is constrained.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 3.3 V output is required without external feedback resistors. It is suitable for designs needing up to 1 A continuous current from inputs between 4.75 V and 40 V. Consider the surface-mount form factor for automated assembly processes.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2575 family of SIMPLE SWITCHER power converters. These devices are designed for easy implementation of buck converters using readily available standard inductors. The series includes adjustable and fixed voltage variants to support diverse power supply architectures.