LM2575S-ADJ

$4.05

Description：IC REG BUCK ADJ 1A TO263
Series：SIMPLE SWITCHER®
Mfr：Texas Instruments
Package：Tube

SKU:d82af5b0b32e Category: Voltage Regulators - DC DC Switching Regulators Brand: Texas Instruments

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Product introduction

LM2575S-ADJ is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC REG BUCK ADJ 1A TO263. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for LM2575S-ADJ

Description：IC REG BUCK ADJ 1A TO263
Series：SIMPLE SWITCHER®
Mfr：Texas Instruments
Package：Tube
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：Surface Mount
Package / Case：TO-263-6, D2PAK (5 Leads + Tab), TO-263BA
Supplier Device Package：TO-263 (DDPAK-5)
Grade：-
Qualification：-

Voltage Regulators - DC DC Switching Regulators datasheet and documents for LM2575S-ADJ

LM2575S-ADJ

Voltage Regulators - DC DC Switching Regulators Overview

The LM2575S-ADJ is a SIMPLE SWITCHER step-down voltage regulator from Texas Instruments, housed in a TO-263 package. It operates with an input voltage range of 4V to 40V and delivers up to 1A output current. The adjustable output voltage spans from 1.23V to 37V. Key electrical parameters include a typical switching frequency of 52kHz, a maximum efficiency of 77%, and ripple/noise of 150mV. It functions within a temperature range of -40°C to 125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Integrated monolithic buck converter topology for efficient step-down regulation
Adjustable output voltage capability via external feedback network
Built-in internal oscillator for fixed frequency operation without external timing components
Thermal shutdown protection to safeguard against overheating conditions

Voltage Regulators - DC DC Switching Regulators Applications

General-purpose DC/DC power supply designs
Pre-regulator circuits for linear regulators
Battery charging systems requiring adjustable voltage levels
Efficient point-of-load conversion modules

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix (e.g., NOPB) to confirm RoHS compliance status. Ensure the ordering part number matches the exact package type and thermal characteristics required for your PCB layout. Cross-reference the manufacturer datasheet for latest revision notes and recommended component values for optimal performance.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when input voltages are between 4V and 40V and adjustable output is needed. Compare against LM2595 series if higher switching frequencies are required for smaller passive components. Consider thermal management requirements due to the TO-263 package's power dissipation limits under high load conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LM2575 family of SIMPLE SWITCHER regulators. It serves as a surface-mount alternative to through-hole versions like the LM2575D. The family is designed for simplicity, reducing external component count while maintaining robust performance for industrial and commercial applications.