LM2597MX-3.3

$2.08

Description：IC REG BUCK 3.3V 500MA 8SOIC
Series：SIMPLE SWITCHER®
Mfr：Texas Instruments
Package：Tape & Reel (TR)

SKU:a4ecb2cdc1c2 Category: Voltage Regulators - DC DC Switching Regulators Brand: Texas Instruments

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Product introduction

LM2597MX-3.3 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 3.3V 500MA 8SOIC. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for LM2597MX-3.3

Description：IC REG BUCK 3.3V 500MA 8SOIC
Series：SIMPLE SWITCHER®
Mfr：Texas Instruments
Package：Tape & Reel (TR)
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Fixed
Number of Outputs：1
Voltage - Input (Min)：4.5V
Voltage - Input (Max)：40V
Voltage - Output (Min/Fixed)：3.3V
Voltage - Output (Max)：-
Current - Output：500mA
Frequency - Switching：150kHz
Synchronous Rectifier：No
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：8-SOIC (0.154", 3.90mm Width)
Supplier Device Package：8-SOIC
Grade：-
Qualification：-

Voltage Regulators - DC DC Switching Regulators datasheet and documents for LM2597MX-3.3

LM2597MX-3.3

Voltage Regulators - DC DC Switching Regulators Overview

The LM2597MX-3.3/NOPB is a SIMPLE SWITCHER power converter from Texas Instruments, functioning as a 150 kHz step-down voltage regulator. It integrates a fixed-frequency oscillator and an internal switch capable of delivering up to 0.5 A output current. The device supports Buck and Inverting topologies with a single output. It operates within a junction temperature range of -40°C to +125°C and utilizes an SOIC-8 surface-mount package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Integrates a fixed-frequency oscillator for stable switching operation at 150 kHz
Includes an internal high-current switch rated for 0.5 A continuous load
Supports flexible circuit configurations including buck and inverting topologies

Voltage Regulators - DC DC Switching Regulators Applications

Distributed power supply systems requiring efficient step-down conversion
Pre-regulator circuits for switching regulators
Battery-powered applications utilizing simple switcher technology

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix against official documentation, as standard listings often reference the LM2597M-12 variant. Confirm RoHS compliance status via the manufacturer's datasheet. Ensure the ordering part number matches the required output voltage configuration and package type before procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component for designs requiring a 0.5 A step-down solution with minimal external components. The fixed 150 kHz frequency allows for smaller passive component sizes compared to lower-frequency alternatives. Verify input voltage ranges and thermal requirements for the SOIC-8 package under maximum load conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LM2597 family of SIMPLE SWITCHER converters. It shares architectural similarities with the LM2594 and LM2596 series but offers specific integration features for 0.5 A applications. The family is characterized by ease of design implementation and robust performance in compact power management solutions.