LM2595SX-ADJ/E7003032

Voltage Regulators - DC DC Switching Regulators Overview

The LM2595SX-ADJ/E7003032 is a SIMPLE SWITCHER® step-down voltage regulator manufactured by Texas Instruments. It operates with an input voltage range of 4.5 V to 40 V and provides an adjustable output voltage from 1.2 V to 37 V. The device delivers up to 1 A of output current at a fixed switching frequency of 150 kHz. It utilizes a TO-263-5 (D²Pak) surface-mount package and features a typical quiescent current of 5 mA. The component supports operation across an extended temperature range from -40 °C to +125 °C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated monolithic buck converter topology for efficient step-down conversion
• Built-in internal power switch rated for 1 A continuous load current
• Fixed 150 kHz switching frequency enabling compact external component sizing
• Adjustable output voltage capability via external resistor feedback network

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation in distributed power supply architectures
• Pre-regulation stages for downstream linear regulators
• Efficient battery-powered systems requiring wide input voltage tolerance

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix /E7003032 against official Texas Instruments documentation, as this code may indicate a specific manufacturing lot, tape-and-reel configuration, or regional variant distinct from standard NOPB versions. Confirm that the TO-263-5 package matches your PCB footprint requirements and ensure thermal management strategies align with the 1 A output capability under expected ambient conditions.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a robust, high-current buck regulator is needed with a wide input voltage range up to 40 V. The adjustable output version offers flexibility for custom voltage rails compared to fixed-output variants. Consider the TO-263-5 package for its balance of thermal performance and surface-mount convenience in industrial or automotive environments where extended temperature ratings are mandatory.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2595 series of SIMPLE SWITCHER regulators, designed for straightforward implementation of non-isolated DC-DC converters. The series is characterized by minimal external components and built-in protection features. The LM2595SX-ADJ variant specifically allows users to set the output voltage using two external resistors, providing versatility for various system voltage requirements within the specified operational limits.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct pin-compatible replacements include the LM2595SX-ADJ/NOPB. Verify if alternative packages such as the through-hole LM2595T-ADJ are suitable if board layout changes are permitted. Ensure any substitute maintains the 1 A current rating and 150 kHz switching frequency to preserve existing passive component values.