LM2596S5.0 5V Fixed DCDC Buck Converter Module
HighEfficiency StepDown Voltage Regulator
The LM2596S5.0 is a fixedoutput voltage regulator that steps down higher DC voltages to a stable 5V output. It is part of the Texas Instruments SIMPLE SWITCHER® series, offering a robust power solution for microcontrollers, sensors, and consumer electronics [citation:3][citation:9].
Fixed 5V Output - Provides a stable 5V rail for powering Arduino, ESP32, and 5V logic circuits
High Current Capability - Delivers up to 3A with excellent line and load regulation
Input Voltage Range: 4.5V to 40V DC [citation:1][citation:3].
Output Voltage: Fixed 5V DC [citation:7].
Output Current: Up to 3A [citation:8].
Switching Frequency: 150 kHz [citation:1].
Key Features
+Simple to use with only 4 external components required [citation:3].
+Internal frequency compensation and fixed-frequency oscillator for stable operation.
+Thermal shutdown and current-limit protection for robust performance.
+Low power standby mode with typical 80µA shutdown current.
+Uses readily available standard inductors.
= Applications =
- Efficient power supply for 5V microcontrollers and logic devices.
- Step-down conversion in consumer electronics, industrial equipment, and signal processing systems [citation:1].
- Powering sensors, displays, and other 5V peripherals.
- Battery-powered equipment.
Industry Proven Widely used and welldocumented regulator from Texas Instruments
Simple StepDown Solution Minimal component count for easy implementation
√ Available in a surfacemount TO263 package [citation:1].
√ Features thermal and current-limit protection.
√ Fixed 5V output simplifies design.