LM2596S12 12V Fixed DCDC Buck Converter Module
HighEfficiency 3A StepDown Voltage Regulator
The LM2596S12 is a fixedoutput voltage regulator that steps down higher DC voltages to a stable 12V output. It is part of the Texas Instruments SIMPLE SWITCHER® series, offering a robust power solution for industrial and consumer electronics [citation:3][citation:1].
Fixed 12V Output - Provides a stable 12V rail for motors, LED strips, and industrial equipment [citation:1]
3A Current Capability Drives highpower loads with excellent line and load regulation [citation:2]
Input Voltage Range: 4.5V to 40V DC [citation:2]
Output Voltage: Fixed 12V DC ±4% tolerance [citation:3]
Output Current: Up to 3A [citation:4]
Switching Frequency: 150 kHz [citation:1]
Efficiency: Up to 90% [citation:5]
Package: TO2635 (surface mount) [citation:1]
Operating Temperature: -40°C to +125°C [citation:8]
Key Features
+Requires only 4 external components for a complete power supply design [citation:1].
+Internal frequency compensation and fixed-frequency oscillator for stable operation [citation:6].
+Thermal shutdown and current-limit protection for robust performance [citation:1].
+Low power standby mode with typical 80µA shutdown current [citation:6].
+Uses readily available standard inductors [citation:1].
= Applications =
- Efficient on-card switching regulators [citation:6].
- High-power 12V device power supplies [citation:3].
- Step-down conversion in industrial equipment [citation:1].
- Pre-regulators for linear regulators [citation:3].
Simple StepDown Solution Minimal component count for easy implementation [citation:1]
Industry Proven Widely used and welldocumented regulator [citation:6]
√ Available as a bare IC in a surfacemount TO263 package and as readytouse modules [citation:1]
√ Features thermal and current-limit protection [citation:1]
√ Fixed 12V output simplifies design [citation:2]