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LM2596 3.3V SMD IC
Specifications
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IC Type: Step-Down Switching Regulator (Buck Converter)
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Model: LM2596-3.3
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Output Voltage: Fixed 3.3V
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Output Current: Up to 3A
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Input Voltage Range: 4.5V to 40V
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Switching Frequency: 150kHz (typical)
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Efficiency: Up to 90%
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Package Type: SMD (TO-263 / D2PAK)
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Built-in Protections: Thermal shutdown, current limit
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Operating Temperature: -40°C to +125°C
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RoHS Compliance: Yes
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The LM2596 3.3V SMD IC is a high-efficiency step-down (buck) switching voltage regulator designed to deliver a fixed 3.3V output with up to 3A current. It supports a wide input voltage range and offers excellent line and load regulation, making it ideal for DC-DC converters, embedded power supplies, IoT devices, and industrial electronics.
This IC is widely used in Arduino & ESP32 power supplies, microcontroller circuits, wireless modules, robotics, and battery-powered electronic systems.
Applications
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DC-DC buck converters
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3.3V regulated power supplies
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Arduino & ESP32 circuits
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IoT devices
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Embedded systems
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Industrial electronics








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