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LD33 3.3V Voltage Regulator IC – Low Dropout (LDO) Linear Regulator
Specifications
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Output Voltage: 3.3V (fixed)
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Output Current: Up to 800mA (varies by package)
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Input Voltage Range: 4.5V – 15V
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Dropout Voltage: ~1.1V (at full load)
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Regulator Type: Low Dropout (LDO) Linear Regulator
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Protections:
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Overcurrent protection
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Thermal shutdown
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Safe-area protection
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Low output ripple
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Stable with external capacitors
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₹35.40 (Incl. GST)
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The LD33 Voltage Regulator IC is a high-performance 3.3V LDO (Low Dropout) regulator designed for powering modern low-voltage electronics. It provides a clean and stable 3.3V output from a higher input voltage while maintaining low dropout levels, making it suitable for battery-powered and low-power designs.
This regulator is commonly used with ESP8266, ESP32, Arduino modules, sensors, RF modules, microcontrollers, IoT devices, and other circuits requiring a regulated 3.3V supply.
It includes built-in current limiting, thermal shutdown, and safe-area protection for reliable operation.
Applications
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ESP8266 / ESP32 power supply
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Arduino 3.3V modules
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Microcontrollers & digital ICs
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IoT devices and RF modules
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Sensors and communication boards
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Low-power electronics
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3.3V regulated power supply circuits
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