LD1117 3.3V 800mA low dropout voltage regulator available at BDTronics is a high efficiency linear LDO regulator designed to deliver stable 3.3V output for microcontrollers, WiFi modules, sensors, FPGA, and embedded electronics projects in Bangladesh. Manufactured by ST Malaysia, this original LD1117 regulator provides low dropout performance, tight output tolerance, and reliable thermal characteristics suitable for compact PCB designs.

BDTronics offers original ST, made in Malyasia LD1117 3.3V regulator higher input voltage into stable 3.3V supply for ESP8266, ESP32, STM32, Raspberry Pi peripherals, communication modules, and IoT devices. The regulator requires minimal external components and ensures high efficiency through NPN pass transistor architecture where quiescent current mainly flows into the load.

Features:

• Fixed 3.3V regulated output with ±1% tolerance at 25°C

• Output current up to 800mA suitable for digital electronics

• Low dropout voltage for efficient step down regulation

• Original ST Malaysia regulator ensuring reliable performance

• Requires only 10µF capacitor for stable operation

• NPN pass transistor design for improved efficiency

• Compact SOT-223 package for space saving PCB layout

• Thermal optimized package suitable for surface mount assembly

• Available in multiple fixed and adjustable voltage versions

Applications:

• ESP8266, ESP32, STM32 and ARM microcontroller power supply

• WiFi, Bluetooth and RF module voltage regulation

• Raspberry Pi peripherals and sensor interfacing

• IoT device power management circuits

• FPGA, ADC, DAC and logic circuit supply regulation

• Battery powered electronics requiring stable 3.3V output

• DIY electronics and embedded development boards

How To Use:

• Provide input voltage typically between 4.5V and 15V to VIN pin

• Connect GND pin to circuit ground

• Take regulated 3.3V output from VOUT pin

• Add 10µF capacitor at output for stability as recommended

• Use additional input capacitor for noise filtering

• Ensure proper PCB copper area for heat dissipation under high load

Product Instructions:

• Verify correct pin orientation before soldering

• Maintain adequate copper pad area for thermal performance

• Avoid exceeding maximum input voltage rating

• Use short trace routing for input and output capacitors

• Ensure airflow or copper heat spreading for continuous high current

Specifications:

• Model: LD1117 3.3V

• Manufacturer: ST Malaysia

• Output Voltage: 3.3V fixed

• Output Current: Up to 800mA

• Dropout Voltage: Low dropout design

• Output Tolerance: ±1% at 25°C

• Reference Voltage (Adjustable Version): 1.25V

• Minimum Output Capacitor: 10µF

• Package: SOT-223

• Mounting Type: Surface mount

• Regulator Type: Low dropout linear regulator

• Origin: Malaysia

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