LD1117 5.0V 800mA low dropout voltage regulator available at BDTronics is a compact and efficient LDO regulator designed to provide stable 5V output for embedded systems, microcontroller circuits, sensors, and IoT electronics projects in Bangladesh. This fixed 5V regulator in SOT-223 package offers excellent thermal performance, tight voltage tolerance, and minimal external component requirement, making it ideal for modern PCB designs.

BDTronics supplies original LD1117 5.0V, made by ST (Malaysia) regulators widely used for stepping down higher DC voltage such as 6V–15V into stable 5V supply for Arduino, ESP modules, logic circuits, communication modules, and industrial control electronics. The NPN pass transistor architecture improves efficiency by directing quiescent current mainly to the load, ensuring reliable operation in battery powered and compact devices.

Features:

• Fixed 5.0V regulated output with ±1% voltage tolerance

• Output current up to 800mA suitable for digital and analog circuits

• Low dropout voltage for efficient linear regulation

• SOT-223 surface mount package for compact PCB layout

• Only 10µF output capacitor required for stable operation

• NPN pass transistor design improving load efficiency

• On-chip trimming for accurate voltage regulation

• Thermal optimized package for improved heat dissipation

• Simple integration with minimal external components

Applications:

• Arduino and microcontroller 5V power supply circuits

• ESP32, ESP8266 and IoT device voltage regulation

• Sensor modules and communication module power management

• Embedded systems and industrial electronics

• Battery powered electronics requiring regulated 5V

• Logic circuits, ADC, DAC and interface modules

• DIY electronics and PCB prototyping projects

How To Use:

• Apply input voltage typically between 6V and 15V to VIN pin

• Connect GND pin to circuit common ground

• Take regulated 5V output from VOUT pin

• Place 10µF capacitor at output for stability as recommended

• Add input capacitor to reduce ripple and noise

• Provide adequate PCB copper area for heat dissipation at higher load

Product Instructions:

• Verify pin orientation before soldering to PCB

• Use short trace routing for capacitors close to regulator pins

• Avoid exceeding maximum input voltage rating

• Ensure proper ventilation or copper heat spreading for continuous load

• Test output voltage after installation for correct operation

Specifications:

• Model: LD1117 5.0V

• Output Voltage: 5V fixed

• Output Current: Up to 800mA

• Output Tolerance: ±1% at 25°C

• Dropout Voltage: Low dropout linear regulator

• Minimum Output Capacitor: 10µF

• Package: SOT-223

• Mounting Type: Surface mount

• Regulator Type: Low dropout voltage regulator

• Application Type: Linear power regulation

• Origin: Malaysia

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