LD1117D33CTR – STMicroelectronics
3.3 V, 800 mA Linear Regulator IC, 8‑SOIC Package
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Overview
The LD1117D33CTR is a low dropout (LDO) linear regulator IC manufactured by STMicroelectronics. This device provides a fixed 3.3V output voltage with a maximum output current of 800mA. It is designed for applications requiring a stable and regulated voltage source from a higher input voltage. The component is supplied in an 8-lead SOIC package, suitable for surface mount assembly.
Key Features
- Fixed 3.3V output
- 800mA maximum output current
- Low dropout voltage
- Short-circuit protection
Applications
This linear regulator is commonly used in various electronic circuits to provide a stable 3.3V supply. Its low dropout characteristic makes it suitable for battery-powered systems and applications where the input voltage is close to the desired output voltage. The device’s protection features enhance its reliability in demanding environments.
- Microcontroller power supply
- Battery-powered devices
- Post-regulation for switching power supplies
