The TS1117CW33RP is a low dropout (LDO) positive voltage regulator from Taiwan Semiconductor. It's designed to provide a stable and regulated 3.3V output voltage. The 'CW' indicates that it's packaged in a TO-252 package, while 'RP' likely signifies tape and reel packaging for automated assembly.
Applications:
- Microcontroller power supplies
- Digital logic power supplies
- Post-regulation for switching power supplies
- Battery chargers
- Power management in portable devices
- Embedded systems
Features:
- Low Dropout Voltage: Typically 1.2V at 1A output current.
- Fixed Output Voltage: Precisely regulates the output to 3.3V.
- Output Current of 1A: Can deliver up to 1A of output current.
- Internal Current Limit: Protects the regulator and the load from overcurrent conditions.
- Thermal Overload Protection: Prevents damage due to excessive heat.
- TO-252 Package: Allows for efficient heat dissipation.
Benefits:
- Stable 3.3V Output: Ensures reliable operation of connected devices.
- Simplified Design: Fixed output voltage simplifies the design and reduces external component count.
- Overcurrent and Thermal Protection: Enhances system reliability and prevents damage.
- Efficient Regulation: Low dropout voltage minimizes power loss, especially important in battery-powered applications.
- Easy to Assemble: The TO-252 package is well-suited for automated assembly processes.
Additional Details:
The TS1117CW33RP is a frequently used regulator for powering various digital circuits and microcontrollers that operate at 3.3V. Its low dropout voltage makes it ideal for applications where the input voltage is only slightly higher than the desired output voltage. The TO-252 package provides adequate thermal performance for most applications, and the internal protection features enhance system reliability. The 'RP' suffix indicates that the parts are provided on tape and reel, facilitating automated pick-and-place assembly, crucial for high-volume manufacturing. It is used extensively as a post regulator providing cleaner and stable voltages after a DC-DC conversion.
Typical Specifications:
- Output Voltage: 3.3V
- Output Current: 1A (Maximum)
- Dropout Voltage: 1.2V (Typical at 1A)
- Operating Temperature Range: -40°C to +125°C
- Package: TO-252