LDL1117S33R In Stock STMicroelectronics Low Dropout Linear Voltage Regulator Authorized ST Electronic Parts Suppliers

The LDL1117S33R is a low-dropout linear voltage regulator (LDO) from STMicroelectronics. It provides a fixed output voltage of 3.3V and can deliver up to 1.2A of current. The input voltage range for this regulator is from 2.5V to 18V, and it features a typical dropout voltage of 350 mV at 1.2A.

Key specifications of the LDL1117S33R include:
– Output Voltage: 3.3V
– Output Current: 1.2A
– Input Voltage Range: 2.5V to 18V
– Dropout Voltage: 350 mV at 1.2A
– Power Supply Rejection Ratio (PSRR): 87 dB at 120 Hz, decreasing to more than 40 dB at 100 kHz
– Protection Features: Current limit, short-circuit protection, and thermal shutdown
– Operating Temperature Range: -40°C to +125°C

The LDL1117S33R is suitable for applications requiring a stable and low-noise power supply, such as in SMPS direct regulations and secondary linear regulations in DC-DC converters. It is available in a SOT-223-4 package, making it suitable for surface-mount applications.