The SMIC LT1521CST-3.3 is a low-dropout (LDO) voltage regulator designed to provide a stable 3.3V output with a maximum load current of 500mA. This regulator features a low dropout voltage, making it ideal for battery-powered and low-voltage applications. Encased in a compact SOT-223 package, the LT1521CST-3.3 is well-suited for space-constrained designs. Its high efficiency and low quiescent current ensure energy-saving operation in portable devices, embedded systems, and industrial equipment. Built-in protection features, such as overcurrent and thermal shutdown, ensure reliable operation in various environments.
Function |
LDO Voltage Regulator |
Dropout Voltage |
~0.5V at 500mA |
Supply Voltage Range |
4.6V to 20V |
Protection Features |
Overcurrent, Thermal Shutdown |
Operating Temperature |
-40°C to +125°C |