ON Semiconductor CAT6219-300TDGT3 Voltage Regulator

The CAT6219-300TDGT3 is a high-performance, fixed output voltage regulator from ON Semiconductor, designed to deliver a continuous 300 mA of output current. This regulator is an ideal choice for portable, battery-powered applications due to its low dropout voltage and quiescent current, ensuring efficient power management and extended battery life.

With its fixed output voltage of 3.0V, the CAT6219-300TDGT3 provides a stable and reliable power source for sensitive electronic components. The device's precision output voltage is maintained over a wide range of input voltages and load conditions, thanks to its excellent line and load regulation characteristics.

The regulator boasts a low dropout voltage of typically 165 mV at 300 mA load, which allows for efficient operation even when the input voltage is close to the output voltage, reducing power loss and heat generation. Additionally, the low quiescent current of typically 50 µA minimizes standby power consumption, further conserving battery life in portable devices.

The CAT6219-300TDGT3 incorporates several protective features to ensure the longevity and reliability of both the regulator and the device it powers. These include thermal shutdown protection, which prevents damage due to overheating, and current limit protection to safeguard against excessive load conditions. Moreover, the device is stable with ceramic output capacitors, providing flexibility in design choices for space-constrained applications.

This voltage regulator is available in a space-saving 5-pin TSOT-23 package, making it suitable for compact designs where board space is at a premium. The lead-free and RoHS-compliant package reflects ON Semiconductor's commitment to environmental sustainability.

Whether you are designing power supplies for handheld devices, wearables, or any other application requiring a compact, efficient, and reliable voltage regulator, the CAT6219-300TDGT3 from ON Semiconductor is an excellent choice that combines performance, protection, and power efficiency.