Microchip Technology, Inc. Voltage Regulators - DC DC Switching Regulators MIC23303YML-T5

The MIC23303YML-T5 is a synchronous buck regulator designed for high efficiency and compact applications. It operates with an input voltage range of 2.7V to 5.5V and can deliver an output current of up to 3A. The device features a peak efficiency of 93% and maintains 80% efficiency at light loads of 1mA, making it suitable for battery-powered devices. The regulator includes a Power Good output indicator and programmable soft-start functionality, enhancing its usability in various applications. This regulator operates at a switching frequency of 4MHz, allowing for a small solution size with minimal external components, requiring only six components for operation. It is housed in a 12-pin 3mm vó 3mm DFN package, which is advantageous for space-constrained designs. The MIC23303 also boasts a low quiescent current of 24¬µA and a shutdown current of just 0.01¬µA, contributing to its efficiency in portable applications. The device is designed to operate over a junction temperature range of -40¬8C to +125¬8C, ensuring reliability in diverse environmental conditions. It is particularly well-suited for applications such as portable media players, GPS devices, digital cameras, and wireless LAN cards.