Microchip Technology MIC2287CBD5 Overview

The MIC2287CBD5 is a high-efficiency, 1.2MHz, pulse-width modulated (PWM), synchronous boost regulator from Microchip Technology. Designed to provide a compact and powerful solution for portable electronics, this device is capable of stepping up low input voltages to a higher output voltage necessary for multi-function applications.

Key Features

• High Efficiency: The MIC2287CBD5 offers up to 96% efficiency, which is ideal for battery-powered devices, ensuring maximum battery life and minimal heat generation.
• Adjustable Output Voltage: Users can set the output voltage from 2.5V to as high as 10V by using external resistors, providing flexibility for various design requirements.
• High-Frequency Operation: With a 1.2MHz switching frequency, the regulator allows for the use of small external components, resulting in a compact power solution that saves board space.
• Synchronous Rectification: The inclusion of internal synchronous rectification improves efficiency by reducing power loss associated with diode forward voltage drop.
• Low Quiescent Current: The device's low quiescent current is beneficial for extending standby and operational battery life in portable applications.
• Thermal Shutdown and Overcurrent Protection: Built-in safety features protect the device and the end application from damage due to excessive heat or current overload.

Applications

The MIC2287CBD5 is versatile and can be used in a variety of applications, including:

• Portable Media Players
• Handheld Devices
• Battery-Powered Equipment
• Power Supply Backup
• Energy Harvesting
• LED Lighting

Package and Reliability

The device comes in a small 5-Pin Thin SOT-23 package, which is suitable for space-constrained applications. The MIC2287CBD5 is also characterized for operation over the full industrial temperature range of -40°C to +85°C, ensuring reliable performance in diverse environments.

In summary, the MIC2287CBD5 from Microchip Technology is a high-performance, feature-rich boost regulator that offers efficiency, flexibility, and reliability for designers looking to optimize their power management solutions in portable and space-limited applications.