Product Overview: LTC1682CMS8-5 from Linear Technology

The LTC1682CMS8-5 is a high-efficiency, CMOS charge pump DC/DC converter manufactured by Linear Technology, now part of Analog Devices. This versatile component is specifically designed to provide a regulated output voltage of 5V from an input voltage range of 2.7V to 4.5V, making it an ideal choice for battery-powered applications where efficient power conversion is critical.

The LTC1682CMS8-5 comes in a compact MSOP-8 package, which is well-suited for space-constrained applications. It boasts a high switching frequency of up to 10kHz, allowing the use of small, low-cost capacitors while still delivering low output ripple and noise. This makes it an excellent choice for portable devices where maintaining a small form factor is essential.

One of the key features of the LTC1682CMS8-5 is its low quiescent current, which significantly extends battery life in portable devices. Additionally, it has a low shutdown current of under 10µA, further conserving power when the device is not in active use. The high level of integration means that no inductors are required, simplifying design and reducing overall system cost and complexity.

The device also includes built-in thermal shutdown and current limit features to protect against over-temperature and over-current conditions, ensuring reliable operation under various circumstances. The LTC1682CMS8-5 is capable of driving loads up to 100mA, which is suitable for a wide range of applications including handheld instruments, mobile phones, and other portable consumer electronics.

For design flexibility, the LTC1682CMS8-5 can be used in applications requiring a fixed 5V output or can be paired with external resistors to program the output voltage to other values, accommodating a variety of design requirements. The high efficiency and low operational noise of the LTC1682CMS8-5 make it a preferred choice for RF and sensitive analog circuits that demand clean power supply rails.

In summary, the LTC1682CMS8-5 from Linear Technology is a reliable, efficient, and versatile power solution that addresses the needs of modern portable electronics with its compact size, high efficiency, and ease of use.