Linear Technology LTC1753CG - High-Performance Charge Pump DC/DC Converter

The LTC1753CG from Linear Technology is a versatile and efficient charge pump DC/DC converter designed to meet the needs of a wide range of applications. This component is housed in a compact SSOP-16 package and is known for its high performance and reliability. The LTC1753CG is capable of delivering a regulated output voltage with a high level of accuracy, making it an ideal choice for portable electronics, battery-powered devices, and other systems where space and power efficiency are critical.

One of the key features of the LTC1753CG is its ability to provide a selectable output voltage, which can be easily configured to match the requirements of the target application. This flexibility is achieved through the use of an external resistive divider, allowing designers to set the output voltage to a value between -2V and -10V. The LTC1753CG operates with an input voltage range from 2.7V to 5.5V, making it suitable for a variety of power sources, including single-cell lithium-ion batteries.

The LTC1753CG employs a high-frequency (1MHz) switched-capacitor charge pump architecture, which enables it to deliver high efficiency and minimize the size of external components. This high switching frequency allows the use of small, low-cost capacitors, reducing the overall solution footprint and cost. Additionally, the device features low quiescent current, further enhancing its suitability for battery-powered applications where power conservation is paramount.

For protection and safety, the LTC1753CG incorporates a range of features including thermal shutdown, short-circuit protection, and over-temperature protection. These features ensure that the device operates within safe parameters, thereby enhancing the longevity and reliability of the end product.

Overall, the LTC1753CG is a high-quality charge pump DC/DC converter that offers designers a compact, efficient, and flexible solution for generating a regulated negative voltage. Its robust feature set and ease of use make it an excellent choice for a variety of applications where space is at a premium and power efficiency is a must.