LT1945EMS Dual DC/DC Converter from Linear Technology

The LT1945EMS is a versatile dual DC/DC converter integrated circuit designed and manufactured by Linear Technology, a company renowned for its high-performance analog integrated circuits. This compact, high-frequency device is specifically engineered to cater to the needs of TFT-LCD bias supply systems and other applications requiring multiple output voltages from a single input source.

Key Features:

• Wide Input Voltage Range: The LT1945EMS operates efficiently with an input voltage range of 2.6V to 16V, making it compatible with a variety of power sources, from single-cell lithium-ion batteries to fixed 12V power rails.
• Dual Outputs: It features two independent converter channels. The first is a positive output boost converter, while the second is an inverting converter, providing both positive and negative outputs necessary for applications like LCD bias.
• Adjustable Frequency: The switching frequency can be adjusted from 200kHz to 2.5MHz, allowing designers to optimize the performance between efficiency and external component size.
• Low Shutdown Current: The shutdown feature reduces the quiescent current to a mere 1µA, which significantly conserves battery life in portable applications.

Applications:

• TFT-LCD Bias Supplies
• Portable Instruments
• Battery-Powered Equipment
• Positive and Negative Output Converters

The LT1945EMS comes in a compact 10-lead MSOP package, offering a space-saving solution for modern electronic devices where board space is at a premium. Its high level of integration reduces the need for external components, simplifying design and reducing overall system cost.

With its robust feature set and flexible design, the LT1945EMS is an excellent choice for engineers and designers looking for a reliable dual-output power solution. Whether it's powering the delicate electronics of an LCD display or providing stable power for portable devices, the LT1945EMS stands out for its efficiency, versatility, and Linear Technology's commitment to quality.