Overview of Texas Instruments TPS61040DDCT

The TPS61040DDCT from Texas Instruments is a high-frequency boost converter dedicated to small to medium LCD bias supply and white LED applications. This compact and efficient device is designed to convert a lower voltage input to a higher voltage output, which is essential for driving various electronic components.

Key Features

• Adjustable Output Voltage: The TPS61040DDCT allows users to adjust the output voltage to meet the requirements of the specific application, providing a versatile solution for a range of devices.
• High Efficiency: With its high switching frequency of up to 1.2MHz, the TPS61040DDCT ensures efficient power conversion, which is crucial for battery-powered devices.
• Small Package Size: The device comes in a tiny 5-pin SOT-23 package, making it an ideal choice for space-constrained applications.
• Low Quiescent Current: The TPS61040DDCT offers a low quiescent current, which helps in extending battery life in portable applications.
• Integrated Power Diode: An integrated power diode is provided to reduce external component count, simplifying the design and reducing overall system cost.

Applications

The versatility of the TPS61040DDCT makes it suitable for a variety of applications, including:

• Small to medium LCD bias supplies
• White LED backlighting for smartphones, tablets, and notebooks
• Portable battery-powered equipment
• Positive bias supply for OLED displays

Technical Specifications

Some of the technical specifications of the TPS61040DDCT include:

• Input Voltage Range: 1.8V to 6V
• Output Voltage Range: Adjustable up to 28V
• Maximum Output Current: 250mA (depending on input/output voltage)
• Switching Frequency: Up to 1.2MHz
• Operating Temperature Range: -40°C to 85°C

Overall, the Texas Instruments TPS61040DDCT is a highly efficient, adjustable boost converter that is ideal for powering LEDs and LCD displays in portable devices. Its small footprint, high efficiency, and flexibility make it a go-to solution for designers looking to optimize their power management systems.