The TPS61040DBVT is a high-frequency boost converter dedicated to small to medium LCD bias supply and white LED applications. Manufactured by Texas Instruments, this device is designed to provide a reliable and efficient power solution in a tiny SOT-23 package, making it suitable for space-constrained applications.

Key Features

• Adjustable Output Voltage: The TPS61040DBVT allows for an adjustable output voltage that can be set with external resistors from 1.5V to a maximum of 28V, catering to a broad range of application requirements.
• High Efficiency: With a typical switch efficiency of up to 95%, this boost converter is optimized for battery-powered applications, ensuring minimal power loss and extended battery life.
• Low Quiescent Current: The device features a low quiescent current of typically 28µA, which is particularly beneficial for portable applications where power conservation is critical.
• High Switching Frequency: Operating at a 1.2MHz fixed switching frequency allows the use of small external components, reducing the overall solution size and cost.
• Integrated Power Diode: An integrated power diode simplifies the circuit design and reduces the number of external components required.
• Protection Features: The TPS61040DBVT is equipped with built-in over-temperature and over-current protection, ensuring safe operation under abnormal conditions.

Applications

The TPS61040DBVT is ideal for driving white LEDs in backlighting applications for mobile phones, PDAs, digital cameras, and other portable devices. It is also suitable for small LCD bias supplies, where a stable voltage source is required for optimal display performance.

Package and Availability

Offered in a compact 5-pin SOT-23 package, the TPS61040DBVT is designed to meet the demands of space-sensitive designs without compromising performance. This device is available for order and can be sourced through Texas Instruments' official distributors and online store.

For detailed technical specifications, application notes, and design resources, visit the Texas Instruments website or consult the TPS61040DBVT datasheet.