LT1947 (4)
LT1947 is available from Analog Devices at Xecor. Designed for TFT-LCD voltage regulation, the LT1947 offers highly integrated multiple output DC/DC conversion with adjustable output voltages, 3MHz switching frequency, and a compact design under 1.2mm in height. Available in 10-lead MSOP and thermally enhanced 10-lead MSOP packages, it is ideal for TFT-LCD notebook and desktop monitor display panels, digital cameras, and handheld computers. Whether used in portable electronics or display systems, this series ensures low noise, fast transient response, and efficient power management for demanding applications. Xecor is an authorized distributor for Analog Devices. Please view our extensive selection of the LT1947 series below.
| Part Number | Description | Package | Inventory | Add To Bom |
|---|---|---|---|---|
| LT1947EMSE#TRPBF | 0V output voltage, input voltage range 2.7V to 8V | MSOP-10 | 8,555 | |
| LT1947EMS#PBF | The LT1947EMS#PBF is an ideal solution for powering TFT-LCD panels | MSOP-10 | 6,520 | |
| LT1947EMS#TRPBF | Conv DC-DC 2.7V to 8V Step Up Triple-Out 30V 2A 10-Pin MSOP T/R | TFSOP-10 | 7,329 | |
| LT1947EMSE#PBF | Conv DC-DC 2.7V to 8V Step Up Triple-Out 30V 2A 10-Pin MSOP EP Tube | MSOP-10 | 2,699 |
Key Featrues
Compact Design Under 1.2mm: The LT1947's highly integrated design allows for a complete solution with all components under 1.2mm in height, making it ideal for low-profile applications such as TFT-LCD panels, digital cameras, and handheld computers. This compactness enhances space efficiency in device designs.
Triple Output Voltage Generation: The device generates three adjustable output voltages from a single 3.3V or 5V supply, simplifying power management in multi-voltage systems. This feature reduces the need for additional power components, lowering cost and complexity.
3MHz Switching Frequency: With a high switching frequency of 3MHz, the LT1947 enables the use of small, low-profile inductors and capacitors. This results in a low-noise, cost-effective solution while maintaining efficient power conversion.
Wide Input Voltage Range (2.7V to 8V): The device operates across a broad input voltage range, providing flexibility in various applications, including battery-powered devices and systems with fluctuating power sources. This versatility enhances its adaptability in diverse use cases.
Externally Programmable VON Delay: The LT1947 allows for an externally programmable delay from the AVDD output to the VON pin, enabling precise timing control in TFT-LCD panels. This feature ensures optimal performance and reliability in display applications.
Triple Output Voltage Generation: The device generates three adjustable output voltages from a single 3.3V or 5V supply, simplifying power management in multi-voltage systems. This feature reduces the need for additional power components, lowering cost and complexity.
3MHz Switching Frequency: With a high switching frequency of 3MHz, the LT1947 enables the use of small, low-profile inductors and capacitors. This results in a low-noise, cost-effective solution while maintaining efficient power conversion.
Wide Input Voltage Range (2.7V to 8V): The device operates across a broad input voltage range, providing flexibility in various applications, including battery-powered devices and systems with fluctuating power sources. This versatility enhances its adaptability in diverse use cases.
Externally Programmable VON Delay: The LT1947 allows for an externally programmable delay from the AVDD output to the VON pin, enabling precise timing control in TFT-LCD panels. This feature ensures optimal performance and reliability in display applications.
Applications
TFT-LCD Display Power Management: The LT1947 is ideal for powering TFT-LCD display panels in notebooks and desktop monitors. Its triple-output design ensures stable and adjustable voltages for AVDD, VON, and negative bias, making it suitable for high-performance display applications in consumer electronics and industrial monitors.
Portable Device Power Supply: The LT1947 is well-suited for portable devices such as digital cameras and handheld computers. Its compact design, low-profile components, and ability to operate from a 2.7V to 8V input range make it an excellent choice for space-constrained, battery-powered applications requiring efficient power management.
Automotive Display Systems: The LT1947 can be used in automotive display systems, such as infotainment screens and instrument clusters. Its robust design, adjustable output voltages, and ability to handle input voltages up to 8V make it suitable for automotive environments where reliable power delivery is critical.
Industrial Control Panels: The LT1947 is ideal for powering TFT-LCD panels in industrial control systems. Its ability to generate multiple stable outputs and operate over a wide temperature range (-40°C to 85°C) ensures reliable performance in harsh industrial environments, making it suitable for factory automation and process control applications.
Portable Device Power Supply: The LT1947 is well-suited for portable devices such as digital cameras and handheld computers. Its compact design, low-profile components, and ability to operate from a 2.7V to 8V input range make it an excellent choice for space-constrained, battery-powered applications requiring efficient power management.
Automotive Display Systems: The LT1947 can be used in automotive display systems, such as infotainment screens and instrument clusters. Its robust design, adjustable output voltages, and ability to handle input voltages up to 8V make it suitable for automotive environments where reliable power delivery is critical.
Industrial Control Panels: The LT1947 is ideal for powering TFT-LCD panels in industrial control systems. Its ability to generate multiple stable outputs and operate over a wide temperature range (-40°C to 85°C) ensures reliable performance in harsh industrial environments, making it suitable for factory automation and process control applications.
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