LT3493EDCB

The LT3493EDCB is a high voltage boost converter with integrated power switch that delivers a compact and efficient solution for generating higher output voltages from lower input voltages. It is designed to drive up to 8 LEDs in series, providing a convenient solution for LED backlighting and display applications.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

• VIN: Input Voltage
• SW: Switch Pin
• GND: Ground
• FB: Feedback Pin
• VOUT: Output Voltage
• RT: Set the LED Current

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the LT3493EDCB for a visual representation.

Key Features

• High Voltage Boost Converter: Capable of boosting input voltage to drive up to 8 LEDs in series.
• Integrated Power Switch: Simplifies the circuit design by integrating the power switch into the IC.
• Wide Input Voltage Range: Operates over a wide input voltage range, making it suitable for various applications.
• Adjustable LED Current: The RT pin allows for easy adjustment of the LED current, providing flexibility in LED backlighting designs.
• Compact Package: Available in a small DFN package, saving board space and enabling compact designs.

Note: For detailed technical specifications, please refer to the LT3493EDCB datasheet.

Application

• LED Backlighting: Ideal for driving LED backlighting in displays, keypads, and other electronic devices.
• Display Systems: Suitable for powering LED display systems with higher voltage requirements.
• Battery-Powered Devices: Can be used in battery-powered devices with lower voltage supplies to drive higher voltage LED loads.

Functionality

The LT3493EDCB functions as a high voltage boost converter with an integrated power switch, enabling the generation of higher output voltages from lower input voltages. It is specifically designed for driving LED loads, providing efficient and adaptable LED backlighting solutions.

Usage Guide

• Input Voltage: Connect VIN (Pin 1) to the input voltage source.
• LED Connections: Connect the LED anodes to VOUT (Pin 4) and the cathodes to the SW pin (Pin 2).
• Feedback: Use the FB (Pin 3) pin to provide feedback and adjust the output voltage as needed.

Frequently Asked Questions

Q: Can the LT3493EDCB drive less than 8 LEDs in series?
A: Yes, the LT3493EDCB can be used to drive fewer LEDs in series by adjusting the current and voltage settings accordingly.

Q: Is the LT3493EDCB suitable for automotive applications?
A: Yes, the LT3493EDCB is designed to operate with a wide input voltage range, making it suitable for automotive LED lighting and display applications.