The CAT4238TD-GT3 from ON Semiconductor is a high-efficiency, DC-DC step-up converter designed to drive LEDs with a constant current. This high-performance device is suitable for powering backlighting in LCD displays, keypad backlighting for mobile devices, and general LED lighting solutions. Its versatility and efficiency make it an ideal choice for designers looking to enhance the brightness and longevity of their LED applications.

Key Features

• High Output Voltage: Capable of delivering an output voltage up to 38V, the CAT4238TD-GT3 can drive multiple LEDs in series, ensuring uniform brightness and improved efficiency.
• Adjustable Output Current: The output current can be set with an external resistor, enabling precise control over the LED brightness and ensuring consistent light output.
• High Efficiency: With an efficiency of up to 94%, this device minimizes power loss, thereby extending battery life in portable applications.
• PWM Dimming Capability: The inclusion of a PWM dimming input allows for flexible control over the LED brightness, enabling dynamic lighting effects and power savings.
• Thermal Shutdown: The built-in thermal shutdown feature protects the device from overheating, ensuring safe operation and longevity of the LED driver.
• Low Profile: Offered in a slim TSOT-23-6 package, the CAT4238TD-GT3 is perfect for space-constrained applications.

Applications

The CAT4238TD-GT3 is designed for a wide range of applications where high voltage and constant current are required to drive LEDs. It is particularly well-suited for:

• LCD Backlights
• Portable Flashlights
• General LED Lighting
• Mobile Device Keypad Backlights

With its robust design and flexible features, the CAT4238TD-GT3 from ON Semiconductor is a top choice for engineers and designers looking to create reliable and efficient LED lighting solutions.