The CAT4240TD-GT3 is a high-efficiency, step-up DC-DC converter manufactured by ON Semiconductor, designed to meet the needs of a wide range of applications requiring a boost in voltage. This device is particularly well-suited for battery-powered equipment, as it can efficiently increase the voltage of a single-cell battery to the levels required for driving various electronic components.

Key Features

• Output Voltage: The CAT4240TD-GT3 provides an adjustable output voltage up to 38V, making it versatile for multiple applications.
• Switching Frequency: It operates at a fixed 1MHz switching frequency, allowing the use of small, low-profile inductors and capacitors to minimize the size of the power supply.
• High Efficiency: With an efficiency of up to 87%, this converter ensures minimal power loss during the voltage step-up process, thus extending battery life in portable devices.
• Current Limiting and Thermal Protection: It incorporates built-in current limiting and thermal shutdown features, providing reliable protection for the device and the system in case of fault conditions.
• Low Shutdown Current: The device also features a low shutdown current of less than 1µA, which contributes to the conservation of battery life when the device is not active.

Applications

The versatility of the CAT4240TD-GT3 makes it an ideal choice for a variety of applications, including but not limited to:

• LED backlighting for LCD displays
• Portable lighting
• Battery-powered equipment
• Powering OLED displays

Package and Availability

The CAT4240TD-GT3 is available in a compact 5-lead TSOT-23 package, ensuring a minimal footprint on the PCB. This device is part of ON Semiconductor's commitment to providing energy-efficient solutions for power management challenges across various industries. For pricing, samples, and additional information, customers can contact ON Semiconductor's sales representatives or authorized distributors.