ON Semiconductor CAT4003BTD-GT3 LED Driver

The CAT4003BTD-GT3 is a high-performance, constant current LED driver from ON Semiconductor, designed to deliver precise current regulation for lighting applications. This component is part of ON Semiconductor's extensive portfolio of power management solutions, catering to the needs of energy-efficient and compact device designs.

This LED driver is capable of driving up to three LEDs in series with a constant current of 30mA, 25mA, or 20mA, selectable via an external resistor. The precision of the current regulation ensures uniform brightness and extends the life of the LEDs by avoiding overcurrent conditions. The CAT4003BTD-GT3 operates over a wide input voltage range from 2.5V to 5.5V, making it suitable for a variety of applications, including battery-powered devices.

Featuring a low dropout voltage, the CAT4003BTD-GT3 maximizes the battery life for portable applications. The device also includes thermal shutdown protection, which protects the LEDs and the driver from overheating, thus ensuring reliable operation over its entire temperature range. The low quiescent current of the device further contributes to the overall energy efficiency of the system it is part of.

The CAT4003BTD-GT3 comes in a compact 5-lead TSOT-23 package, which is ideal for space-constrained applications. Its small footprint allows for more creative and flexible PCB designs, which is particularly beneficial in portable electronics, accent lighting, and backlighting applications.

Key features of the CAT4003BTD-GT3 include:

• Constant current output: 30mA, 25mA, or 20mA
• Input voltage range: 2.5V to 5.5V
• Thermal shutdown protection
• Low quiescent current
• Low dropout voltage
• Compact 5-lead TSOT-23 package

ON Semiconductor's commitment to innovation and quality makes the CAT4003BTD-GT3 a reliable and efficient solution for driving LEDs in a wide range of applications. With its precise current control and low power consumption, this LED driver is an excellent choice for designers looking to enhance their lighting solutions.