The AP3602BKTR-E1 from Diodes Incorporated is a highly-efficient, step-up DC-DC converter designed for driving white LEDs from a single cell lithium-ion battery. This compact and versatile component is an ideal solution for portable devices that require a consistent light source, such as mobile phones, personal digital assistants (PDAs), and digital cameras.

Key Features

• High Efficiency: With its integrated 30V, 0.2Ω internal switch, the AP3602BKTR-E1 offers high efficiency, which is crucial for maximizing battery life in portable applications.
• Adjustable Output Voltage: The output voltage can be adjusted up to 28V, which allows for multiple white LEDs to be driven in series, ensuring uniform brightness and improved performance.
• Constant Current Control: The device provides accurate constant current control, which directly translates into consistent luminance for the LED load, enhancing the user experience.
• Low Shutdown Current: The shutdown current is less than 1µA, which minimizes power consumption when the device is not in active use, further extending battery life.
• Protection Features: It includes built-in over-voltage protection, over-temperature protection, and under-voltage lockout, ensuring the safety and reliability of the device under various operating conditions.

Applications

The AP3602BKTR-E1 is versatile and can be used in a variety of applications. These include:

• Backlighting for LCD panels
• Portable flashlights and torches
• General LED lighting

Package and Availability

The device is offered in a compact 5-pin TSOT-23 package, making it suitable for space-constrained applications. It is available in tape and reel format, with the suffix "TR" indicating this packaging option for ease of assembly in high-volume production environments.

Summary

The AP3602BKTR-E1 from Diodes Incorporated is a reliable and energy-efficient solution for driving white LEDs. Its adjustable output voltage, constant current control, and comprehensive protection features, all packaged in a small form factor, make it a highly suitable choice for a wide range of portable electronic applications.