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.
