The AP1661P-E1 is a high-performance, single-channel, step-up (boost) converter integrated circuit (IC) designed and manufactured by Diodes Incorporated. This versatile component is engineered to provide a compact and efficient solution for driving LED strings in backlighting applications and portable devices.

Key Features

• Wide Input Voltage Range: The AP1661P-E1 operates on an input voltage range from 2.7V to 18V, making it suitable for a variety of power sources, including single-cell lithium-ion batteries and multi-cell battery configurations.
• High Efficiency: With an integrated 40V, 0.2Ω internal switch, the device ensures high efficiency, which is crucial for battery-powered applications where power conservation is key.
• Adjustable Output Voltage: The output voltage can be adjusted up to 36V, providing flexibility for driving different LED configurations and ensuring consistent lighting performance.
• PWM Dimming Capability: The AP1661P-E1 supports pulse-width modulation (PWM) dimming, which allows precise control over the brightness of the LEDs, enhancing the user experience and conserving energy.
• Thermal Protection: The built-in thermal shutdown function protects the IC from overheating, thereby ensuring reliable operation and longevity of the product.
• Compact Package: Housed in a space-saving SO-8EP package, the AP1661P-E1 is ideal for applications where board space is at a premium.

Applications

The AP1661P-E1 is designed for a broad range of applications, particularly where efficient power management and compact design are required. These include LED backlights for LCD TVs, monitors, automotive lighting, general illumination, and portable devices that demand consistent and efficient light sources.

Quality and Reliability

Diodes Incorporated is committed to providing high-quality products, and the AP1661P-E1 is no exception. It is manufactured to meet stringent quality standards, ensuring reliable performance and durability in various environmental conditions.