The LTC4090EDJC#PBF is a highly integrated portable power management solution from Linear Technology, designed to cater to the demanding needs of modern portable electronic devices. This advanced product offers a seamless integration of a USB-compatible linear charger, a high efficiency synchronous step-down DC/DC converter, and multiple power management functionalities, making it an ideal choice for portable applications.

Key Features

• USB-Compatible Charger: The LTC4090EDJC#PBF is equipped with a full-featured battery charger that supports programmable charge current up to 1.5A from a USB input, ensuring rapid and efficient charging of your device's battery.
• Synchronous Step-Down Converter: A high efficiency, 2.25MHz synchronous buck converter is integrated into the device, providing a constant and stable voltage supply to power-sensitive components.
• PowerPath Control: With PowerPath control, the LTC4090EDJC#PBF can seamlessly manage power distribution between input power, battery charging, and load supply, ensuring uninterrupted operation even during input power fluctuations or when switching between power sources.
• Instant-On Operation: The device is designed to power the system load from the battery even when the battery voltage is below the programmed recharge threshold, ensuring that your device is always ready to use.
• Thermal Regulation: To safeguard the device and battery from overheating, the LTC4090EDJC#PBF features thermal regulation that reduces charge current during high temperature conditions.
• Multiple Safety Features: The product includes overvoltage protection, overcurrent protection, and a battery temperature sensing input for a safe and reliable operation.

Applications

The LTC4090EDJC#PBF is versatile and can be used in a variety of portable devices such as:

• Smartphones and Tablets
• Portable Media Players
• Handheld Instruments
• Medical and Healthcare Devices
• Portable Industrial Equipment

Product Specifications

The LTC4090EDJC#PBF comes in a compact, 22-lead DFN package with a temperature range of -40°C to +85°C, making it suitable for various environments. The product is also RoHS compliant, adhering to the latest environmental standards and regulations.

With its integrated features and robust design, the LTC4090EDJC#PBF from Linear Technology stands out as a comprehensive power management solution for next-generation portable devices.